• I/O Crest 4 Port Sata Iii Pci E 2.0 X2 Hyper Duo Raid Hard Drive Controller Card Marvell 9230 Chipset
  • I/O Crest 4 Port Sata Iii Pci E 2.0 X2 Hyper Duo Raid Hard Drive Controller Card Marvell 9230 Chipset
  • I/O Crest 4 Port Sata Iii Pci E 2.0 X2 Hyper Duo Raid Hard Drive Controller Card Marvell 9230 Chipset
  • I/O Crest 4 Port Sata Iii Pci E 2.0 X2 Hyper Duo Raid Hard Drive Controller Card Marvell 9230 Chipset
  • I/O Crest 4 Port Sata Iii Pci E 2.0 X2 Hyper Duo Raid Hard Drive Controller Card Marvell 9230 Chipset
  • I/O Crest 4 Port Sata Iii Pci E 2.0 X2 Hyper Duo Raid Hard Drive Controller Card Marvell 9230 Chipset
  • I/O Crest 4 Port Sata Iii Pci E 2.0 X2 Hyper Duo Raid Hard Drive Controller Card Marvell 9230 Chipset
I/O Crest 4 Port Sata Iii Pci E 2.0 X2 Hyper Duo Raid Hard Drive Controller Card Marvell 9230 Chipset
I/O Crest 4 Port Sata Iii Pci E 2.0 X2 Hyper Duo Raid Hard Drive Controller Card Marvell 9230 Chipset
I/O Crest 4 Port Sata Iii Pci E 2.0 X2 Hyper Duo Raid Hard Drive Controller Card Marvell 9230 Chipset
I/O Crest 4 Port Sata Iii Pci E 2.0 X2 Hyper Duo Raid Hard Drive Controller Card Marvell 9230 Chipset
I/O Crest 4 Port Sata Iii Pci E 2.0 X2 Hyper Duo Raid Hard Drive Controller Card Marvell 9230 Chipset
I/O Crest 4 Port Sata Iii Pci E 2.0 X2 Hyper Duo Raid Hard Drive Controller Card Marvell 9230 Chipset
I/O Crest 4 Port Sata Iii Pci E 2.0 X2 Hyper Duo Raid Hard Drive Controller Card Marvell 9230 Chipset

I/O Crest 4 Port Sata Iii Pci E 2.0 X2 Hyper Duo Raid Hard Drive Controller Card Marvell 9230 Chipset

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  • We recommend a fresh Windows install with this card
  • Drivers are required for this card to function.
  • Chipset: Marvell 88SE9230
  • Installed with a full profile bracket, Low profile included with the package
  • Port Multiplier FIS-based and Command-based switching supported
  • Supports SATA Rev 3.0 transfer speeds up to 6.0Gbps and backwards compatible with SATA I/II at 1.5/3.0Gbps
  • Supports RAID 0 and 1 modes, Requires at least a PCIe x4 slot to function
  • 4 Internal SATA 6Gb/s Ports
  • Compatible with SATA 6G, 3G and 1.5G Hard Drives
  • PCI-Express x2 Interface is Compatible with PCI-Express x2, x4, x8, and x16 slots
  • RAID mode Supported: RAID 0/1/1+0
  • HyperDuo is configured with at least 1 hard disk drive (HDD) and up to 3 solid state drives (SSD). By embedding automated tiring technology into the chipset.
