RAM & Memory Upgrades
G.SKILL F4-3600C16Q-64GTZNC 64GB 4x16GB DDR4 3600MHz Memory Module
Capacity: 64 GB Timings: CL16 19-19-39 Module: 4 pieces Standard: DDR4-3600 (PC4-28800) Voltage: 1.35 V Trident Z Neo DDR4-3600MHz CL16-19-19-39 1.35V 64GB (4 x 16 GB) G.Skill F4-3600C16Q-64GTZNC 64GB 4 x 16 GB DDR4 3600MHz 288-Pin DIMM
https://www.bizrate.co.uk/ram_memoryupgrades/g-skill-f4-3600c16q-64gtznc-64gb-4x16gb-ddr4-oid10831382000.html