Features: brand new 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 РCВ 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) 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.