Product Description MODEL CMV4GX3M1C1600C11 SERIES VALUE MEMORY TYPE DDR 3 L MEMORY SIZE 4 GB KIT TYPE 4GB x 1 TESTED SPEED 1600 MHz TESTED LATENCY 11-11-11-28 TESTED VOLTAGE 1.35 V  Specification Size 4GB Kit (1 x 4GB) Performance Profilenone Fan Included No Memory Configuration Single Module Memory Type DDR3 Package Memory Pin240 Package Memory FormatDIMM Tested Voltage 1.35 SPD Voltage 1.35 Speed Rating PC3-12800 (1600MHz) SPD Speed 1333MHz Tested Speed 1600Mhz Warrenty 2 Years