The Samsung 970 EVO Plus is a solid-state drive in the M.2 2280 form factor, launched in February 2019. It is available in capacities ranging from 250 GB to 2 TB. This page reports specifications for the 500 GB variant. With the rest of the system, the Samsung 970 EVO Plus interfaces using a PCI-Express 3.0 x4 connection. The SSD controller is the Phoenix (S4LR020) from Samsung, a DRAM cache chip is available. Samsung has installed 92-layer TLC NAND flash on the 970 EVO Plus, the flash chips are made by Samsung. 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 22 GB, once it is full, writes complete at 900 MB/s. The 970 EVO Plus is rated for sequential read speeds of up to 3,500 MB/s and 3,200 MB/s write; random IOPS reach up to 480K for reads and 550K for writes.
At its launch, the SSD was priced at 130 USD. The warranty length is set to five years, which is an excellent warranty period. Samsung guarantees an endurance rating of 300 TBW, a typical value for consumer SSDs.