DDR3 DIMM modules are built to JEDEC standards and provide a reduction in power consumption of 30% over DDR2 modules. The main benefit of Centon's DDR3 comes from the higher bandwidth interface technology and is a great boost to your Desktop.Upgrading your computer is one of the easiest and least expensive ways to maximize your system's performance. Centon's quality memory upgrades are backed by a lifetime warranty and are guaranteed to work with your system. Enables efficient and smooth execution of all your heavy-duty applications with maximum productivity Up to 1333 MHz speed with unbuffered signal and CL9 latency for playing the latest games and using heavy software 4 GB of memory to refine your computer's performance 240-pin-pin DDR3-1333/PC3-10600 interface multiplexes 2-bit data from memory cell and I/O buses to minimize processor idle time and enhance your computer's performance 240-pin for enhanced, dependable system performance with maximum usability CL9 CAS latency for quicker access to the required location in a timely efficient manner DIMM form factor with 240-pin and 4 GB memory size for enhanced performance and speed to allow maximum usability Unbuffered signal processing provides reliable optimization for your required applications to allow maximum usability