RAM & Memory Upgrades
16GB G.Skill Ripjaws DDR3 1600MHz SO-DIMM laptop memory dual channel kit (2x 8GB) CL9
16GB (2 x 8GB) DDR3 1600 (PC3 12800), 204-Pin CAS Latency 9 (9-9-9-28) at 1.50V
https://www.bizrate.co.uk/ram_memoryupgrades/16gb-g-skill-ripjaws-ddr3-1600mhz-oid5580890870.html