StorageReview checked out the XPG GAMMIX S70 SSD
A quote from the article:
Rolled out at CES 2021, the XPG GAMMIX S70 is an M.2 SSD aimed at gamers. The drive leverages the PCIe Gen4x4 interface with promises of speeds up to 7.4GB/s read and 6.4GB/s write. Though it leverages the new interface it is backward compatible with Gen3 devices. Aside from gamers, XPG is also looking at the overclocker and PC enthusiast markets.XPG GAMMIX S70 SSD Review