HP ProLiant DL785 G6 Server - Manual (Page 60)

TIP: For best cable management route the cable to SAS backplane 1 under the power cable at
the power supply backplane and the cable to SAS backplane 2 under other cables in the center
cable routing channel.
High power graphics card cabling
IMPORTANT: Install high powered graphics cards in PCIe 16x slots for optimum performance.
The server can power a maximum of four auxiliary high powered graphics card power
connections.
60 Cabling