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 1 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 handled more quickly. The cache is sized at 114 GB. 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 13,300 MB/s write; random IO reaches 1850K IOPS for read and 2600K for writes.
At its launch, the SSD was priced at 173 USD. The warranty length is set to five years, which is an excellent warranty period. Samsung guarantees an endurance rating of 600 TBW, a typical value for consumer SSDs.