Patriot Viper RGB Series DDR4 16GB (2 x 8GB) 4000MHz Kit w/Black heatshield. Patriot's Viper RGB Series memory modules are designed with extreme performance. Built and tested for the latest Intel and AMD platforms. The bright RGB lighting brings a colorful dimension to any build and will take it to the next level. With a unique aluminum heatshield and aggressive design, the Viper RGB Series will look good in any build. The aluminum heatshield offers superior heat dissipation to ensure excellent performance, even when using demanding applications. The 5 RGB lighting zones are all fully customizable with our easy to use Viper RGB Software. The Viper RGB Series is suited with XMP 2.0 support for automatic overclocking and compatible with lead motherboard partners RGB sync applications. The Viper RGB Series DRAM has the most competitive and aggressive specifications in the Patriot OC DRAM product lines and is available with either a white or black heatshield. FEATURES: Series: Viper RGB, Edition: Black sides with Silver Viper logo, Aluminum heat spreader with unique and specific design element, Feature Overclock: XMP 2.0 support for automatic overclocking, Easy to use software application, 5 Customizable RGB zones to add some flare to your PC, Compatibility: Tested on the latest Intel premium/high-end platforms and i7 processors, Compatible with lead motherboard partners' RGB Sync application, Limited lifetime warranty. SPECIFICATIONS: Capacity: 16GB (2 x 8GB), Base Frequency: PC4-17000 (2133MHz), Base Timings: 15-15-15-36, Voltage: 1.2V, Tested Frequency: PC4-32000 (4000MHz), Tested Timings: 19-19-19-39, Voltage: 1.4V, Format: NON-ECC Unbuffered DIMM.