Upgrading your personal computer is one of the easiest and most cost effective ways to increase your systems performance. Centon's memory upgrades are backed by a lifetime warranty and unlimited free technical support. RAM Module offers better protection with maximum efficiency and convenience Up to 800 MHz speed is enough to run heavy software smoothly while surfing web with dozens of tabs open 1 GB memory allows you to have more programs open at a time DDR2-800/PC2-6400 operates at up to 400 MHz data bus speed with minimal power consumption and as a result, you get optimal computer performance with an improved memory heat dissipation 1 x 1GB modules for dependable storage efficiency and maximum convenience 200-pin for optimal performance and maximum reliability SoDIMM form factor with 200-pin and 1 GB memory size effectively reduces minimizes the load on the server memory BUS to ensure maximum productivity Unbuffered signal processing for dependable programmability of the processor for easy optimization of digital signals