Patriot Viper 3 4GB DDR3 1600MHz (PC3-12800) Single Module. Patriot Memorys Viper 3 Series memory kits are designed with true performance in mind. Tested and compatible with Intels DDR3 compatible processors and chipsets, The Viper 3 series provides the best performance and stability for the most demanding computer environments. The Viper 3 series utilizes a custom designed high performance heat shield for superior heat dissipation to ensure rock solid performance even when using the most taxing applications. Built from the highest quality Build of Materials, Patriot Memorys Viper 3 Series memory kits are hand tested and validated for system compatibility. Available in Single modules and dual channel kits. Patriot Memorys Viper 3 Series will be offered at high quality speeds and are XMP 1.3 ready. Hand tested for quality assurance, the Viper 3 series is backed by a lifetime warranty. FEATURES: Series: Viper 3 Edition: Black Mamba Tested Platforms : All Platforms Feature Overclock: XMP 1.3 support for automatic overclocking Aluminum heat spreader for faster heat dissipation and cooler operation Reliable and performance with a limited lifetime warranty. SPECIFICATIONS: Compatibility: Intel and AMD Processor platforms Capacity: 8GB (1x8GB) Base Frequency: PC3-12800 (1600MHz) Base Timings: 10.10.10.27 XMP Frequency: PC3-12800 (1600MHz) XMP Timings: 10.10.10.27 Voltage: 1.5V Format: NON-ECC Unbuffer DIMM Pin Out: 240-Pin Intel : XMP 1.3 Heat spreader: Anodized Aluminum.