The Patriot P300 is a solid-state drive in the M.2 2280 form factor. It is available in capacities ranging from 128 GB to 2 TB. This page reports specifications for the 512 GB variant. With the rest of the system, the Patriot P300 interfaces using a PCI-Express 3.0 x4 connection. The SSD controller is the SM2263XT from Silicon Motion, a DRAM cache is not available. Patriot has installed 96-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 absorbed more quickly. The P300 is rated for sequential read speeds of up to 1,700 MB/s and 1,100 MB/s write; random IO reaches 290K IOPS for read and 260K for writes.
At its launch, the SSD was priced at 75 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 160 TBW, a relatively low value compared to other SSDs.