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 LGA2011-3 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 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 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 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.