Total Micro 8GB DDR3 SDRAM Memory Module - 8 GB - DDR3-1600/PC3L-12800 DDR3 SDRAM - 1600 MHz Dual-rank Memory - CL11 - 1.35 V - ECC - Registered - 240-pin - DIMM - Lifetime Warranty Allow convenient and fast access to the stored information your computer is actively using for maximum efficiency No matter how heavy and numerous the applications that you are using, 1600 MHz memory speed with registered signal will run them smoothly DIMM 8 GB of memory makes a perfect symmetry with your latest model processor and boosts up your computer's performance 240-pin-pin DDR3 SDRAM interface synchronizes electrical and clock signals for an efficient data transfer rate 240-pin pins for optimal performance and maximum reliability CL11 CAS latency for reliable, fast response and improved performance DIMM form factor with 240-pin pins and 8 GB memory size for enhanced performance and speed to allow maximum usability Registered signal processing allows high speed and accuracy to allow maximum reliability