How to Use: Plug in the power supply, CPU, hard disk, memory stick, display can be used. Specification: Item Type: Mining Mainboard Material: PCB Chipset:For Intelb250chipset Memory: Support 2 x DDR4 Desktop 2133/2400/2666mhz Memory Slots (2 Main Slots, Dual Channel, Does Not Support Ecc Memory) Display: Onboard Nuclear Display High Definition Multimedia Interface/VGA or Pciex16 Expansion Independent Graphics Card Channel: Onboard 1 x RealtekALC662 Sound Card Chip Internet: Onboard 1 x RealtekRTL8111H Gigabit Lan (supports Wake on Lan and PXE Boot) Storage: 3 x SATA3.0 Interface SuperlO：ITEIT8772E Expandable Slot: Support 1 x PCIE16X Slot (x 16GEN3 Speed)+11 x PCIE1X Slot (X1gen1.1 Speed) PSU Power Supply: ATX24PIN+ATX8PIN Motherboard Size:Approx. 281.36 x 170mm / 11.1 x 6.7in Battery:1 x CR2032 Button Battery (not Included) Package List: 1 x Mining Mainboard 1 x Metal Plate 1 x SATA Cable 1 x User Manual Note: Ships without battery.