Crucial 4GB Single DDR3/DDR3L 1600 MT/S (PC3-12800) Unbuffered SODIMM 204-Pin Memory - CT51264BF160BSeries: CrucialForm Factor: SODIMMTotal Capacity: 4GBSpecs: DDR3 PC3-12800 • CL=11 • Unbuffered • NON-ECC • DDR3-1600 • 1.35V • 1024Meg x 64 •Kit Qty: 1Speed: 1600 MT/SDIMM Type: UnbufferedECC: NON-ECCVoltage: 1.35V