what is the difference between ....

skewball

Silver Level Poster
512GB PCS PCIe M.2 SSD512GBUp to 2000MB/sUp to 1100MB/s
512GB INTEL® 660p M.2512GBUp to 1500MB/sUp to 1000MB/s

the latter seems to to NVMe but is slower than the first which I don't think does. SImilar prices.i

cheers!
 

ubuysa

The BSOD Doctor
I'd have though they were both NVMe, but does it matter? NVMe is really just an interface standard not a hardware technology. You want the fastest device you can afford generally.
 
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