  • Does not support Hardware RAID using Port Multiplier
  • Support 3TB and 4TB GPT Hard drives
  • Chipset: Marvell 88SE9230

Customer Reviews

Works great in Linux I'm using 3 of these in a Gentoo NAS server I built, using an Asus 990fx chipset in AHCI mode, and they all work flawlessly. I don't use their built in software raid, I prefer mdraid management. I have all 3TB WD Red drives in it, and it should work with 4TB just the same. On the 8 drive raid10 array across two of these cards - I can reach speeds of over 600mb/s on sync, 300mb/s write, and 500mb/s read. These are taken on an ext4 partiton that is 85% full and has been used heavily (read/write/deletes) for 6+ months and is about 4% non-contigous.Overall I'm pretty happy with this SATA card. I have 2x 8 drive arrays in this server and I trust these with it's valuable information. So far there has been 100% uptime without the slightest hiccup or problem. For the price I don't think they can be beat. I had a couple HighPoint PCI cards, and after one of them died after only a couple years of use I just don't trust them anymore. 5Works, but still hangs for 20 sec. even with 2 SATA drives plugged in... Like many others, I needed to add more drives than I had SATA ports on my motherboard. So, I bought the 8 port version figuring that I'd run out of room in my case before I run out of SATA ports. Not a bad position to be in considering that programs (especially games) are taking more hard drive real estate all the time.I read about the card hanging in bootup if you didn't have any drives connected. I connected a 1TB SSD and a 10TB regular HD to it prior to powering up. It still hangs for about 20 seconds which really negates investing in an M.2 as my OS bootup device.The "manual" is short, but hardly sweet. The portion explaining the jumpers for SATA and ESATA were easy to understand, but not the recommendation if the card hangs with drives connected. It says to give PCI boot priority if it hangs. I can only assume that it's referring to the MB bios, but I don't see anything in my X299 Prime ASUS Deluxe bios or it's manual.If and when I can resolve the hanging on bootup I'd rate this device with 5 stars as the speed is nearly as good as the MB's SATA. 3Performed better than my excepectation. FIRST. If you have an open PCIe 16x slot, use it, unless you have a 4x. Performed better than my expectations, which were that it would work 80-90% vs connected to main drive controller.By Itself I notice no loss in speed, but in many situation it is faster.for example I have hooked into my second PCIe16x slot, which because of GPU, is set to 4x by the MoBo hardware.I have two Raid 0's, one HDD and the other SSD.And I have those both partitioned into two partitions.Transfer between partitions is much faster than normal, as if it does not need to send data through main controller.Normally your speed is cut in half, reading and writing to the same drive.Also transfers between the 2 RAID0 stripes is also faster, not in total speed, but in a much higher average.I may record some tests, but it is not uncommon to move files from SSD stripe to HDD stripe and average 230-300 or more.Depends on file sizes mostly, even small files. Example one game was about 33GB and had 36k files so 1 MB average.Still stayed above 60 MB most of the time, and usually average stays in high 70's, but Large single files can sustain over 200MB/sec. when my HDDs alone normally max out at 144, best case. So I am getting about 175-180%.[I am only going by windows 7, which the speed Displayed is overall avg]This controller seems must faster on the average, max speed is about the same.BTW I am using a PCIe 16x slot, working at 4x because of GPU.And My MoBo is nothing fancy, and not new [AsRock 970 Extreme 3 R 2.0 socket AM3+]Oh yeah and like it says It can connect to a full PCIe 16x, in fact any PCIe will work inn a 16x slot.But my board lowers the second 16x slot to 4x, which is what you need to get the full benefits of this card.So Remember as long as you have a free full PCIe16x you can connect to it.I forget who recommended this card, but i thanked them.And there is a reason there are so many other cards that are very cheap, well they are for a reason.I originally intended to use only 2 of my drives, as I was running out of connections.Now i know why people were talking about SSD and SSD stripe speeds.I Imagine it would possibly be a bit faster, and much faster on average with a better Mobo 5Case of disappearing drives I purchased this 8 port controller to replace the second HP P411 