Important reminder: The color of the slot bottom plate may be different for each batch. The product is continuously optimized and upgraded, and does not affect the normal performance of the product performance and function. Features: 1. USB3.0 high-speed interface: front and rear dual-position, dual USB3.0 interface, high transmission rate. 2. DDR3 memory: Fully compatible with DDR3 desktop memory 1066/1333/1600/1866. 3. SATA3.0 high-speed hard disk interface: support SSD solid state drive high-speed transmission. 4. Nuclear High Definition Multimedia Interface HD graphics: HD high-performance graphics card, support VGA + High Definition Multimedia Interface dual output. 5. Professional design, your best choice. Specification: Motherboard chip: Integrated sound card / network card Main chipset: for Intel B75 series Audio chip: integrated 6-channel audio chip NIC chip: integrated RTL8105E Processor specifications: CPU socket: LGA 1155 CPU type: i3 i5 and i7 series Memory specifications: Memory type: DDR3 1066/1333/1600MHz desktop memory Memory slot: 2*DDR3 DIMM Maximum memory support 8G*2 Expansion slot: 1*PCI-Ex16 graphics card slot 1* PCI-Ex1 slot 2*USB2.0 slot (1 set) 1* M.2 ports NVME/NGFF hard drives (with PCIE/SATA jumper) 2*SATA2 .0 interface 1*SATA3.0 interface I/O interface: USB universal interface 1*RJ45 network interface 2*USB2.0 interface 2*USB3.0 interface Audio port Other parameters: Power connector 4 pin, a 24-pin power connector Power supply mode 3 items Size: Approx. 19 x 17 x 4cm / 7.5 x 6.7 x 1.6in Weight: approx. 542g Package list: 1 x Motherboard 1 x SATA cable 1 x Baffle .Note:1.It is recommended that professionals perform installation.2. When there is no display, no boot, no picture, no network card, no sound card, etc. after the normal installation of the motherboard, it is recommended that the customer restore the factory settings (see the steps for specific methods) or find an eraser to wipe the golden finger of the memory CPU graphics card (Motherboard contact part) to improve the contact environment. 3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Factory Reset Steps: 1. Shut down 2. Unplug the power cord connected to the motherboard, 24 wires and 4 wires must be removed 3. Remove the battery 4. Reverse the battery 5. Wait 10 seconds 6. Install the battery normally 7. Connect power 8. Boot