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 required 3. 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 . 5. Meticulous workmanship: The meticulous design, perfect in workmanship, and long service time. Product name: Mining machine motherboard Model: ETH79-X5B CPU: Support for XEON E5-26XX LGA2011 V1/V2 series processors Chip: for Desktop H61 Chipset Display: onboard integrated display VGA AST2400 Memory: support 1*DDR3 ECC/normal desktop 1066/1333/1600/1866MHz memory Audio: None Network: Onboard 1*Realtek RTL8105E 100M network card (support Wake on LAN and PXE boot) Storage: Support 1*SATA2.0+1*MSATA2.0 hard disk interface USB: 2*USB2.0+1* front USB2.0 pin Expandable port: support 5*PCIE 16X slot (PCIE X8 GEN3 speed, slot spacing 80mm) PSU power supply: 5*6Pin DC 12V input +5*6Pin DC 12V output Product size: 450mm x 185mm Colour:green Material:PCB+Metal Package Contents: 1 x ETH79-X5B motherboard 1 x E5 2620 CPU 5 cord Note: Due to different production batches, the appearance will be somewhat different, which does not affect the use 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.