controller. Why I did is another story. After connecting (8) 4TB Seagate hard drives and powering up the server expecting to see 8 happy new 4TB drives available what I saw confirmed what other's who report single star ratings for this product. Only (3) of the new 4TB drives showed up. What was really frustrating is that I needed the space NOW. So I prepped the four and configured them as RAID 5 in my storage pool then thin parity so I could scale as my needs grew.Within 12 hours, after I had begun moving data to the partition it became degraded and off line. It's waiting for the missing drive to come back on line.At this point I'm pulling the 8 Port controller and will replace it with (2) 4 Port controllers as another reviewer suggested.If you buy one of these 8 Port controllers and experience problems later, remember the single star reviews and hope you have a backup. Thankfully I control my own backups and will go to Plan B. Extend the Labor Day vacation to 10 days while I locate replacement 4 Port controllers and move data around until all of my data is settled in the correct configuration.Then this 8 Port useless piece of tin, fiberglass and silicone will be returned with a note recommending they stop selling this model.Take the 1 star reviewers' advice and get something different unless you're ready to gamble with your data. 1Satisfied customer with a quality product Edit (3/8/2013): The description for this product states that it doesn't support SSD drives, but my Crucial M4 64GB and now my Kingston Hyperx 3k 250GB SSD drives both work wonderfully on it.Let me give a little background. I originally bought a Crucial M4 64GB SSD drive so I could give my new gaming rig the extra push that I always wanted. After installing the SSD to my 1 year old ASUS motherboard, I noticed that my speeds weren't quite what I was fully expecting, even after tweaking and Q&A'ing the support forums. It was narrowed down to my motherboard which contains a simple AMD 880G chipset with SATAII connections. While this is perfectly fine with ordinary hard drive, it becomes a bottleneck for SSD's.That scenario led me to this product. I sought for a way to gain SATAIII connections without replacing my current motherboard. This product does just that. I made sure I had an empty PCIe x1 card slot open and checked the specs and reviews. Shipping and packaging was good as always. Installation was easy and I downloaded the latest AHCI drivers from the manufacturers website ([...]). Installing an ordinary hard drive to this is not going to give any performance increase, but it is definitely worth the investment here. I can recommend this for anyone with SSD's with a slow chipset (mainly AMD's). As evidence below, I recorded a 35% increase in performance via total score. Easily worth a $20 investment.For those interested, this PCIe performs on par with the Marvell controller.Results of AS-SSD benchmark testing:Using SATAII 880G chipset slot:Seq:Read 255 MB/sWrite 109 MB/s4K:Read 19 MB/sWrite 42 MB/s4K-64Thrd:Read 150 MB/sWrite 89 MB/sAcc time:Read .132 msWrite .259 msScore:Read 196Write 143Total score: 438Using Syba SATAIII slot:Seq:Read 366 MB/sWrite 110 MB/s4KRead 23 MB/sWrite 72 MB/s4K-64ThrdRead 216 MB/sWrite 97 MB/sAcc TimeRead .102 msWrite .257ScoreRead 276Write 181Total594 5Running smooth with FreeNas Very happy with the card so far in my FreeNas setup. Getting a mobo with large amounts of sata 3 ports can be tough with out dropping a lot of cash and this has saved me from going out and getting one. Easy to install and hookup your drives since the ports are on the side. Added bonus it has green LEDs on the actual card that flash during activity (if you have a view into your case). Thanks IO Crest. 5Excellant product after sorting the Amazon reviews Once I got past all of the negative reviews I found this to be a great addition to my older system. The problem wasn't that this card received a lot of bad reviews, it was that Amazon lumped all the reviews together for various Marvell based cards. After sorting through all of the various reviews and selecting only those that actually applied to te 88SE9230 specific card I found it mostly had 4 or more stars. After checking to be sure I had an available PCIe 2.0 x2 slot (Had an x8 slot) I ordered this board. Under Windows 10 I just had to plug in the board, run the Sata cables, disable the motherboard Sata controller, and power up in the safe mode. Safe mode power up was needed so Windows 10 could install the AHCI drivers. Wish I could give Amazon one star for the way they lump together the reviews. 