The ADATA 8GB DDR4 SDRAM 2666MHz PC4-21300 288-Pin UDIMM memory module is a high-performance RAM upgrade for computers. With a total capacity of 8GB and a single module design, this ADATA memory module offers fast data transfer speeds at 2666MHz. The unbuffered memory feature ensures efficient performance, while the UDIMM form factor makes it compatible with a wide range of systems. The standard item dimensions and 288 pins make it a reliable choice for upgrading your computer's memory capacity.