HP 8GB DDR4 SDRAM Memory Module - 8 GB (1 x 8GB) - DDR4-2666/PC4-21300 DDR4 SDRAM - 2666 MHz - 1.20 V - Non-ECC - Unbuffered - 288-pin - DIMM

Up to 2666 MHz speed with Unbuffered signal for smooth computer performance DIMM 8 GB of memory to heighten your computers performance DDR4 SDRAM interface multiplexes 2-bit data from memory cell and I/O buses to minimize processor idle time and enhance your computers performance