5This card makes `lspci` crash my system This IO Crest 2-port SATA III PCI-E 1x card with ASmedia ASM1601 controller is the least Linux-compatible device I have ever used. I tried it on Ubuntu 17.10 on Xen, in an Asus Prime X370 Pro motherboard, with a Toshiba SSD hooked up to it. The board is a UEFI board, and CSM was enabled. The system would boot up fine, and I would see the extra boot screen from the card's option ROM, where it detected my attached drive without issue. The card was actually detected fine by Linux, and tried talking to the drive. Unfortunately, that's as far as I got with it. The card had IO errors trying to talk to the attached disk, so Linux gave up and disconnected the disk from the system. On my motherboard's built-in SATA controller, the disk works just fine. Also, when this device was installed, I was getting errors in dmesg from my video driver (nouveau); I'm not sure how to explain that, and video still worked fine.All that could have been ignored, though, though. The device doesn't actually claim to support Linux, and I wanted to use the device for PCI passthrough to a Windows guest, so Linux doesn't actually have to work with it correctly. But the real problem I have with this card is: it makes the `lspci` command, which lists installed PCI-E cards, crash the system! Running lspci, which normally takes a few tenths of a second, would take a second or more (and lock up the whole machine for that time) with the card installed, and one time out of the three I ran it it managed to crash the system entirely. A bit of research suggests that this can occur when a PCI device reports malformed configuration information. This problem is probably not going to go away if I pass the card through to a Windows VM, even if the VM would be able to make the card actually talk to drives.Needless to say, I can't keep a piece of hardware that lets an unprivileged user bring down the entire machine with a single command. I'll have to trade up for a more robust card with a more useful interpretation of the PCI-E spec. 1Only recognizes PCI Express Gen 1 Most of us using this card are probably getting it for the SATA III capabilities, which max out at what, around 600MB/s? Of course, in order to use that, you need PCI Express Gen 2, which has max throughput of 500MB/s. If you don't have that latter item, this card is rather a waste, isn't it?This card has no configurable BIOS options (no "press Ctrl+F for options" after your system finishes posting) but on three separate systems I tried it with, it said "Using PCI-E Gen 1" on each one. I know that all the systems had PCI Express Gen 2, but yet between that warning and my benchmark speeds using a Crucial M4 128GB SSD, I had terrible results. My ASRock motherboard's built in SATA II controller was pushing 207MB/s, but with this card, I was only hitting ~170MB/s.Syba's support wasn't helpful - they gave me one email saying "try it in another slot!" and that was about it. I guess I got what I paid for, but Syba (or ASMedia? The box and BIOS don't mention Syba whatsoever) Thanks for accepting my return so promptly, Amazon! 2SY-PEX40039, Asmedia 1061 SATA3 PCI 2.0 x1 SY-PEX40039, Asmedia 1061 SATA III PCI 2.0 x 1 cardFor just $16, I could hardly give this card less than 5 stars. But the drivers on the enclosed mini-CD do not work for AMD motherboards. Instead, download the 1.1 driver, updated on 7/1/2015, from www dot sybausa dot com/index.php?route=product/product&path=64_77_85&product_id=151&filter=83,38,19,72,18(Re Amazon guidelines: PLEASE allow this link. The manufacturer does not volunteer this driver, and your purchasers with AMD motherboards are unlikely to ever find where it is hidden, without this link.)Any PCIe x 1 card is architecturally limited to a maximum of 4 Gbps or 500 MB/s, no matter how fast the onboard chipset processes data internally. Although the SATA III specification allows for 6 Gbps or 750 MB/s, that is not attainable unless both the SATA III card and the slot are at least PCIe 2.0, and both have greater width than x 1.Each byte (8 bits) transferred has 2 bits of communications overhead (8b 10b); 10 bits transferred provides 8 bits of information. Therefore, 500 MB/s each way is actually 400 MB/s of data, along with 100 MB/s of overhead.I have an aging Mushkin Chronos SSD, 550/520 MB/s r/w, and an SY-PEX40039 PCIe x 1 card in a PCIe 2.0 x 1 slot. Atto reports 402 MB/s read and 342 MB/s write for file sizes 1 MB, as opposed to 275/250 MB/s r/w with the onboard SATA II. I'm good with that. 4
