The Ramaxel 8GB PC4-21300 (DDR4-2666) Memory module is a single SO-DIMM module designed for computers that require high-performance DDR4 SDRAM memory. With a total capacity of 8GB and a bus speed of PC4-21300 (DDR4-2666), this module offers fast data transfer speeds and ample storage capacity for demanding tasks such as gaming, video editing, and multitasking. The Ramaxel brand ensures reliable quality and performance, making it a dependable choice for upgrading your computer's memory capacity.