Features: and high quality Perfect match: According to the original model design, perfect replacement installation, high-quality components,Support for for Intel Xeon E5 LGA2011 RECC NON-ECC memory. Quick start, loading and file transfer. Low power consumption, quiet, reliable and durable. Durable material: This product is made of high-quality material, durable, long service for time, firm and stable in use. Compact and portable: being so mini and light-weight, this product does not take much space and can be easily taken away. Meticulous workmanship: The meticulous design, perfect in workmanship, durable and long service for time. Specifications: Model:HUANANZHI Item Type: X79 GREEN Motherboard Mainboard Type: ATX Graphics Card Slot: 2xPCI-E 3.0 16X 1xPCI-E3.0 1X 1xPCI-E3.0 4X Integrated Video Card: NO Power Supply: 7 power supply PCB Layers:8 Ethernet: Gigabit CPU Type: LGA2011 (XEON E5 2620/2630/2640/2650/2660/2665/2670/2680/2690 C2&V2) Memory Slot: 4xDDR3(4 channel) Memory Capacity Peak: 32Gx4 DDR3 Memory Speed: 1866/1600/1333 Memory type supported: non-ecc/reg ecc/ecc Sata Interface: SATA3.0x2 SATA2.0x4 USB Interface: USB3.0x4 USB2.0x10(including expansion) for M.2 Interface: for M.2 NVME+M.2 NGFF Audio port:7.1 channel Size: approx. 282x220mm /11.10x8.66in Note: 1The platform needs powerful power. Please make sure your power supply is sufficient to support it(at least 500w power supply) . 2Please allow 1-3mm differs due to manual measurement. 3Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. Package includes: 1PC x Motherboard