Specification Designed For 2nd Generation Intel® Core? Processors System Desktop System Type DDR3 M/B Chipset Intel Z68 Intel P67 Intel H67 Intel H61 CAS Latency 8-8-8-24-2N Capacity 4GB (2GB x2) Speed DDR3-1333 (PC3 10666) Test Voltage 1.5 Volts Height 40 mm / 1.58 inch Registered/Unbuffered Unbuffered Error Checking Non-ECC Type 240-pin DIMM Warranty Lifetime