HP P26770-001 SKO-RDIMM is a 128 GB DDR5 memory module for expanding or replacing memory in a compatible workstation. HP identifies this exact part number as a 128 GB DDR5-5600 ECC module.
Its ECC function automatically corrects single-bit memory errors, as described in HP’s workstation service guide. The DIMM/RDIMM format is intended for workstation memory sockets; the system guide lists P26770-001 in the HP Z6 G5 Workstation Desktop PC parts catalog.
This module provides a substantial memory capacity in one module for supported workstation configurations. The guide notes that detected multibit errors cause the system to halt with an F1 prompt.