Micron MT16JTF51264HZ-1G6M1 4GB 2Rx8 PC3-12800s Memory Module Memory Type: SODIMM; Capacity: 4GB each Pins: 204 Pin; Bus Type: PC-12800 Error Correction: Non-ECC; Cycle Time: 1.5ns Cas: CL11; Data Transfer Rate: 1600Mhz Memory Clock: 200Mhz; Rank: Rank 2; Voltage: 1.5