Lexar nm760 512gb high speed pcie gen 4×4, m.2 nvme, up to 5300 mb/s read and 4500 mb/s write

Goodram px500-g2 512gb ssd, m.2 2280, nvme pcie gen3 x4, read/write: 2000/1600 mb/s, random read/write iops 173k/140k