The Solidigm P44 Pro is a solid-state drive in the M.2 2280 form factor, launched on October 18th, 2022. It is available in capacities ranging from 512 GB to 2 TB. This page reports specifications for the 2 TB variant. With the rest of the system, the Solidigm P44 Pro interfaces using a PCI-Express 4.0 x4 connection. The SSD controller is the Aries (ACNS075 PHC633.00S-2) from SK Hynix, a DRAM cache chip is available. Solidigm has installed 176-layer TLC NAND flash on the P44 Pro, the flash chips are made by SK Hynix. To improve write speeds, a pseudo-SLC cache is used, so bursts of incoming writes are processed more quickly. The cache is sized at 320 GB, once it is full, writes complete at 1800 MB/s. Copying data out of the SLC cache (folding) completes at 1700 MB/s. Thanks to support for the fast PCI-Express 4.0 interface, performance is excellent. The P44 Pro is rated for sequential read speeds of up to 7,000 MB/s and 6,500 MB/s write; random IOPS reach up to 1400K for reads and 1300K for writes.
At its launch, the SSD was priced at 235 USD. The warranty length is set to five years, which is an excellent warranty period. Solidigm guarantees an endurance rating of 1200 TBW, a typical value for consumer SSDs.