Workstation Motherboard — FOR XW4550 / 4550 | FMB-0703 (452637-001, 450684-001)

Replacement workstation motherboard compatible with the XW4550 (4550) series. Board designation: FMB-0703. OEM/part numbers: 452637-001 and 450684-001. Designed as a direct-fit spare for systems that reference these exact part numbers — please compare the listed numbers to your current board to confirm compatibility.