4GB DDR3 1600MHz Memory Module Memory Bank Upgrade Kit for Notebook/Laptop Notebook/Laptop 4GB DDR3 RAM Memory Module Chip 1600MHz Specification: Improved efficiency in notebook power-saving modes Stable signal integrity at high frequency operation 1.35 Voltage at rated speed (DDR3L) Low power consumption standard 1.5V ¡À 0.075V Power supply VDDQ=1.5V ¡À 0.075V Clock Freq: 800MHZ for 1600Mb/s/Pin Programmable CAS Latency: 5, 6, 7, 8, 9, 10, 11 Programmable Additive Latency (Posted /CAS): 0, CL-2 or CL-1 clock - Programmable /CAS Write Latency (CWL) =8 - 8 bit pre-fetch - Bi-directional Differential Data-Strobe Internal calibration through ZQ pin Dimensions: 2.66 in x 1.18 in x 0.04 in (6.8 cm x 3.0 cm x 0.1 cm) Weight: 0.63 oz (18 g) Package list: 1 x 4GB DDR3 1600MHz Notebook