Total Micro 8GB DDR4 SDRAM Memory Module - 8 GB - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz Single-rank Memory - CL19 - 1.20 V - Non-ECC - Unbuffered - 288-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, 2666 MHz memory speed 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 288-pin DDR4 SDRAM interface synchronizes electrical and clock signals for an efficient data transfer rate 288-pin for optimal performance and maximum reliability CL19 CAS latency for faster, dependable clock cycles which allows quick access and retrieval of data and information DIMM form factor with 288-pin and 8 GB memory size effectively lessens the electrical load on the memory controller to allow maximum feasibility Unbuffered signal processing provides reliable optimization for your required applications to allow maximum usability