The Patriot P300 is a solid-state drive in the M.2 2280 form factor, launched on February 13th, 2020. It is available in capacities ranging from 128 GB to 2 TB. This page reports specifications for the 1 TB variant. With the rest of the system, the Patriot P300 interfaces using a PCI-Express 3.0 x4 connection. The SSD controller is the PS5013-E13-31 from Phison, a DRAM cache is not available. Patriot has installed 64-layer TLC NAND flash on the P300, 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 handled more quickly. The cache is sized at 24 GB, once it is full, writes complete at 430 MB/s. The P300 is rated for sequential read speeds of up to 2,100 MB/s and 1,650 MB/s write; random IO reaches 290K IOPS for read and 260K for writes.
At its launch, the SSD was priced at 120 USD. The warranty length is set to three years, which is above average, but shorter than the five years offered by many other vendors. Patriot guarantees an endurance rating of 320 TBW, a relatively low value compared to other SSDs.