Patriot Signature Line DDR4 8GB (2x4GB) 2133MHz UDIMM Dual Module Memory Kit with Heatshield PSD48G2133KH Capacity: 8GB (2x4GB) Kit Frequency: 2133MHz (PC4-17000) Form Factor: 288-Pin Unbuffered Dual In-Line Voltage: 1.2V; Timings: 15.15.15.36 Limited Lifetime Warranty