The 491836-001 is a power supply backplane board designed for the HP ProLiant ML370 G6 and DL370 G6 server models. It mounts on the rear of the power supply cage and facilitates power distribution.
Enterprise SysAdmins
High-Performance Computing (HPC)
"For Enterprise SysAdmins scaling their High-Performance Computing (HPC) stack, the HP / HPE 491836-001 offers tested interoperability and enterprise-grade thermal management."