Features: brand new and high quality ETH-HSW2 can use ATX and for DC power supply .When you use ATX power supply, you need to use an adapter to short-circuit the 24pin plug of the power supply. Except RTX3060, all other mainstream mining graphics cards can be used on this motherboard, such as RX580 / RX5500 XT / RX5700 / GTX1660 SUPER / GTX1660 Ti / RTX 2060 2070 3070 3080 3090, etcThis motherboard can mine Ethereum and Shiba Coin. Except for RTX3060, all other mining graphics cards can release normal hashrate on this motherboard. For example, the hashrate of RX580 can reach up to 31MH/s. Mainstream operating systems are supported, such as for windows 10, linux, HiveOS, RaveOS, et. The PCIe slot spacing of ETH-HSW2 is 70mm (2.76in),the large spacing can meet the direct insertion of 6 large-size graphics cards without the need for riser transfer. If you are using RTX 2060 2070 3070 3080 3090 these large size cards, then ETH-HSW2 will be your best choice. Specifications: Type: ETH-HSW2 Graphics card spacing: 6 cards, 70mm spacing Size: approx. 456x127mm/18x5in CPU: for Intel 4 generation dual-core notebook U. Memory support type: supports DDR3 SO-DIMM slot. Hard disk interface of system: 1x mSATA Display interface: 1x HDMI-Compatible USB interface: 4x USB2.0 interface Network interface: for Intel i211at supports 1000M/100M System: for Win 10/Miner OS Number of PCIE slots: 6 xPCIE 16X (PCIE X1 Gen2 Speed) Package Includes: 1Set X ETH-HSW2 motherboard 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!