The Samsung 8GB DDR4-2666 DIMM PC4-21300 RAM Module (1x8GB) M378A1K43CB2-CTD is a high-quality memory module designed for desktop computers. With a total capacity of 8GB and a bus speed of PC4-21300 (DDR4-2666), this module provides fast and efficient performance for your computer. The DIMM form factor and DDR4 SDRAM type ensure compatibility with a wide range of motherboards, making it a reliable choice for upgrading your system's memory capacity. With the trusted Samsung brand and a single 8GB module, this RAM module is a great option for improving your computer's speed and responsiveness.