Patriot Memorys Viper 4 Series memory modules are designed with true performance in mind. Built for the latest Intel Skylake processor utilizing the 100 series platform, the Viper 4 series provides the best performance and stability for the most demanding computer environments. The Viper 4 series utilizes a custom designed high performacne heat shield for superior heat dissipation to ensure rock solid performance even when using the most taxing applications. Built from the highest quanlity Build of Materials, Patriot Memorys Viper 4 Series memory modules are hand tested and validated for system compatibility. Memory Capacity 8GB (2 x 4GB) Memory Type DDR4 Module Type DIMM Memory Speed DDR4-3000MHz Pin Configuration 288-pin Registered/Unbuffered Unbuffered Error Correction Non-ECC CL-tRCD-tRP-tRAS CL16.18.18.36 Heat Sink Yes (Black & Red) Working Voltage 1.35V