Product Overview: Enhance your server's performance with the for P420 Smart Array Controller Card, specifically designed for G8 Gen8 servers. This control card comes equipped with a 1GB cache and a battery, ensuring reliable and efficient operation. Key Features: The controller supports advanced configurations, providing robust data protection and speed. It is an essential upgrade for managing storage arrays and improving server response times. Compatibility: Perfectly compatible with for G8 Gen8 servers, this controller integrates seamlessly ensuring smooth functionality. part numbers include 631670-B21, 633538-001, and 633542-001, guaranteeing authenticity and quality Hign-concerned Chemical:None Part Number:631670-B21 633538-001 633542-001 Item Type: Notebook Parts (The product printed words depending on the batch, but this does not affect use) Color:As Shown Material:PCB Package Contents: 1 * P420 Controller Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.