Customer Reviews

877
4.3 out of 5 stars
Kingston Technology DataTraveler G4 USB 3.1 Gen 1/USB 3.0 Flash Drive - 32 GB
Size: 32 GBPackage Type: Standard PackagingChange
Price:£7.75+Free shipping with Amazon Prime
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150 of 159 people found the following review helpful
on 11 December 2013
Having received criticism for my previous review of this product, I ran my CrystalDiskMark tests again using larger files. For comparison, I also re-ran the exact same test for my 32GB Kingston DataTraveler Ultimate G3. So, here are my revised results.
For both drives I tested with a 4GB file, formatted it as NTFS, plugged into the same USB 3.0 slot, and disabled my Internet Security etc.

Kingston DataTraveler G4:
Read: 82.08MB
Write: 18.24MB
See the actual screenshot here- [...]

Kingston DataTraveler Ultimate G3:
Read: 189.4MB
Write: 90.12MB
See the actual screenshot here- [...]

So, while different people seem to get different results with their tests, I think this pretty clearly shows that it can only manage under half the read speed and about a fifth of the write speed of the more expensive Ultimate G3.
Aside from that, the build quality seems pretty solid to me, so I'm not unhappy with it.
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64 of 68 people found the following review helpful
on 22 March 2014
I purchased this item around 2 months ago. Read and write speeds were disappointing but then it just stopped being recognized completely. Back it went and a replacement duly arrived. After two weeks my PC only recognizes the stick intermittently and the read and write speeds are still slow. Worst flash drive I have owned to be honest.
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54 of 58 people found the following review helpful
on 6 March 2014
This is not a fast drive...in some tests it ran the same speed as a USB 2.0 drive. Thats in a high end PC (with USB 3.0 ports) and a new USB 3.0 enabled laptop - both with SSDs. Its only barely worth keeping. If its speed you want then look elsewhere.
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42 of 45 people found the following review helpful
on 20 March 2014
The plastic hook is flimsy and simply broke off within 2 weeks of use. I wasn't heavy handed with it. Now I can't attach it to anything and it is difficult to push the USB socket out.
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39 of 42 people found the following review helpful
on 17 April 2014
Not sure if I've got a faulty one but write speed averages a pitiful 11 Meg/s which is 1/3rd of the speed of my portable hard drive !
It gets surprisingly hot when transferring a lot of data too.

If it wasn't for the fact it's to back up data and therefore won't get regular use I'd return it
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27 of 29 people found the following review helpful
on 31 March 2014
Nice design but drive is very slow. The write speed peaks at 10MB/sec which is 4 times slower than USB2.0 speeds.
Not a true USB 3.0 drive.
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61 of 67 people found the following review helpful
on 21 March 2014
I was attracted by the advertised USB3 and as I only have 1 USB3 flash drive (integral superspeed which writes at 48MB/s) and I required more drives for back-up purposes I bought 3 of these. The write speed is the same as USB2 (8.6MB/s) not what I was expecting. As an example I copied a 2GB file from my HDD on to the Integral drive and it took 45 seconds, the same file copied on to the Kingston took 4.5 mins. This drive should not be advertised as USB3 if it can not achieve the speeds.
On the plus side the drive does seem to be well made so should last and if speed/time is not important then this drive is fine but for a little more money a lot of time could have been saved.
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31 of 34 people found the following review helpful
on 5 May 2014
I bought this drive for its capacity and also for being USB 3.0 (fast).

It passed the first requirement but not the second as it is not faster than my other USB 2.0 drive when using a USB 3.0 socket on my Lenovo Thinkpad T420s laptop.
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2 of 2 people found the following review helpful
on 24 April 2015
Frankly I bought this product in December of 2014 to use as a large size portable storage device when I travel, but also to store pictures and sensitive data. This is the worst product I have ever owned. The read/write speeds are nowhere near USB 3.0, the disk gets very hot when inserted into the USB port, and on top of that it completely crashed on me causing me to lose very important data that I can now not recover. One might say you should never backup to less than two places at once. That's true, however, I was on the move and needed to format my laptop - this drive was the only thing I had on hand. I tried recovering my files, but very few were recovered and on top of that I tried to use it again. Using it again has yielded the same conclusion - that this drive is inferior to any drive I have ever used in my life and would not be recommending it to anyone. The drive crashes time and time again, and on top of that is not visible by any operating system (Mac OS, or Windows). Of course I will not be returning this drive, as no matter how many times I format it I will never feel safe knowing that some sensitive data may be recovered - so I will just take a hit on this item despite having paid almost £40. All my other portable disks are Western Digital, not having missed a beat in years. I also own two Sandisk flash drives. I think you can't go wrong with those.
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3 of 3 people found the following review helpful
on 28 March 2015
It heats up to a very unsafe temperature level. I've got the 32 GB one too, and same problem. My other branded USB's do not have this issue. The reason its an issue is becuase it can damage the USB port, computer and USB itself leaving your data at risk. Ive used this at home, university and a friends laptop and can conclude it is a fault with this specific.
This is due to the flimsy plastic which has a high thermal conductivity and which is the main cause for the excessive heating.
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