46C9091 IBM 4-Bay 2.5-Inch Hot Swap SAS Backplane Board for X3550 M4

Upgrade your IBM X3550 M4 server with the 46C9091 4‑bay 2.5‑inch hot‑swap SAS backplane board, engineered to deliver seamless storage expansion and uninterrupted uptime. This high‑performance backplane supports rapid, tool‑free drive insertion and removal, enabling you to replace or add drives on the fly without shutting down the system. Designed for enterprise reliability, it integrates flawlessly with the X3550 M4’s chassis, preserving optimal airflow and power distribution while expanding your server’s storage capacity. Ideal for data‑intensive applications, this backplane enhances flexibility, reduces maintenance windows, and ensures your critical workloads stay online and responsive.