RAM & Memory Upgrades
128GB (4 x 32GB) DDR4 2933MHz PC4-23400 288-PIN ECC REGISTERED DIMM (RDIMM) MEMORY RAM KIT COMPATIBLE WITH SERVERS/WORKSTATIONS/MOTHERBOARDS (*NOT FOR PCs*)
SIZE/CAPACITY: 128GB KIT (4 x 32GB) VOLTAGE/POWER CONSUMPTION: 1.2v CAS LATENCY: CL21 SPEED: PC4-23400 (2933MHz) TYPE/INTERFACE: 288-PIN DDR4 ECC REGISTERED DIMM (RDIMM)
https://www.bizrate.co.uk/ram_memoryupgrades/128gb-4-x-32gb-ddr4-oid30376018101.html