Kingston's HyperX Plug-and-Play (PnP) is designed to improve the performance of your Sandy Bridge notebook or DIY system. Increase speed without changing system settings — PnP is preset for maximum speeds and easy to install. It's compatible with Generation 2 Core i5 and i7 and also with the latest Intel Sandy Bridge P67 and Z68 chipset. Plus it's backwards compatible without the plug-and-play functionality. Cas Latency: 9 Voltage: 1.5V Multi-channel Kit: Dual Channel Kit ECC: No Buffered/Registered: Unbuffered