HyperX KHX2133C11D3K4/8GX, 8 GB, 4 x 2 GB, DDR3, 2133 MHz, 240-pin DIMM HyperX KHX2133C11D3K4/8GX. Component for: PC/server, Internal memory: 8 GB, Memory layout (modules x size): 4 x 2 GB, Internal memory type: DDR3, Memory clock speed: 2133 MHz, Memory form factor: 240-pin DIMM, CAS latency: 9