The MSI Spatium M480 is a solid-state drive in the M.2 2280 form factor, launched on July 7th, 2021. It is available in capacities ranging from 500 GB to 2 TB. This page reports specifications for the 500 GB variant. With the rest of the system, the MSI Spatium M480 interfaces using a PCI-Express 4.0 x4 connection. The SSD controller is the PS5018-E18-41 from Phison, a DRAM cache chip is available. MSI has installed 96-layer TLC NAND flash on the Spatium M480, the flash chips are made by Micron. To improve write speeds, a pseudo-SLC cache is used, so bursts of incoming writes are processed more quickly. Thanks to support for the fast PCI-Express 4.0 interface, performance is excellent. The Spatium M480 is rated for sequential read speeds of up to 6,500 MB/s and 2,850 MB/s write; random IOPS reach up to 170K for reads and 600K for writes.
The SSD's price at launch is unknown. The warranty length is set to five years, which is an excellent warranty period. MSI guarantees an endurance rating of 350 TBW, a typical value for consumer SSDs.