The XPG Gammix S7 is a solid-state drive in the M.2 2280 form factor, launched on August 14th, 2020. It is available in capacities ranging from 512 GB to 2 TB. This page reports specifications for the 512 GB variant. With the rest of the system, the XPG Gammix S7 interfaces using a PCI-Express 3.0 x4 connection. The SSD controller is the RTS5762 from Realtek. XPG has installed 64-layer TLC NAND flash on the Gammix S7, the flash chips are made by Samsung. Please note that this SSD is sold in multiple variants with different NAND flash or controller, which could affect performance, the "Notes" section at the end of this page has more info. To improve write speeds, a pseudo-SLC cache is used, so bursts of incoming writes are soaked up more quickly. The Gammix S7 is rated for sequential read speeds of up to 3,500 MB/s and 2,400 MB/s write; random IOPS reach up to 300K for reads and 240K for writes.
At its launch, the SSD was priced at 100 USD. The warranty length is set to five years, which is an excellent warranty period. XPG guarantees an endurance rating of 320 TBW, a typical value for consumer SSDs.