Brand new, opened the box to make sure everything was working and everything was there. It had ever been used. Features: 1. This product is a Celeron CPU 847U/1037U 1.80Ghz mining machine motherboard CPU set, low power consumption, less heat generation, energy saving and safe use. 2. Model : BTC- S37. Chip: HM 77 chip. Memory slot: 8 graphics card plug including HDMI-compatible + VGA + 2 * SATA + mSATA 2.0 + 8 * PCIE 16X( PCIE X1 Gen2 Speed).gigabit network RJ45. 3. Durable use: This mining machine motherboard works actually done for you is lasting and useful. 5. Stabilizing voltage: The voltage stabilizing capacitor can provide a stable voltage for your power supply equipment. 6. Low energy consumption: It can ensure low power consumption, less heat generation, energy saving and safe use. 7. Silent performance: This mining machine motherboard has no noise in the process of working and keeps silent at all times. Specifications: Model:BTC-S37 CPU: Celeron CPU 847U/1037U @1.80Ghz Size: 575*195mm (22.64*7.68in) Memory: 4GB DDR3 Hand Disk: 128GB MSATA SSD Power Supply: 1850 Watt Gold Platinum PSU. Power Cord: National Standard CCC power cord Display Interface: VGA Interface USB post *4 Connecting Line: 8 pure copper 8p power supply lines Fan:4*fans OS: Windows 10 Storage: 1 * SATA 3.0 + 1 * SATA 2.0 + 1 * mSATA 2.0 Expandable board: 8 * PCIE16X + 1 * SATA 3.0 + 1 * SATA 2.0 + 1 * mSATA 2.0