The Corsair ValueSelect 8GB 2x4GB DDR4-2133 CL15 RAM CMV4GX4M1A2133C15 is a high-quality memory module designed for computers and other devices. With a total capacity of 8GB, spread across two 4GB modules, this RAM is perfect for boosting the performance of your system. The DDR4 SDRAM technology ensures fast data transfer speeds, while the PC4-17000 (DDR4-2133) bus speed provides reliable performance. Additionally, the memory features ECC memory for improved error correction and stability. With Corsair's reputation for quality and reliability, this RAM is a great choice for upgrading your system.