G.Skill DDR3-1600 8GB Dual Channel [RipjawsX] F3-12800CL9D-8GBXL this DDR3 PC12800 8GB has a latency of 9-9-9-24-2N and test voltage of 1.5 volts. The memory is unbuffered and the error checking is non-ECC. The PC12800 8GB is 240-pin DIMM. Features * Designed For: Intel Sandy Bridge CPUs. * Main Board: Intel. * System: Desktop. * System Type: DDR3. * M/B Chipset: Intel P67. * CAS Latency: 9-9-9-24-2N. * Capacity: 8GB (4GB x2). * Speed: DDR3-1600 (PC3 12800). * Test Voltage: 1.5 Volts. * Registered/Unbuffered: Unbuffered. * Error Checking: Non-ECC. * Type: 240-pin DIMM. * Warranty: Lifetime.