The Samsung PM963 was a solid-state drive in the M.2 22110 form factor, launched in 2016, that is no longer in production. It was available in capacities ranging from 960 GB to 3.8 TB. This page reports specifications for the 3.8 TB variant. With the rest of the system, the Samsung PM963 interfaces using a PCI-Express 3.0 x4 connection. The SSD controller is the Polaris (S4LP077X01-8030) from Samsung, a DRAM cache chip is available. Samsung has installed 48-layer TLC NAND flash on the PM963, the flash chips are made by Samsung. The PM963 is rated for sequential read speeds of up to 2,000 MB/s and 1,200 MB/s write; random IOPS reach up to 430K for reads and 40K for writes.
The SSD's price at launch is unknown. The warranty length is set to five years, which is an excellent warranty period. Samsung guarantees an endurance rating of 5466 TBW, a good value.