external nvme ssd no faster than sd-card (lemmy.world)

submitted 11 months ago by ichbinjasokreativ@lemmy.world to c/mildlyinfuriating@lemmy.ml

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Bought this kingston xs2000 a while ago. It's officially rated for "up to" 2000Mb\s read\write but slows to a crawl after 30GB have been copied. Fyi, I'm copying files from an internal nvme (samsung 980 pro) via a usb 3.0 cable, so this kingston ssd is the only bottleneck.

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[-] SGG@lemmy.world 18 points 11 months ago

I agree with the other comment.

https://www.techpowerup.com/review/kingston-xs2000-2-tb/2.html

The drive has no DRAM cache, 99% chance that it is using a portion of the flash as SLC "cache". When the cache fills up it has to write it out to TLC storage.

this post was submitted on 03 Jan 2024

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