8GB (1x8GB) ECC single rank x8 DDR4-2933 CAS-21-21-21 unbuffered SO-DIMM field upgrade kit
HPE P22154-B21, 8 GB, 1 x 8 GB, DDR4, 2933 MHz, 260-pin SO-DIMM
HPE P22154-B21. Component for: PC/Server, Internal memory: 8 GB, Memory layout (modules x size): 1 x 8 GB, Internal memory type: DDR4, Memory clock speed: 2933 MHz, Memory form factor: 260-pin SO-DIMM, CAS latency: 21, ECC