HP Smart Array P222/P420/P421 2GB FBWC Cache Module With Battery - Part 633542-001

IT pros and server admins, this is for you. This is an open-box HP Smart Array 2GB FBWC (Flash-Backed Write Cache) module. It's compatible with the P222, P420, and P421 controller cards. The part number is 633542-001 (the listing also mentions MPN 633538-001, so double-check compatibility). It includes the battery to keep the cache safe during a power loss. The condition is listed as open box—excellent and new, but might not be in sealed retail packaging. It could be a factory second or a pulled unit, but it's fully functional. This module is crucial for boosting the write performance and data protection of your HP server's RAID array. If you're upgrading an existing controller or replacing a failed cache module, this is the part you need. Just make sure it's the right match for your specific Smart Array controller model. A cost-effective way to get genuine HP performance and reliability without the full retail price. Essential for keeping your business servers running fast and safe.