The Samsung 9100 Pro is a solid-state drive in the M.2 2280 form factor, launched on February 25th, 2025. It is available in capacities ranging from 1 TB to 8 TB. This page reports specifications for the 2 TB variant. With the rest of the system, the Samsung 9100 Pro interfaces using a PCI-Express 5.0 x4 connection. The SSD controller is the Presto (S4LY027) from Samsung, a DRAM cache chip is available. Samsung has installed 236-layer TLC NAND flash on the 9100 Pro, the flash chips are made by Samsung. To improve write speeds, a pseudo-SLC cache is used, so bursts of incoming writes are processed more quickly. The cache is sized at 226 GB, once it is full, writes complete at 1867 MB/s. Thanks to support for the fast PCI-Express 5.0 interface, performance is excellent. The 9100 Pro is rated for sequential read speeds of up to 14,700 MB/s and 13,400 MB/s write; random IOPS reach up to 1850K for reads and 2600K for writes.
At its launch, the SSD was priced at 294 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.