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 1 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 64-layer TLC NAND flash on the XD80, the flash chips are made by YMTC. 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 soaked up more quickly. The XD80 is rated for sequential read speeds of up to 3,400 MB/s and 3,000 MB/s write; random IOPS reach up to 390K for reads and 450K for writes.
At its launch, the SSD was priced at 110 USD. The warranty length is set to five years, which is an excellent warranty period. Silicon Power guarantees an endurance rating of 800 TBW, a typical value for consumer SSDs.