Silicon Power 8GB (2 x 4GB) 240-Pin DDR3 UDIMM 2400HMz (PC3 19200) C11 Memory Kit (SP008GXLYU24ANDA) Density: 8GB (2x4GB) Speed: 2400MHz Tested Latency: 11-13-13-32 Voltage: 1.65V Format: UDIMM Pin Out: 240 Pin Warranty: Lifetime Warranty