Features: brand new 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 Package Includes: 1PC x Motherboard note: 1、The platform needs powerful power. Please make sure your power supply is sufficient to support it(at least 500w power supply) . 2、Please allow 1-3mm differs due to manual measurement. 3、Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.