The MSI Spatium M470 is a solid-state drive in the M.2 2280 form factor, launched in 2021. It is available in capacities ranging from 1 TB to 2 TB. This page reports specifications for the 1 TB variant. With the rest of the system, the MSI Spatium M470 interfaces using a PCI-Express 4.0 x4 connection. The SSD controller is the PS5016-E16-32 from Phison, a DRAM cache chip is available. MSI has installed 96-layer TLC NAND flash on the Spatium M470, the flash chips are made by Toshiba. To improve write speeds, a pseudo-SLC cache is used, so bursts of incoming writes are absorbed more quickly. The cache is sized at 32 GB, once it is full, writes complete at 1025 MB/s. Thanks to support for the fast PCI-Express 4.0 interface, performance is excellent. The Spatium M470 is rated for sequential read speeds of up to 5,000 MB/s and 4,400 MB/s write; random IO reaches 600K IOPS for read and 600K for writes.
At its launch, the SSD was priced at 130 USD. The warranty length is set to five years, which is an excellent warranty period. MSI guarantees an endurance rating of 1600 TBW, a good value.