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 LGA2011-3 All Series DDR4 RECC 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-ZD4 V1.1 Motherboard CPU Socket：Support for Intel LGA2011-3 Xeon Main chipset: B85 Memory Socket：4xDDR4 Memory Socket Memory Standard：Support Four Channels DDR4 2400/2133/1866 MHz Maximum Memory Capacity 4"32G SATA：4xSATA3.0 Interface; 2xSATA2.0 Interface Extended interface：IO: 2xUSB3.0, 6USB2.0, 1xGigabit Ethernet Card, 33.5MMAudio interface; Expansion pin: 1x9pin USB2.0; 1x19pin USB3.0; 1xFront audio output pin Expansion Slots：1xPCI Express3.0X16, 1xPCI Express2.0X1, 1xPCI Express3.0X4, 1 for M.2 NVME (X 43.0), 1 for M.2 NGFF(SATA3.0) Soud Track：ALC887 7.1 Sound Track Network Interface：RTL8111G Gigabit Ethernet Card Power interface：24pin+8pin Fan interface：3 РCВ layer：10 layer, 6Phases Dimension ：approx. 242x242mm/9.53x9.53in M-AТX 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.