Name: Transcend 16 Gb Jet Flash 790 Usb 3.1 Flash Drive (Ts16 Gjf790 K)
Brand: Transcend
SKU: HAJKATV5G
Price: 34.8 EUR
Availability: InStock

Transcend 16 Gb Jet Flash 790 Usb 3.1 Flash Drive (Ts16 Gjf790 K)

Transcend 16 Gb Jet Flash 790 Usb 3.1 Flash Drive (Ts16 Gjf790 K)

Sale price: MRP: €34,80
Regular price: ~~€58,00~~
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Reviews

USB 3.1 Gen 1 interface
Capless design with slide-out USB connector
Lightweight and compact
Lanyard / keyring loop
Transcend Elite data management software

Customer Reviews

Many good units so far, 1 bad one with non-functioning activity light - EASILY BENT - BE CAREFUL - Very Linux Compatible Generally this drive would be great, but in this case the quality control is bad. The activity light is non-functional. I have other identical JetFlash 790 drives and the activity light is functional. It's probably rare. One thing to note is these drives are 3-bits per cell MLC flash memory (a.k.a. TLC ). Most in this price-range are TLC; the more bits per cell the less longevity the drive has. Again, if it wasn't for this latest arrival with a non-functioning activity light, I'd rate this drive 4.5 stars. The other issue that I'd suggest addressing is how easy it is to bend the drive. You must be careful when inserting or it will bend the metal connector inside the casing (possibly a solder joint, or where the usb metal connector is connected to the small circuit board inside). It can probably be bent back a number of times before snapping. Just be careful. The drive is fast, and a great alternative to Sandisk drives. I will buy again in the future. Works very fast in Linux whereas I've had trouble with another brand (Corsair) getting good USB 3.0 speeds. Virtually no matter what I do with Corsair drives, the drive write speed is horrible in Linux. This Transcend drive has a more compatible controller I think and is achieving the speeds mentioned on the package. 4Nice Drive with one teeny-tiny caveat- Price was right, and too the security provided by the slide-out feature. So why not 5-stars? Well there is one, only one annoying feature. When I'm inserting this drive into a usb port, whether at home or in one of the newer pay-as-you-print Copy machines, I have to remember to slide-&-hold the blue slider or else the usb port will resist the connection pushing the blue slider back into the drive, and so, the Flash Drive doesn't connect. So I have to repeat, which can be a nuisance if the usb port is in the back of a computer as on my iMac. Not a big deal, and I am remembering to hold it so I can make the connection but still, next time around I'll be looking for a Drive where the slider doesn't have to be held out. Of course that then brings up the question: are flash drives made like that? I can't answer that as my other drive is a Lexar with a swivel cover for the connector.OK, so final words: it works well, seems to have enuf storage for my occasional needs, always carry it around in one of my bags, and too, amazon Prime continues to delight:-) Recommended. 4I'm loving listening to all my music. I just got a car with a USB drive reader and went into Windows Media and transferred all my favorite music to this stick. I still have a bunch of music in my iTunes, which I can't wait to get transferred over to this. The transfer is so fast that sometimes I didn't believe it had actually happened. I am able to select music by artist, album, playlist or shuffle. I am enjoying this so much. I just got home from a week that put almost 1000 miles on my car, and about half the time I was listening to my tunes, a lot of which I'd never even heard. I can't believe how much room I have to spare on the stick. 5Not exactly the product I was hoping for. It works, but just okay. I'm a computer engineer and USB drives are like screwdrivers are to auto mechanics. I was looking for fast USB 3.0 16-32GB drive with activity LEDs and no caps (caps get lost so easy) I thought the Transcend JetFlash 790 would be my go to drive. I ordered two drives(Black 32GB) and once they arrived I started testing them. Some major disappoints popped up immediately #1 There is no activity LED, as stated in the description, on either drive. #2 I'm getting very inconsistent read/write results between the two drives on CrystalDiskMark. At first I thought this was just an anomaly, but after running the test multiple times on multiple machines, the results were consistent and followed the drives. So the short answer here is that these drives will work, but your mileage may very. Quality control could be better.For not having an activity LED and for the wildly inconsistent read/write results I can only give these drives 3 stars.hope this helps. 3Fast but not Soooo fast Pretty fast, but a good example of why benchmarking software isn't much of a guide. Here's what Crystal Disk Mark has to say (and the photo shows a transfer of two video files on Windows 10, with an SSD source and this drive plugged into a fast USB 3.0 port that lives up to the 3.0 standard):Sequential Read (Q= 32,T= 1) : 102.911 MB/sSequential Write (Q= 32,T= 1) : 97.646 MB/sRandom Read 4KiB (Q= 32,T= 1) : 6.301 MB/s [ 1538.3 IOPS]Random Write 4KiB (Q= 32,T= 1) : 0.262 MB/s [ 64.0 IOPS]Sequential Read (T= 1) : 105.711 MB/sSequential Write (T= 1) : 87.028 MB/sRandom Read 4KiB (Q= 1,T= 1) : 5.113 MB/s [ 1248.3 IOPS]Random Write 4KiB (Q= 1,T= 1) : 0.231 MB/s [ 56.4 IOPS]Please see the photo of an actual transfer- it slows to about 23MB/sec after 150MB are transferred. 