The IRDM M.2 SSD is a solid-state drive in the M.2 2280 form factor, launched in 2021. It is available in capacities ranging from 256 GB to 2 TB. This page reports specifications for the 256 GB variant. With the rest of the system, the IRDM M.2 SSD interfaces using a PCI-Express 3.0 x4 connection. The SSD controller is the PS5012-E12S-32 from Phison, a DRAM cache chip is available. IRDM has installed 64-layer TLC NAND flash on the M.2 SSD, the flash chips are made by Toshiba. 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 absorbed more quickly. The M.2 SSD is rated for sequential read speeds of up to 3,000 MB/s and 1,000 MB/s write; random IO reaches 149K IOPS for read and 250K for writes.
The SSD's price at launch is unknown. The warranty length is set to five years, which is an excellent warranty period. IRDM guarantees an endurance rating of 150 TBW, a typical value for consumer SSDs.