The ADATA Premier 8GB DDR4 2666 MHz CL19 Memory module is a high-quality memory module designed for computers and laptops. With a total capacity of 8GB and a single module capacity of 8GB, this SO-DIMM DDR4 SDRAM module is perfect for upgrading your system's memory. The module features ECC memory technology for reliable performance, and has a bus speed of PC4-21300 (DDR4-2666) for fast data transfer. Trusted for its quality and reliability, the ADATA Premier memory module is a great choice for boosting your system's performance.