RAM & Memory Upgrades
G.Skill Trident Z Royal 16GB DDR4 3200MHz Memory Module (16GB, 2x8GB, DDR4, 3200MHz),Black
G.Skill Trident Z Royal Component for: PC/server Internal memory: 16 GB Memory arrangement (modules x dimensions): 2 x 8 GB Internal memory type: DDR4 Memory frequency: 3200 MHz.Case latency: 16
https://www.bizrate.co.uk/ram_memoryupgrades/g-skill-trident-z-royal-16gb-oid30376003506.html