The SK Hynix Platinum P51 is a solid-state drive in the M.2 2280 form factor, launched on March 19th, 2024. It is available in capacities ranging from 500 GB to 2 TB. This page reports specifications for the 2 TB variant. With the rest of the system, the SK Hynix Platinum P51 interfaces using a PCI-Express 5.0 x4 connection. The SSD controller is the Alistar (ACNT093) from SK Hynix, a DRAM cache chip is available. SK Hynix has installed 238-layer TLC NAND flash on the Platinum P51, the flash chips are made by SK Hynix. To improve write speeds, a pseudo-SLC cache is used, so bursts of incoming writes are absorbed more quickly. Thanks to support for the fast PCI-Express 5.0 interface, performance is excellent. The Platinum P51 is rated for sequential read speeds of up to 14,000 MB/s and 12,000 MB/s write; random IO reaches 2000K IOPS for read and 2000K for writes.
The SSD's price at launch is unknown. The warranty length is set to five years, which is an excellent warranty period. The TBW rating for the SK Hynix Platinum P51 2 TB is unknown, too.