ValueSelect memory is tested to Corsair's tough standards and is stable, reliable, and compatible with virtually all major notebook and netbook PCs. Backed by a limited lifetime warranty.High-performance vengeance memory for your laptop if you're a serious road warrior or you use your notebook for heavy-duty applications like photo and video editing, your notebook should have as much memory as possible. Adding a 4gb, 8gb, or 16gb laptop memory upgrade kit will allow you to multitask between more programs at once and load and edit larger files without having to wait for data to buffer to the drive. 1.35V for better operation with the latest systems the latest laptop and notebook systems based on 4th generation intel core processors require ddr3l memory powered at 1.35V. Vengeance 1.35V ddr3l sodimm kits are compatible with the new 4th generation family of processors, and are backward compatible with 2nd and 3rd generation processors. Technical specifications size 8gb (1 x 8gb) format - 204 pin ddr3l sodimm tested voltage 1.35 Spd voltage 1.35 Speed rating pc3-12800 (1600mhz) spd speed 1600mhz tested speed 1600mhz tested latency 11-11-11-28 spd latency 9-9-9-24