MadShrimps takes a look at the ANACOMDA i4-X 4TB PCIe Gen4 2280 M.2 SSD
A quote from the article:
ANACOMDA is making a nice proposal with the Phison PS5018 E18 controller, paired with 1GB DDR4 2666MHz DRAM for caching, while the NAND is Toshiba 112L BiCS5 TLC (four packages). The performance matches mainstream to high-end drives, while providing optimal performance after writing about 1TB.ANACOMDA i4-X 4TB PCIe Gen4 2280 M.2 SSD Review