Corsair Memory is specifically designed for rock-solid stability in demanding applications. Data lines are carefully engineered for noise immunity; clock lines are optimized for minimum skew. All modules use JEDEC-compliant six-layer. Enables efficient and smooth execution of all your heavy-duty applications with maximum productivity Up to 1600 MHz speed with unbuffered signal for playing the latest games and using heavy software DIMM 4 GB memory allows you to have more programs open at a time 240-pin-pin DDR3 SDRAM interface synchronizes electrical and clock signals for an efficient data transfer rate 1 x 4GB modules for dependable storage efficiency and maximum convenience 240-pin for faster, dependable performance and better access to data and information CL11 CAS latency for reliable, fast response and improved performance Desktop PC device support for your ram module for maximum productivity and convenience DIMM form factor with 240-pin and 4 GB memory size effectively lessens the electrical load on the memory controller to allow maximum feasibility Unbuffered signal processing allows higher accuracy and enhanced ram module performance