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 13,500 MB/s and 11,500 MB/s write.
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.