RAM & Memory Upgrades
G.Skill F3-2400C11D-16GSR 16GB (2x8GB) 2400MHz CL11 DDR3-RAM 1.65v Memory Kit
Memory capacity: 16 GB (2x 8 GB) Expansion type: generic SPD speed: 1333 MHz; SPD Voltage: 1.50 V
https://www.bizrate.co.uk/ram_memoryupgrades/g-skill-f3-2400c11d-16gsr-16gb-2x8gb-2400mhz-oid6611083607.html