Total Micro 16GB DDR4 SDRAM Memory Module - 16 GB (1 x 16GB) - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz Dual-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 with unbuffered signal and CL19 latency will run them smoothly DIMM 16 GB capacity is enough to execute all memory hungry programs simultaneously DDR4-2666/PC4-21300 interface synchronizes electrical and clock signals for an efficient data transfer rate 1 x 16GB modules for enhanced memory reliability and productivity 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 16 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