With the launch of the AMD Ryzen 3000 processors and X570 chipset in July 2019, the PCIe 4.0 SSD era kicked off with a bang. We saw a number of PCIe 4.0 SSDs enter the market, all of which were using a Phison PS5016-E16 controller, including XPG with its GAMMIX S50.

Now, XPG is looking to flesh out the GAMMIX S50 family at the lower end