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Reviews

Customer Reviews

Works great in Linux I'm using 3 of these in a Gentoo NAS server I built, using an Asus 990fx chipset in AHCI mode, and they all work flawlessly. I don't use their built in software raid, I prefer mdraid management. I have all 3TB WD Red drives in it, and it should work with 4TB just the same. On the 8 drive raid10 array across two of these cards - I can reach speeds of over 600mb/s on sync, 300mb/s write, and 500mb/s read. These are taken on an ext4 partiton that is 85% full and has been used heavily (read/write/deletes) for 6+ months and is about 4% non-contigous.Overall I'm pretty happy with this SATA card. I have 2x 8 drive arrays in this server and I trust these with it's valuable information. So far there has been 100% uptime without the slightest hiccup or problem. For the price I don't think they can be beat. I had a couple HighPoint PCI cards, and after one of them died after only a couple years of use I just don't trust them anymore. 5Works, but still hangs for 20 sec. even with 2 SATA drives plugged in... Like many others, I needed to add more drives than I had SATA ports on my motherboard. So, I bought the 8 port version figuring that I'd run out of room in my case before I run out of SATA ports. Not a bad position to be in considering that programs (especially games) are taking more hard drive real estate all the time.I read about the card hanging in bootup if you didn't have any drives connected. I connected a 1TB SSD and a 10TB regular HD to it prior to powering up. It still hangs for about 20 seconds which really negates investing in an M.2 as my OS bootup device.The "manual" is short, but hardly sweet. The portion explaining the jumpers for SATA and ESATA were easy to understand, but not the recommendation if the card hangs with drives connected. It says to give PCI boot priority if it hangs. I can only assume that it's referring to the MB bios, but I don't see anything in my X299 Prime ASUS Deluxe bios or it's manual.If and when I can resolve the hanging on bootup I'd rate this device with 5 stars as the speed is nearly as good as the MB's SATA. 3Performed better than my excepectation. FIRST. If you have an open PCIe 16x slot, use it, unless you have a 4x. Performed better than my expectations, which were that it would work 80-90% vs connected to main drive controller.By Itself I notice no loss in speed, but in many situation it is faster.for example I have hooked into my second PCIe16x slot, which because of GPU, is set to 4x by the MoBo hardware.I have two Raid 0's, one HDD and the other SSD.And I have those both partitioned into two partitions.Transfer between partitions is much faster than normal, as if it does not need to send data through main controller.Normally your speed is cut in half, reading and writing to the same drive.Also transfers between the 2 RAID0 stripes is also faster, not in total speed, but in a much higher average.I may record some tests, but it is not uncommon to move files from SSD stripe to HDD stripe and average 230-300 or more.Depends on file sizes mostly, even small files. Example one game was about 33GB and had 36k files so 1 MB average.Still stayed above 60 MB most of the time, and usually average stays in high 70's, but Large single files can sustain over 200MB/sec. when my HDDs alone normally max out at 144, best case. So I am getting about 175-180%.[I am only going by windows 7, which the speed Displayed is overall avg]This controller seems must faster on the average, max speed is about the same.BTW I am using a PCIe 16x slot, working at 4x because of GPU.And My MoBo is nothing fancy, and not new [AsRock 970 Extreme 3 R 2.0 socket AM3+]Oh yeah and like it says It can connect to a full PCIe 16x, in fact any PCIe will work inn a 16x slot.But my board lowers the second 16x slot to 4x, which is what you need to get the full benefits of this card.So Remember as long as you have a free full PCIe16x you can connect to it.I forget who recommended this card, but i thanked them.And there is a reason there are so many other cards that are very cheap, well they are for a reason.I originally intended to use only 2 of my drives, as I was running out of connections.Now i know why people were talking about SSD and SSD stripe speeds.I Imagine it would possibly be a bit faster, and much faster on average with a better Mobo 5Case of disappearing drives I purchased this 8 port controller to replace the second HP P411 controller. Why I did is another story. After connecting (8) 4TB Seagate hard drives and powering up the server expecting to see 8 happy new 4TB drives available what I saw confirmed what other's who report single star ratings for this product. Only (3) of the new 4TB drives showed up. What was really frustrating is that I needed the space NOW. So I prepped the four and configured them as RAID 5 in my storage pool then thin parity so I could scale as my needs grew.Within 12 hours, after I had begun moving data to the partition it became degraded and off line. It's waiting for the missing drive to come back on line.At this point I'm pulling the 8 Port controller and will replace it with (2) 4 Port controllers as another reviewer suggested.If you buy one of these 8 Port controllers and experience problems later, remember the single star reviews and hope you have a backup. Thankfully I control my own backups and will go to Plan B. Extend the Labor Day vacation to 10 days while I locate replacement 4 Port controllers and move data around until all of my data is settled in the correct configuration.Then this 8 Port useless piece of tin, fiberglass and silicone will be returned with a note recommending they stop selling this model.Take the 1 star reviewers' advice and get something different unless you're ready to gamble with your data. 1Satisfied customer with a quality product Edit (3/8/2013): The description for this product states that it doesn't support SSD drives, but my Crucial M4 64GB and now my Kingston Hyperx 3k 250GB SSD drives both work wonderfully on it.Let me give a little background. I originally bought a Crucial M4 64GB SSD drive so I could give my new gaming rig the extra push that I always wanted. After installing the SSD to my 1 year old ASUS motherboard, I noticed that my speeds weren't quite what I was fully expecting, even after tweaking and Q&A'ing the support forums. It was narrowed down to my motherboard which contains a simple AMD 880G chipset with SATAII connections. While this is perfectly fine with ordinary hard drive, it becomes a bottleneck for SSD's.That scenario led me to this product. I sought for a way to gain SATAIII connections without replacing my current motherboard. This product does just that. I made sure I had an empty PCIe x1 card slot open and checked the specs and reviews. Shipping and packaging was good as always. Installation was easy and I downloaded the latest AHCI drivers from the manufacturers website ([...]). Installing an ordinary hard drive to this is not going to give any performance increase, but it is definitely worth the investment here. I can recommend this for anyone with SSD's with a slow chipset (mainly AMD's). As evidence below, I recorded a 35% increase in performance via total score. Easily worth a $20 investment.For those interested, this PCIe performs on par with the Marvell controller.Results of AS-SSD benchmark testing:Using SATAII 880G chipset slot:Seq:Read 255 MB/sWrite 109 MB/s4K:Read 19 MB/sWrite 42 MB/s4K-64Thrd:Read 150 MB/sWrite 89 MB/sAcc time:Read .132 msWrite .259 msScore:Read 196Write 143Total score: 438Using Syba SATAIII slot:Seq:Read 366 MB/sWrite 110 MB/s4KRead 23 MB/sWrite 72 MB/s4K-64ThrdRead 216 MB/sWrite 97 MB/sAcc TimeRead .102 msWrite .257ScoreRead 276Write 181Total594 5Running smooth with FreeNas Very happy with the card so far in my FreeNas setup. Getting a mobo with large amounts of sata 3 ports can be tough with out dropping a lot of cash and this has saved me from going out and getting one. Easy to install and hookup your drives since the ports are on the side. Added bonus it has green LEDs on the actual card that flash during activity (if you have a view into your case). Thanks IO Crest. 5Excellant product after sorting the Amazon reviews Once I got past all of the negative reviews I found this to be a great addition to my older system. The problem wasn't that this card received a lot of bad reviews, it was that Amazon lumped all the reviews together for various Marvell based cards. After sorting through all of the various reviews and selecting only those that actually applied to te 88SE9230 specific card I found it mostly had 4 or more stars. After checking to be sure I had an available PCIe 2.0 x2 slot (Had an x8 slot) I ordered this board. Under Windows 10 I just had to plug in the board, run the Sata cables, disable the motherboard Sata controller, and power up in the safe mode. Safe mode power up was needed so Windows 10 could install the AHCI drivers. Wish I could give Amazon one star for the way they lump together the reviews. 