Be sure that this suits by getting into your mannequin quantity.
256GB (8 x 32GB) Equipment DDR3 PC3-14900 1.5v 4rx4 ECC Load Decreased LRDIMM Reminiscence Module (240-pin DIMM 1866MHz)
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Designed for straightforward set up and most compatibility together with your HP Z820 Workstation
Please confirm the capabilities of your CPU