4sustained write speed abysmal While doing an rsync with -v --progress, you will notice something. At first, these pretty much say, "gimme, gimmie, gimme!" Oh, heck...it'll peak at over 100 megabytes per second, definitely USB 3 speeds. Then after a couple hundred megabytes, the transfer rate starts dropping. Then it will level off at a few megabytes per second. My testing indicates the best speed you will get is in the high twenties of megabytes per second, or pretty much USB 2 speeds. This doesn't seem to be a limitation of my system, because even "spinning rust" drives can sustain a minimum of 60 MB/s, and more usually around 80.So these have an adequate amount of capacity for the price, can read reasonably fast (over 100 MB/s), and can write fast in short bursts. But don't count on it for sustained high def video capture for example. It's much more suited for something like overnight backups.The case design is fairly good, no USB port cap, but instead a sliding design. But like a lot of others, it's too easy to press on the retraction slider while inserting it into a USB port, so you just have to be careful how you grip it. Otherwise, the "keep it open" latch is adequate when the slider is not pressed.I would be willing to pay a little extra for a very visible status LED (on while plugged in, quickly flashing when reading or writing). But that's my bad for not looking for that in the description/specs. 2Required proper partitioning with 3rd party tool UPDATE: After many days of having issues, I tried to reformat a couple of times with the same results, but then I used the SD Card Association formatting tool, and after it properly partitioned the drive, I got acceptable write speeds (60MB/s average) all over again with any kind of files (a lot of small files, big files, ...).OLD: First days everything was fine, however now I'm getting ridiculously slow write speeds of 150KB/s! Kilobytes! Read speed continue at around 60-70MB/s, but I just can't get why the write speed is so abysmally, deficiently and spectacularly slow. Practically can't write anything more, so, in practice it is now a read only drive.This is very weird, I usually like Transcend products a lot, particularly their SD cards and readers, but this situation makes me very sad. I have tried a couple of machine, different operating systems, USB 2.0 and 3.0 ports. Nothing, it just keeps at that speed. Meanwhile I can use a 64GB SD card with a Transcend reader, and get amazing read and write speeds, so this drive is the faulty link on this issue. 4Fast reads, slow writes Filling this 128 GB drive with files is extremely slow compared to external hard drives or file copies. Writing 10 GB transfers the first 600-700 MB in about 5 seconds, then the drive decides to take a little break and slow to a trickle, taking nearly 10 minutes to finish. Copying that same 10 GB back to my computer took less than a minute. I turned off indexing, reformatted, no change. Small files vs large files, no discernible difference. I'm guessing it gets too hot during extended write periods.If you intend to use this to write less than 600 MB at a time to the drive, it will work just fine. If you want to copy 50 GB from the drive, it will work do so quickly. But if you want to move more than 1GB to the drive at a time, I hope you're not in a hurry. 3Great drive with speed of about 10 MB/s on a 2.0 port. This drive does not run hot. Great price too. Great drive with speed of about 10 MB/s on a 2.0 port. This drive does not run hot. Great price too.. Right now the 32GB black costs about $13 and the white is about $10.Also bought a white one, and it's 2.0 write speed is also very good. Large files transfer at about 10MB/s. Batches of smaller files naturally get written at about 8MB/s.Light behind the blue slide is very visible, and is always on. With the white case, blue glow fills the bottom of the drive.I bought another black drive. It is different: doesn't say "USB 3.1" on the case and there is no light. Performance is the same I guess.I have many drives, so I like to buy different designs from many highly rated manufacturers so all my drives look different.Drives from this brand have never failed me.-Chris 5Solid performance so far -- would purchase again ... After doing some research, reading reviews, etc., I finally decided on this Transcend 64 GB flash drive. I just needed something I could use to periodically back up some of my non-critical folders (I take care of the critical stuff in other ways), and this was one of the more economical products I found.After two weeks of use, I'm reasonably happy with it. I'm using it with a MacBook Air 13" and a fairly high-quality USB hub (almost mandatory since you get only w USB ports on the MacBook). The outer housing seems a bit flimsy -- not sure it would hold up to much abuse -- but since I'll just be using it once a month, I think it will be OK. Transferring the files from the MacBook was smooth and quite fast. Reading from the Transcend presented no issues, either -- it seemed just as fast as reading directly from the MacBook. I didn't clock it -- as long as I'm not having to sit and wait too much, I'm fairly easy to please.Overall the design is fine -- the business end slides in and out with a locking slider -- it's small and relatively sleek, too. No issues at all.Solid 4 stars for quality vs cost. Would purchase this brand again if the need arises. 4

