Corsair Vengeance 8GB (2x4GB) DDR3 1600 CL8 DIMM Memory CMZ8GX3M2A1600C8 This is for the faster memory kit than others out there that are CL9. Item is used, but in working condition. Excellent and Fast RAM. High Performance or Gaming Memory Specification Manufactures Part Number: CMZ8GX3M2A1600C8 Heat Spreader: Vengeance Memory Configuration: Dual Channel Memory Series: Vengeance Memory Type: DDR3 Package Memory Format: DIMM Package Memory Pin: 240 Performance Profile: XMP Memory Size: 8GB Kit (2 x 4GB) SPD Latency: 9-9-9-24 SPD Speed: 1333MHz SPD Voltage: 1.5V Speed Rating: PC3-12800 (1600MHz) Tested Latency: 8-8-8-24 Tested Speed: