HPE 647899-B21. Component for: PC/Server, Internal memory: 8 GB, Memory layout (modules x size): 1 x 8 GB, Internal memory type: DDR3, Memory clock speed: 1600 MHz, Memory form factor: 240-pin DIMM, CAS latency: 11, ECC, Product colour: Black, Green. This memory module is designed for PC and server use, offering 8 GB of internal memory with a DDR3 type and a clock speed of 1600 MHz. It comes in a 240-pin DIMM form factor with a CAS latency of 11 and supports ECC. The product color is a combination of black and green.