The Western Digital SN750 SE is a solid-state drive in the M.2 2280 form factor, launched on May 26th, 2021. It is available in capacities ranging from 250 GB to 1 TB. This page reports specifications for the 500 GB variant. With the rest of the system, the Western Digital SN750 SE interfaces using a PCI-Express 4.0 x4 connection. The SSD controller is the PS5019-E19-35 from Phison, a DRAM cache is not available. Western Digital has installed 96-layer TLC NAND flash on the SN750 SE, 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. Thanks to support for the fast PCI-Express 4.0 interface, performance is excellent. The SN750 SE is rated for sequential read speeds of up to 3,600 MB/s and 2,000 MB/s write.
At its launch, the SSD was priced at 60 USD. The warranty length is set to five years, which is an excellent warranty period. Western Digital guarantees an endurance rating of 300 TBW, a typical value for consumer SSDs.