Sandisk: USB 3.0 Write Speeds

  Gummomarx 12:52 21 May 2018
Locked

I've been communicating with Sandisk about the performance of my Ultra Fit 64GB flash drive.

I got a write speed of only 17MB/s on an 11.5GB file transfer.

Sandisk claim that this is 'well within the (unpublished)specifications'.

any thoughts?

  beeuuem~2 17:44 21 May 2018

It is always wise to try to find the read /write speed data before buying. That is said as I've had the same type of problem myself, it isn't intended as a criticism.

I have so called USB 3.0 flash drives that have write speeds that are slower then standard USB 2.0 drives.

A Kingston USB 2.0 drive drive gives read'write speeds of 18MB/s - 10.5MB/s

A USB 3.0 16Gb Kingston Data Traveler gives read write/speeds of 132MB/s and 8.4MB/s

On the other hand CrystalDisk reports my Sandisk Extreme 64Gb as having read /write speeds of 200MB/s and 180Mb/s respectively.

  Gummomarx 13:14 22 May 2018

Sandisk refused to budge, merely mentioning the drives below as a solution:

'From the results you provided us, we can see that the write speed is 20MB/s on a USB 3.0 port. This is acceptable as the speed depends on more factors, as is your host device. Also, as mentioned before, we do not have any published write speeds for the Ultra USB's. We do have that information published for the Extreme Go 3.1 and the Extreme Pro 3.1'

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