Centon's Dual Channel memory kits contain two matched modules for dual-channel enabled systems. Dual-channel-enabled memory controllers utilize two 64-bit data channels, resulting in a total bandwidth of 128-bits, to move data from RAM to the CPU. Allow convenient and fast access to the stored information your computer is actively using for maximum efficiency Up to 1333 MHz speed with unbuffered signal for playing the latest games and using heavy software DIMM 8 GB memory allows you to have more programs open at a time 240-pin-pin DDR3 SDRAM interface multiplexes 2-bit data from memory cell and I/O buses to minimize processor idle time and enhance your computer's performance 2 x 4GB modules for enhanced memory reliability and productivity 240-pin for optimal performance and maximum reliability DIMM form factor with 240-pin and 8 GB memory size effectively lessens the electrical load on the memory controller to allow maximum feasibility Unbuffered signal processing for dependable programmability of the processor for easy optimization of digital signals