G.SKILL Ripjaws 4 Series 32GB (4 x 8GB) 288-Pin DDR4 SDRAM DDR4 2133 (PC4 17000) Desktop Memory Model F4-2133C15Q-32GRB Cas Latency: 15 Voltage: 1.2V Multi-channel Kit: Quad Channel Kit Timing: 15-15-15-35 Buffered/Registered: Unbuffered Features: Extreme performance DDR4 memory designed for gaming and PC enthusiasts Optimized compatibility with Intel X99 system Stylish aluminum heat spreader design to keep the memory cool 1.2V ultra low voltage