HyperX 4GB(2 x 2GB), 1066MHz, DDR2, Non-ECC, CL5 (5-5-5-15), DIMM, 4 GB, DDR2, 1066 MHz, 240-pin DIMM
HyperX 4GB(2 x 2GB), 1066MHz, DDR2, Non-ECC, CL5 (5-5-5-15), DIMM. Internal memory: 4 GB, Internal memory type: DDR2, Memory clock speed: 1066 MHz, Memory form factor: 240-pin DIMM, CAS latency: 5