The best USB drive i ever bought. Im even thinking of getting another soon. Very happy with my purchase and the customer service I received at the store. micro center is my favorite electronic store to go to and I always recommend all my family and friends to go and buy from there. Never had a bad experience at the store. Always left as a happy customer every time i made a purchase there.

150 MB/sec? All it did for me, backing up 10.5 GB of small folders/files, was 1 MB/sec. And the warranty - they wouldn't send replacements unless I mailed them the bad drives first, which means I would lose my all-important backups.

I purchased this flash drive not having 100% confidence that it would live up to its spec, but I was pleasantly surprised. Although the body on the drive is flimsy in my opinion, the performance is excellent. I have tested a few flash drives using CrystalDiskMark and this showed the write performance of the SanDisk Extreme Go outperformed its younger brothers (SanDisk Ultra Dual Drive) write speed by more than 4x. The Ultra Dual writing at 35mbs and the Extreme Go writing at 144mbs. This was with the drives plugged directly into a USB 3.0 socket on the computer. If you plug it in through a hub, this will likely be considerably lower. I have mostly cheap ebay flash drives and the best write speed I got from them was 20mbs (which wasn't far off SanDisk Ultra Dual ... MoreI purchased this flash drive not having 100% confidence that it would live up to its spec, but I was pleasantly surprised. Although the body on the drive is flimsy in my opinion, the performance is excellent. I have tested a few flash drives using CrystalDiskMark and this showed the write performance of the SanDisk Extreme Go outperformed its younger brothers (SanDisk Ultra Dual Drive) write speed by more than 4x. The Ultra Dual writing at 35mbs and the Extreme Go writing at 144mbs. This was with the drives plugged directly into a USB 3.0 socket on the computer. If you plug it in through a hub, this will likely be considerably lower. I have mostly cheap ebay flash drives and the best write speed I got from them was 20mbs (which wasn't far off SanDisk Ultra Dual drive), and although the cheaper drives have their place and do the job, I would definitely pay that little extra for the performance you get from this device, without question. If I could give half a star, I would have given 4.5 out 5.0, purely because of the flimsy casing, although the USB connector mechanism is very robust. This is obviously my opinion, but flimsy plastic aside, I personally would still recommend the SanDisk Extreme Go, merely for its performance.