SAMSUNG 512GB MLC PCIE GEN3 X4 NVME M.2 2280 SM961 SERIES VNAND 2BIT MULTI LEVEL CELL READS 3200MB/S WRITES 1700MB/S SOLID STATE DRIVE SSD - POLARIS CONTROLLER KEY M 8GB/S UP TO 4 LANES PCI-E 3.0 X4 NON VOLATILE MEMORY EXPRESS ( MZVKW512HMJP ) ( DUAL LABEL / HP / SAMSUNG ) (MZ-VKW5120-HP)