The Patriot Viper VPN100 is a solid-state drive in the M.2 2280 form factor, launched on March 29th, 2019. It is only available in the 1 TB capacity listed on this page. With the rest of the system, the Patriot Viper VPN100 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. Patriot has installed 96-layer TLC NAND flash on the Viper VPN100, the flash chips are made by Micron. 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 processed more quickly. The cache is sized at 24 GB, once it is full, writes complete at 1075 MB/s. The Viper VPN100 is rated for sequential read speeds of up to 3,450 MB/s and 3,000 MB/s write; random IOPS reach up to 700K for reads and 700K for writes.
At its launch, the SSD was priced at 175 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 400 TBW, a typical value for consumer SSDs.