Avexir Core Series 4GB 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Memory Kit Model AVD3U16001104G-1CIR Cas Latency: 11 Voltage: 1.5V Timing: 11-11-11-28 Recommend Use: High Performance or Gaming Memory Buffered/Registered: Unbuffered Features: Intel and AMD Chipset motherboards Optimized Every Avexir Memory is 100% tested on PC motherboard environment Dynamic red LED light High conductive light guide bar High performance voltage stabilizing generator AIST (every single IC examined by AVEXIR IC Sorting Technology) Golden Finger Protector 8 layers PCB for maximum thermal conduction Double Copper PCB to maximized overclocking ability Support P55/H55/X58/H61/P67/Z68/Z77/X79/Z87