This is an HP Processor DC to DC Voltage Regulator Module (VRM) with part number 0950-4530, specifically made for the HP C8000 Workstation. It is typically available as a refurbished spare part.
Enterprise SysAdmins
High-Performance Computing (HPC)
"The HP 0950-4530 is architected for high-density compute environments requiring 24/7 reliability. It is a robust choice for High-Performance Computing (HPC) where performance and hardware stability are non-negotiable."