PATRIOT SIGNATURE LINE SERIES DDR4 8GB (1 x 8GB) 2666MHz UDIMM SINGLEPatriot's Signature Line DDR4 Non-ECC unbu ered memory delivers the quality, reliability and performance expected for today's mainstream computer needs. This 8GB is designed to run at PC4-21300 (2666MHz) at CAS 19 latency timings for better overall system responsiveness when using demanding application. Built using the highest quality components and hand tested, Patriot ensures every module meets and exceeds industry standards to o er you a hassle-free plug-and-play memory upgrade. With free customer service and a lifetime warranty, Patriot's Signature Line DDR4 memory modules are the perfect option for any PC system build or upgrade for faster performance.FEATURES: Series: Signature Line Form Factor: 288-Pin Unbuffered Dual In-Line Memory Module (UDIMM) Technology : DDR 4 Non-ECC Unbuffered 100% Tested RoHS Compliant Limited lifetime warrantySPECIFICATIONS: Capacity: 8GB (1x8GB) Frequency: 2666MHz (PC4-21300) Timings: 19-19-19-43 (One) 1 Rank single sided module Voltage: 1.2V.