Are these speeds right? Intel 660p Series M.2 2280 512GB PCI-Express 3.0

[ketobbey]

I need some help knowing if these speeds are normal? Thanks
https://imgur.com/a/00Z89yh
Intel 660p Series M.2 2280 512GB PCI-Express 3.0 Drive is not my OS

 

[The prime mediocre]

It's uhhh been a month and a half but: yes. The read speed exceed Intel's rating. The write speed is fine; the 660p's write performance degrades as you fill the drive due to its dynamic cache. 900MB/s is still very fast.