16GB (1x16GB) Quad Rank x 4 PC3-8500 (DDR3-1066), Registered, CAS-7
HPE 593915-S21, 16 GB, 1 x 16 GB, DDR3, 1066 MHz, 240-pin DIMM
HPE 593915-S21. Component for: PC/Server, Internal memory: 16 GB, Memory layout (modules x size): 1 x 16 GB, Internal memory type: DDR3, Memory speed: 1066 MHz, Memory form factor: 240-pin DIMM, CAS latency: 7