RAM & Memory Upgrades
Corsair CMV8GX4M1A2133C15 8 GB DDR4 2133 MHz CL15 DIMM Memory Module
memory storage capacity: 8GB 8GB (1x4GB) DDR4 2133MHz DIMM High-Speed 2133Mhz Memory Speed 15-15-15-36 latency Limited Lifetime Warranty Compatibility - Intel 100 Series,Intel 200 Series,Intel 300 Series
https://www.bizrate.co.uk/ram_memoryupgrades/corsair-cmv8gx4m1a2133c15-8-gb-ddr4-oid40023087373.html