Speed up your laptop with an infusion of high-density memory by Crucial. You’ll enjoy better performance and faster operation with 4GB of DDR2 800. This memory kit features two SO-DIMMs that fit comfortably and securely in compatible laptops and is designed specifically to take advantage of dual channel technology. Dual channel motherboards offer twice the memory bandwidth as single channel systems, offering you blazing speed in your programs and video games. This memory kit features a respectable CL6 as well as a low 1.8V for cooler internal temperatures, which should be important to any laptop user. As an added bonus, you can push your system to its limits with peace of mind, knowing your Crucial memory is protected by a limited lifetime warranty on parts and labor. Upgrade your laptop with 4GB of Crucial memory today! Cas Latency: 6 Voltage: 1.8V ECC: No Buffered/Registered: Unbuffered Heat Spreader: No Parts: Lifetime limited Labor: Lifetime limited