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Reviews

Customer Reviews

Many good units so far, 1 bad one with non-functioning activity light - EASILY BENT - BE CAREFUL - Very Linux Compatible Generally this drive would be great, but in this case the quality control is bad. The activity light is non-functional. I have other identical JetFlash 790 drives and the activity light is functional. It's probably rare. One thing to note is these drives are 3-bits per cell MLC flash memory (a.k.a. TLC ). Most in this price-range are TLC; the more bits per cell the less longevity the drive has. Again, if it wasn't for this latest arrival with a non-functioning activity light, I'd rate this drive 4.5 stars. The other issue that I'd suggest addressing is how easy it is to bend the drive. You must be careful when inserting or it will bend the metal connector inside the casing (possibly a solder joint, or where the usb metal connector is connected to the small circuit board inside). It can probably be bent back a number of times before snapping. Just be careful. The drive is fast, and a great alternative to Sandisk drives. I will buy again in the future. Works very fast in Linux whereas I've had trouble with another brand (Corsair) getting good USB 3.0 speeds. Virtually no matter what I do with Corsair drives, the drive write speed is horrible in Linux. This Transcend drive has a more compatible controller I think and is achieving the speeds mentioned on the package. 4Nice Drive with one teeny-tiny caveat- Price was right, and too the security provided by the slide-out feature. So why not 5-stars? Well there is one, only one annoying feature. When I'm inserting this drive into a usb port, whether at home or in one of the newer pay-as-you-print Copy machines, I have to remember to slide-&-hold the blue slider or else the usb port will resist the connection pushing the blue slider back into the drive, and so, the Flash Drive doesn't connect. So I have to repeat, which can be a nuisance if the usb port is in the back of a computer as on my iMac. Not a big deal, and I am remembering to hold it so I can make the connection but still, next time around I'll be looking for a Drive where the slider doesn't have to be held out. Of course that then brings up the question: are flash drives made like that? I can't answer that as my other drive is a Lexar with a swivel cover for the connector.OK, so final words: it works well, seems to have enuf storage for my occasional needs, always carry it around in one of my bags, and too, amazon Prime continues to delight:-) Recommended. 4I'm loving listening to all my music. I just got a car with a USB drive reader and went into Windows Media and transferred all my favorite music to this stick. I still have a bunch of music in my iTunes, which I can't wait to get transferred over to this. The transfer is so fast that sometimes I didn't believe it had actually happened. I am able to select music by artist, album, playlist or shuffle. I am enjoying this so much. I just got home from a week that put almost 1000 miles on my car, and about half the time I was listening to my tunes, a lot of which I'd never even heard. I can't believe how much room I have to spare on the stick. 5Not exactly the product I was hoping for. It works, but just okay. I'm a computer engineer and USB drives are like screwdrivers are to auto mechanics. I was looking for fast USB 3.0 16-32GB drive with activity LEDs and no caps (caps get lost so easy) I thought the Transcend JetFlash 790 would be my go to drive. I ordered two drives(Black 32GB) and once they arrived I started testing them. Some major disappoints popped up immediately #1 There is no activity LED, as stated in the description, on either drive. #2 I'm getting very inconsistent read/write results between the two drives on CrystalDiskMark. At first I thought this was just an anomaly, but after running the test multiple times on multiple machines, the results were consistent and followed the drives. So the short answer here is that these drives will work, but your mileage may very. Quality control could be better.For not having an activity LED and for the wildly inconsistent read/write results I can only give these drives 3 stars.hope this helps. 3Fast but not Soooo fast Pretty fast, but a good example of why benchmarking software isn't much of a guide. Here's what Crystal Disk Mark has to say (and the photo shows a transfer of two video files on Windows 10, with an SSD source and this drive plugged into a fast USB 3.0 port that lives up to the 3.0 standard):Sequential Read (Q= 32,T= 1) : 102.911 MB/sSequential Write (Q= 32,T= 1) : 97.646 MB/sRandom Read 4KiB (Q= 32,T= 1) : 6.301 MB/s [ 1538.3 IOPS]Random Write 4KiB (Q= 32,T= 1) : 0.262 MB/s [ 64.0 IOPS]Sequential Read (T= 1) : 105.711 MB/sSequential Write (T= 1) : 87.028 MB/sRandom Read 4KiB (Q= 1,T= 1) : 5.113 MB/s [ 1248.3 IOPS]Random Write 4KiB (Q= 1,T= 1) : 0.231 MB/s [ 56.4 IOPS]Please see the photo of an actual transfer- it slows to about 23MB/sec after 150MB are transferred. 