RAM & Memory Upgrades
16GB (2 x 8GB) DDR3 1333MHz PC3-10600 240-PIN ECC REGISTERED DIMM (RDIMM) MEMORY RAM KIT COMPATIBLE WITH SERVERS/WORKSTATIONS/MOTHERBOARDS (*NOT FOR PCs*) (4 RANK KIT CHIPKILL)
SIZE/CAPACITY: 16GB KIT (2 x 8GB) VOLTAGE/POWER CONSUMPTION: 1.5v CAS LATENCY: CL9 SPEED: PC3-10600 (1333MHz) TYPE/INTERFACE: 240-PIN DDR3 ECC REGISTERED DIMM (RDIMM) (2 RANK ADVANCED ECC/CHIPKILL) 240-PIN DDR3 ECC REGISTERED DIMM
https://www.bizrate.co.uk/ram_memoryupgrades/16gb-2-x-8gb-ddr3-oid37208821030.html