5This card makes `lspci` crash my system This IO Crest 2-port SATA III PCI-E 1x card with ASmedia ASM1601 controller is the least Linux-compatible device I have ever used. I tried it on Ubuntu 17.10 on Xen, in an Asus Prime X370 Pro motherboard, with a Toshiba SSD hooked up to it. The board is a UEFI board, and CSM was enabled. The system would boot up fine, and I would see the extra boot screen from the card's option ROM, where it detected my attached drive without issue. The card was actually detected fine by Linux, and tried talking to the drive. Unfortunately, that's as far as I got with it. The card had IO errors trying to talk to the attached disk, so Linux gave up and disconnected the disk from the system. On my motherboard's built-in SATA controller, the disk works just fine. Also, when this device was installed, I was getting errors in dmesg from my video driver (nouveau); I'm not sure how to explain that, and video still worked fine.All that could have been ignored, though, though. The device doesn't actually claim to support Linux, and I wanted to use the device for PCI passthrough to a Windows guest, so Linux doesn't actually have to work with it correctly. But the real problem I have with this card is: it makes the `lspci` command, which lists installed PCI-E cards, crash the system! Running lspci, which normally takes a few tenths of a second, would take a second or more (and lock up the whole machine for that time) with the card installed, and one time out of the three I ran it it managed to crash the system entirely. A bit of research suggests that this can occur when a PCI device reports malformed configuration information. This problem is probably not going to go away if I pass the card through to a Windows VM, even if the VM would be able to make the card actually talk to drives.Needless to say, I can't keep a piece of hardware that lets an unprivileged user bring down the entire machine with a single command. I'll have to trade up for a more robust card with a more useful interpretation of the PCI-E spec. 1Only recognizes PCI Express Gen 1 Most of us using this card are probably getting it for the SATA III capabilities, which max out at what, around 600MB/s? Of course, in order to use that, you need PCI Express Gen 2, which has max throughput of 500MB/s. If you don't have that latter item, this card is rather a waste, isn't it?This card has no configurable BIOS options (no "press Ctrl+F for options" after your system finishes posting) but on three separate systems I tried it with, it said "Using PCI-E Gen 1" on each one. I know that all the systems had PCI Express Gen 2, but yet between that warning and my benchmark speeds using a Crucial M4 128GB SSD, I had terrible results. My ASRock motherboard's built in SATA II controller was pushing 207MB/s, but with this card, I was only hitting ~170MB/s.Syba's support wasn't helpful - they gave me one email saying "try it in another slot!" and that was about it. I guess I got what I paid for, but Syba (or ASMedia? The box and BIOS don't mention Syba whatsoever) Thanks for accepting my return so promptly, Amazon! 2SY-PEX40039, Asmedia 1061 SATA3 PCI 2.0 x1 SY-PEX40039, Asmedia 1061 SATA III PCI 2.0 x 1 cardFor just $16, I could hardly give this card less than 5 stars. But the drivers on the enclosed mini-CD do not work for AMD motherboards. Instead, download the 1.1 driver, updated on 7/1/2015, from www dot sybausa dot com/index.php?route=product/product&path=64_77_85&product_id=151&filter=83,38,19,72,18(Re Amazon guidelines: PLEASE allow this link. The manufacturer does not volunteer this driver, and your purchasers with AMD motherboards are unlikely to ever find where it is hidden, without this link.)Any PCIe x 1 card is architecturally limited to a maximum of 4 Gbps or 500 MB/s, no matter how fast the onboard chipset processes data internally. Although the SATA III specification allows for 6 Gbps or 750 MB/s, that is not attainable unless both the SATA III card and the slot are at least PCIe 2.0, and both have greater width than x 1.Each byte (8 bits) transferred has 2 bits of communications overhead (8b 10b); 10 bits transferred provides 8 bits of information. Therefore, 500 MB/s each way is actually 400 MB/s of data, along with 100 MB/s of overhead.I have an aging Mushkin Chronos SSD, 550/520 MB/s r/w, and an SY-PEX40039 PCIe x 1 card in a PCIe 2.0 x 1 slot. Atto reports 402 MB/s read and 342 MB/s write for file sizes 1 MB, as opposed to 275/250 MB/s r/w with the onboard SATA II. I'm good with that. 4
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