The Samsung 980 PRO is a solid-state drive in the M.2 2280 form factor, launched on September 22nd, 2020. It is available in capacities ranging from 250 GB to 2 TB. This page reports specifications for the 2 TB variant. With the rest of the system, the Samsung 980 PRO interfaces using a PCI-Express 4.0 x4 connection. The SSD controller is the Elpis (S4LV003) from Samsung, a DRAM cache chip is available. Samsung has installed 128-layer TLC NAND flash on the 980 PRO, the flash chips are made by Samsung. To improve write speeds, a pseudo-SLC cache is used, so bursts of incoming writes are absorbed more quickly. The cache is sized at 236 GB, once it is full, writes complete at 2000 MB/s. Copying data out of the SLC cache (folding) completes at 1500 MB/s. Thanks to support for the fast PCI-Express 4.0 interface, performance is excellent. The 980 PRO is rated for sequential read speeds of up to 7,000 MB/s and 5,100 MB/s write; random IO reaches 1000K IOPS for read and 1000K for writes.
At its launch, the SSD was priced at 430 USD. The warranty length is set to five years, which is an excellent warranty period. Samsung guarantees an endurance rating of 1200 TBW, a typical value for consumer SSDs.