1. Maximum Support up to 12Amp/1800Watts 2. Electronic on/off switch. Retains its state. 3. Breakout boards is done by connecting the interconnect cable from PSU 1 to PSU2, PSU 2 to PSU 3, and so on. 4. 12 PCIe ports, for 6pin connectors 5. On-board LED voltage meter display Product Name:Power Supply Breakout Board Adapter for ETH/BTC Mining This board is only suitable for HP brand PSU and the following model listed. Output Power:12V Applicatioin:for mining graphics card power with Flash LED Function for working Confirmed Power Supply Compatibility List: For Hp 500W Flex Slot Power Supply: 720478-B21 For Hp 800w Flex Slot Power Supply: 865414-B21 720479-B21 720482-B21 865438-B21 865428-B21 754378-001 For Hp 1400w Flex Slot Power Supply: 733428-101 720620-B21 754383-001 733427-101 For Hp 1600w Flex Slot Power Supply: 830272-B21 863373-001 830262-001 For Hp 1800w-2200w Flex Slot Power Supply: 876935-B21 876933-301 882135-001 Colour:Black Material:Plastic Package Contents: 1 x Board Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.