Features: 1.Unique slim 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 DDR3?1600MHz 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 stable performance. 5.Please verify the supported memory (RAM) s of your system prior to purchase to ensure compatibility. specification:Item Type: Notebook Memory Transmission Type: DDR3 FSB: PC3-12800 Operating Temperature: 0-70 Material: Aluminum Function: Run Computer Data Applicable Device: Laptop PackageList:1 x NotebookMemory 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. Under normal circumstances, it is no problem for almost all motherboards to support 8G.