Optional Peripherals Automation Control ORing Network Communication Healthcare Panel PC Solution Automation Panel Solutions IEIMobile Solutions Industrial System TANK-800-D525/820-H61-2017-V10 The maximum total power of the backplane to support expansion cards is 45 W Backplane Slot TANK-800 TANK-820 Signal Signal HPE-3S6 (2P1E) HPE-3S7 (1P2E) TANK-800-D525 820-H61 Fanless PCI/PCIe Expansion Dual GbE DDR3 1333 RS-232 TANK-820 Reset AT/ATX Mode Power Switch ACC Mode TANK-800 Front IO