997037 - 8GB (2x4GB) DDR3 SODIMM PC3L-12800 11-11-11-28 Essentials Type: DDR3 SODIMM Voltage: 1.35V Speed Spec: PC3L-12800 Frequency: 1600MHz Capacity Kit Type: Dual Kit Module Size: 4GB Timings tCL: 11 tRCD: 11 tRP: 11 tRAS: 28