Product Name: Power Supply Breakout Board Adapter for ETH/BTC Miningthis board is only suitable for HP brand PSU and the following model listed.Output Power: 12VApplicatioin: for mining graphics card power1. Maximum Support up to 2200Watts2. 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 connectors5. On-board LED voltage meter display6. with Flash LED Function for workingThis adapter only suitable for the following model of power supply(for HP Brand):For HP 500W Power Supply: 720478-B21;For HP 800W Power Supply: 865414-B21 720479-B21 720482-B21 865438-B21 865428-B21 754378-001;For HP 1400W Power Supply: 733428-101 720620-B21 754383-001 733427-101;For HP 1600W Power Supply: 830272-B21 863373-001 830262-001;For HP 1800W-2200W Power Supply: 876935-B21 876933-301 882135-001;Material:PCB board + plastic + metalcolour:blackPackage Contents:1 * Board Adapter1 * 4Pin Cable1 * SATA to Molex 4Pin CableOnly the above package content, other products are not included.Note: Light shooting 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.