The MSI Spatium S270 is a solid-state drive in the 2.5" form factor, launched in December 2023. It is available in capacities ranging from 120 GB to 480 GB. This page reports specifications for the 480 GB variant. With the rest of the system, the MSI Spatium S270 interfaces using a SATA 6 Gbps connection. The SSD controller is the PS3111-S11-13 from Phison, a DRAM cache is not available. MSI has installed 112-layer TLC NAND flash on the Spatium S270, the flash chips are made by Kioxia. 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 processed more quickly. The cache is sized at 24 GB, once it is full, writes complete at 116 MB/s. The Spatium S270 is rated for sequential read speeds of up to 500 MB/s and 450 MB/s write; random IOPS reach up to 55K for reads and 80K for writes.
At its launch, the SSD was priced at 38 USD. The warranty length is set to five years, which is an excellent warranty period. MSI guarantees an endurance rating of 250 TBW, a relatively low value compared to other SSDs.