100% brand new and high quality Features: Perfect match: According to the original model design, perfect replacement installation, high-quality components,Support compatible with for Intel XEON E5 LGA2011-3 All Series DDR4 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 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 time. Specifications: Model:HUANANZHI X99-8M-F Motherboard CPU Socket:Support Intele 2011-3 Processors Main chipset: H81 Memory Socket:2xDDR4 Memory Socket Memory Standard :Support Dual channels DDR4 2400/2133/1866 MHz SATA:4xSATA3.0 Interface Expansion Slots:IO: 1xPS/2 Mouse / keyboard interface, 2xUSB3.0, 4 USB2.0, 1xGigabit Ethernet Card, 3x3.5MMAudio interface;Expansion pin: 2x9pin USB2.0; 1x19pin USB3.0; 1 Front audio output pin Extended interface: 1xPCI Express3.0X16, 1xPCI ExpressX4, 1xPCI ExpressX1, 1xM.2 NVME Interface Soud Track:ALC662 5.1 Sound Track. Network lnterface:RTL8111H Gigabit Ethernet Card Power interface:24pin+8pin Fan interface:3 PCB ayer :8 layer PCB, 6 Phases power supply Dimension:approx. 237x180mm/9.33x7.09in M-ATX 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