1. Provide 5 PCI-E slots, which can connect 5 graphics cards for mining.2. BIOS optimization, it can be recognized by inserting 5 cards, no manual adjustment is required3. Compatible with RX580, RTX2060 6GB, GTX2060S, RTX3060, RTX3060TI, RTX3070, RTX3070TI, RTX3080TI, RTX3080, RTX3090TI, RTX3090 graphics cards, etc.4. Quick start, loading and file transfer. Low power consumption, quiet, reliable and durable.5. Meticulous workmanship: The meticulous design, perfect in workmanship, durable and long service time.Product name: Mining machine motherboardModel: ETH79-X5CPU: Support for XEON E5-26XX LGA2011 V1/V2 series processorsChip: for Desktop H61 ChipsetDisplay: onboard integrated display VGA AST2400Memory: support 1*DDR3 ECC/normal desktop 1066/1333/1600/1866MHz memoryAudio: NoneNetwork: Onboard 1*Realtek RTL8105E 100M network card (support Wake on LAN and PXE boot) Storage: Support 1*SATA2.0+1*MSATA2.0 hard disk interfaceUSB: 2*USB2.0+1* front USB2.0 pinExpandable port: support 5*PCIE 16X slot (x8 GEN3 speed, slot spacing 65mm)PSU power supply: 5*6Pin DC 12V input +5*6Pin DC 12V outputProduct size: 350mm x 180mmVirtual HDMI-compatible Dummy Adapter:Product interface: HDMI-compatible male headerResolution: Analog 4K, up to 3840*2160Support system: compatible with all WINDOWS systems, suitable for LINUX MACProduct size: 30x20x10mmColour:black+blueMaterial:PCB+MetalPackage Contents:1 x ETH79-X5 motherboard1 x E5 2620 CPU5 x HDMI-Compatible Virtual Display Adapter(random colors, don't accept the specified color) 1 x 8G DDR3 RAM5 x power cableNote: Due to different production batches, the appearance will be somewhat different, which does not affect the useOnly 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.