Patriot Memory Viper 4 Series DDR4 8GB (2 x 4GB) 3200MHz (PC4-25600) Dual Module Kit - PV48G320C6K 288-Pin Buffered Dual In-Line Memory Module (UDIMM) Frequency: 3200MHz (PC4-25600), Timings: 16.16.16.36 Capacity: 8GB (2x4GB) Voltage 1.35V 100% Tested, RoHS Compliant, Limited lifetime warranty