G.SKILL Ripjaws 4 Series 8GB (2 x 4GB) 288-Pin DDR4 SDRAM DDR4 2400 (PC4 19200) Memory Kit Model F4-2400C15D-8GRR 8GB Dual Channel Kit - 2 matched 4GB modules DDR4 2400MHz memory, PC4-19200 With Red Ripjaws 4 heatsinks Timings of 15-15-15-35 at 1.2V Lower voltage means lower power consumption