The Solidigm P41 Plus is a solid-state drive in the M.2 2280 form factor, launched on August 2nd, 2022. It is available in capacities ranging from 512 GB to 2 TB. This page reports specifications for the 512 GB variant. With the rest of the system, the Solidigm P41 Plus interfaces using a PCI-Express 4.0 x4 connection. The SSD controller is the SM2269XT from Silicon Motion, a DRAM cache is not available. Solidigm has installed 144-layer QLC NAND flash on the P41 Plus, the flash chips are made by Intel. To improve write speeds, a pseudo-SLC cache is used, so bursts of incoming writes are processed more quickly. The cache is sized at 75 GB. Thanks to support for the fast PCI-Express 4.0 interface, performance is excellent. The P41 Plus is rated for sequential read speeds of up to 4,125 MB/s and 3,325 MB/s write; random IOPS reach up to 390K for reads and 540K for writes.
At its launch, the SSD was priced at 50 USD. The warranty length is set to five years, which is an excellent warranty period. Solidigm guarantees an endurance rating of 200 TBW, a relatively low value compared to other SSDs.