Product Name: Power Supply Breakout Board Adapter for ETH/BTC Mining this board is only suitable for PSU and the following model listed. Output Power: 12V Applicatioin: for mining graphics card power 1. Maximum Support up to 2200Watts 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. 12PCIe ports, for 6pin connectors 5. On-board LED voltage meter display 6. with Flash LED Function for working This adapter only suitable for the following model of power supply(for ): For 500W Power Supply: 720478-B21; For 800W Power Supply: 865414-B21 720479-B21 720482-B21 865438-B21 865428-B21 754378-001; For 1400W Power Supply: 733428-101 720620-B21 754383-001 733427-101; For 1600W Power Supply: 830272-B21 863373-001 830262-001; For 1800W-2200W Power Supply: 876935-B21 876933-301 882135-001; Material:PCB board + plastic + metal colour:black Package Contents: 1 * Board Adapter 1 * 4Pin Cable 1 * SATA to Molex 4Pin Cable Only the above package content, other products are not included. Note: Light 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.