8 GB (2 x 4 GB) DDR3L 1600 MHz PC3L-12800U desktop RAM SK Hynix HMT451U6AFR8C
Model / Part Numbers: HMT451U6AFR8C / HMT451U6BFR8A. SK hynix Part Numbers:HMT451U6AFR8C / HMT451U6BFR8A. Type: DDR3L UDIMM (Desktop). Speed: 1600MHz. 1600MHz (PC3L-12800U). Total Capacity: 8GB. Capacity: 4GB each (8GB total).