Features: and high quality Compact and portable: being so mini and light-weight, this product does not take much space and can be easily taken away. Durable material: This product is made of high-quality material, durable, long service for time, firm and stable in use. Meticulous workmanship: The meticulous design, perfect in workmanship, durable and long service for time. Perfect match: According to the original model design, perfect replacement installation, high-quality components,Support for for Intel XEON E5 2640 LGA 2011 DDR3 ECC REG memory. Quick start, loading and file transfer. Low power consumption, quiet, reliable and durable. Specifications: Model:HUANANZHI X79M PRO Motherboard CPU Socket:Support for Intel 2011 Processors Memory Socket:4xDDR3 Memory Socket Memory Standard:4 slots DDR3 1866/1600/1333 MHz Sata:4xSATA2.0 Interface Extended interface:IO: 1xPS/2 Mouse / keyboard interface. 6xUSB2.0. 1xGigabit Ethernet Card. 3x3.5MMAudio interface;Expansion pin: 1x9pin USB2.0; 1x19pin USB3.0(The rate of 2.0); 1xFront audio output pin Expansion Slots:1xPCI Express3.0X16, 1 PCI ExpressX4, 1xM.2 NVME interface(X4 3.0) Soud Track:ALC662 5.1 Sound Track Network Interface:Gigabit Ethernet Card Power interface:24pin+4pin Fan interface:2 C layer:4 layer, 7Phases Dimension :approx. 240x185mm/9.45x7.28in M-ATX CPU: Processor Series: Xeon E5 2640 (6 cores/12 threads) Main frequency: 2.5GHz Socket type: LGA 2011 3rd level cache: 15MB Technology: 32nm Power consumption: 95W Memory: Type: ECC REG (server memory) Frequency: DDR3 1600MHz Capacity: 16G (2x8G) 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