Features: 1.Unique sleek design for a clean and minimalistic look in your computer cabinet. 2.High?performance PCB ensures strong signal quality and stability to achieve excellent overclocking capabilities. 3.Compatible with all DDR4?2666MHz desktop computers, giving any system builder the confidence they need for their system builds. 4.Our memory modules are compatibility?tested across all major motherboards manufacturers for reliability and performance. 5.Please verify the supported memory (RAM) s of your system prior to purchase to ensure compatibility. specification:Item Type: Desktop Memory Material: Aluminum Alloy FSB: PC4-21300 Transmission type: DDR4 Operating Temperature: 0-70 Function: Run Computer Data Applicable Device: Desktop Computer PackageList:1 x DesktopMemory Note1. When installing a new memory module, it is best to choose a memory module of the same brand and model, so as to ensure the best compatibility between the two memory modules. 2. Better choose the memory module corresponding to the motherboard, the memory module with too new model will often conflict with the motherboard of the old model, which will cause the overall operation to be unsmooth. In addition to the compatibility with the motherboard, we should also consider the compatibility with the system. Systems such as XP basically cannot support memory above 4gb. 3. The computer supports several generations of memory, and the maximum amount of memory it supports. Under normal circumstances, it is no problem for almost all motherboards to support 8G.