4sustained write speed abysmal While doing an rsync with -v --progress, you will notice something. At first, these pretty much say, "gimme, gimmie, gimme!" Oh, heck...it'll peak at over 100 megabytes per second, definitely USB 3 speeds. Then after a couple hundred megabytes, the transfer rate starts dropping. Then it will level off at a few megabytes per second. My testing indicates the best speed you will get is in the high twenties of megabytes per second, or pretty much USB 2 speeds. This doesn't seem to be a limitation of my system, because even "spinning rust" drives can sustain a minimum of 60 MB/s, and more usually around 80.So these have an adequate amount of capacity for the price, can read reasonably fast (over 100 MB/s), and can write fast in short bursts. But don't count on it for sustained high def video capture for example. It's much more suited for something like overnight backups.The case design is fairly good, no USB port cap, but instead a sliding design. But like a lot of others, it's too easy to press on the retraction slider while inserting it into a USB port, so you just have to be careful how you grip it. Otherwise, the "keep it open" latch is adequate when the slider is not pressed.I would be willing to pay a little extra for a very visible status LED (on while plugged in, quickly flashing when reading or writing). But that's my bad for not looking for that in the description/specs. 2Required proper partitioning with 3rd party tool UPDATE: After many days of having issues, I tried to reformat a couple of times with the same results, but then I used the SD Card Association formatting tool, and after it properly partitioned the drive, I got acceptable write speeds (60MB/s average) all over again with any kind of files (a lot of small files, big files, ...).OLD: First days everything was fine, however now I'm getting ridiculously slow write speeds of 150KB/s! Kilobytes! Read speed continue at around 60-70MB/s, but I just can't get why the write speed is so abysmally, deficiently and spectacularly slow. Practically can't write anything more, so, in practice it is now a read only drive.This is very weird, I usually like Transcend products a lot, particularly their SD cards and readers, but this situation makes me very sad. I have tried a couple of machine, different operating systems, USB 2.0 and 3.0 ports. Nothing, it just keeps at that speed. Meanwhile I can use a 64GB SD card with a Transcend reader, and get amazing read and write speeds, so this drive is the faulty link on this issue. 4Fast reads, slow writes Filling this 128 GB drive with files is extremely slow compared to external hard drives or file copies. Writing 10 GB transfers the first 600-700 MB in about 5 seconds, then the drive decides to take a little break and slow to a trickle, taking nearly 10 minutes to finish. Copying that same 10 GB back to my computer took less than a minute. I turned off indexing, reformatted, no change. Small files vs large files, no discernible difference. I'm guessing it gets too hot during extended write periods.If you intend to use this to write less than 600 MB at a time to the drive, it will work just fine. If you want to copy 50 GB from the drive, it will work do so quickly. But if you want to move more than 1GB to the drive at a time, I hope you're not in a hurry. 3Great drive with speed of about 10 MB/s on a 2.0 port. This drive does not run hot. Great price too. Great drive with speed of about 10 MB/s on a 2.0 port. This drive does not run hot. Great price too.. Right now the 32GB black costs about $13 and the white is about $10.Also bought a white one, and it's 2.0 write speed is also very good. Large files transfer at about 10MB/s. Batches of smaller files naturally get written at about 8MB/s.Light behind the blue slide is very visible, and is always on. With the white case, blue glow fills the bottom of the drive.I bought another black drive. It is different: doesn't say "USB 3.1" on the case and there is no light. Performance is the same I guess.I have many drives, so I like to buy different designs from many highly rated manufacturers so all my drives look different.Drives from this brand have never failed me.-Chris 5Solid performance so far -- would purchase again ... After doing some research, reading reviews, etc., I finally decided on this Transcend 64 GB flash drive. I just needed something I could use to periodically back up some of my non-critical folders (I take care of the critical stuff in other ways), and this was one of the more economical products I found.After two weeks of use, I'm reasonably happy with it. I'm using it with a MacBook Air 13" and a fairly high-quality USB hub (almost mandatory since you get only w USB ports on the MacBook). The outer housing seems a bit flimsy -- not sure it would hold up to much abuse -- but since I'll just be using it once a month, I think it will be OK. Transferring the files from the MacBook was smooth and quite fast. Reading from the Transcend presented no issues, either -- it seemed just as fast as reading directly from the MacBook. I didn't clock it -- as long as I'm not having to sit and wait too much, I'm fairly easy to please.Overall the design is fine -- the business end slides in and out with a locking slider -- it's small and relatively sleek, too. No issues at all.Solid 4 stars for quality vs cost. Would purchase this brand again if the need arises. 4

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