4GB(1x4GB) DDR4-2666 nECC RAM
HP 4GB (1x4GB) DDR4 2666MHz, 4 GB, 1 x 4 GB, DDR4, 2666 MHz, 288-pin DIMM
HP 4GB (1x4GB) DDR4 2666MHz. Component for: PC/server, Internal memory: 4 GB, Memory layout (modules x size): 1 x 4 GB, Internal memory type: DDR4, Memory clock speed: 2666 MHz, Memory form factor: 288-pin DIMM