G.SKILL 8GB (2 x 4GB) Aegis DDR4 PC4-17000 2133MHZ For Intel Z170 Platform And Intel X99 Platform Desktop Memory Model F4-2133C15D-8GIS Capacity 8GB (2 x 4GB) . Type 288-Pin DDR4 SDRAM , Cas Latency 15 Model F4-2133C15D-8GIS Timing 15-15-15-35 Voltage 1.2V ECC No Buffered/Registered Unbuffered