HP 16GB (1x16GB) Quad Rank x4 PC3-8500 (DDR3-1066) Registered CAS-7 Memory Kit
HPE 500666-B21, 16 GB, 1 x 16 GB, DDR3, 1066 MHz, 240-pin DIMM
HPE 500666-B21. Internal memory: 16 GB, Memory layout (modules x size): 1 x 16 GB, Internal memory type: DDR3, Memory clock speed: 1066 MHz, Memory form factor: 240-pin DIMM, CAS latency: 7