The Silicon Power XD80 is a solid-state drive in the M.2 2280 form factor, launched on March 12th, 2021. It is available in capacities ranging from 256 GB to 2 TB. This page reports specifications for the 2 TB variant. With the rest of the system, the Silicon Power XD80 interfaces using a PCI-Express 3.0 x4 connection. The SSD controller is the PS5012-E12S-32 from Phison, a DRAM cache chip is available. Silicon Power has installed 96-layer TLC NAND flash on the XD80, the flash chips are made by Toshiba. Please note that this SSD is sold in multiple variants with different NAND flash or controller, which could affect performance, the "Notes" section at the end of this page has more info. To improve write speeds, a pseudo-SLC cache is used, so bursts of incoming writes are absorbed more quickly. The cache is sized at 52 GB, once it is full, writes complete at 1150 MB/s. The XD80 is rated for sequential read speeds of up to 3,400 MB/s and 3,000 MB/s write; random IO reaches 500K IOPS for read and 600K for writes.
At its launch, the SSD was priced at 220 USD. The warranty length is set to five years, which is an excellent warranty period. Silicon Power guarantees an endurance rating of 1600 TBW, a typical value for consumer SSDs.