G.SKILL Ripjaws 4 series 16GB (4 x 4GB) 288-Pin DDR4 SDRAM 2400 (PC4-19200) Desktop Memory Model F4-2400C15Q-16GRK 16GB Quad Channel Kit - 4x matched 4GB modules DDR4 2400MHz memory, PC4-19200 With Black Ripjaws 4 heatsinks Timings of 15-15-15-35 at 1.2V Lower voltage means lower power consumption