Patriot Viper Steel Series DDR4 16GB (1 x 16GB) 2666MHz CL18 SODIMM Single. Patriot's Viper Steel SODIMM deliver cutting-edge performance for notebooks and small form-factor PC's without sacrificing reliability. Built for the latest Intel and AMD platforms, Viper Steel SODIMM provides the best performance and stability for the most demanding computer environments. Made to ensure rock-solid and easy-to-use plug and play performance, even for the most demanding games and applications. Built from the highest quality build of materials, Patriot's Viper Steel SODIMM memory modules are hand-tested and validated for system compatibility. Patriot's Viper Steel SODIMM Series will be offered at speeds from 2400MHz up to 3000MHz with XMP 2.0 support. Hand-tested for quality assurance the Viper Steel SODIMM series is backed by a limited lifetime warranty. Easily upgrade, load files faster, and increase responsiveness to improve your system with Viper Steel SODIMM modules.FEATURES: Series: Viper Steel SODIMM, Feature Overclock: XMP 2.0 Compatibility: Tested on the latest Intel premium/high-end platforms and AMD platforms for reliably fast performance, Limited lifetime warrantySPECIFICATIONS: Capacity: 16GB (1x16GB) DIMM Type: 260 Pin NON-ECC SODIMM, Voltage: 1.2v, Base Frequency: PC4-21300(2666MHz) Base Timings: 18-18-18-43, Tested Frequency: PC4-21300(2666MHz) Tested Timings: 18-18-18-43, Test Platforms: Intel and AMD latest platform.