Features: brand new and high quality Maximum Support up to 12Amp / 1800Watts. Electronic on/off switch. Retains its state. Breakout boards is done by connecting the interconnect cable from PSU 1 to PSU2, PSU 2 to PSU 3, and so on. 12 PCIe ports, for 6pin connectors. On-board LED voltage meter display. with Flash LED Function for working. Confirmed Power Supply Compatibility ListHp 500W Flex Slot Power Supply: 720478-B21Hp 800w Flex Slot Power Supply: 865414-B21 720479-B21 720482-B21 865438-B21 865428-B21 754378-001Hp 1400w Flex Slot Power Supply: 733428-101 720620-B21 754383-001 733427-101Hp 1600w Flex Slot Power Supply: 830272-B21 863373-001 830262-001Hp 1800w-2200w Flex Slot Power Supply: 876935-B21 876933-301 882135-001. Specifications: Product Name: Power Supply Breakout Board Adapter for ETH/BTC Mining Output Power: 12V PCB Color: Black Size: approx. 9.9x8.6cm/3.9x3.39in Applicatioin: for mining graphics card power Package Includes: 1 x Board Adapter 1 x 4Pin Cable 1 x sata to 4Pin Cable note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!