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 cardMain chipset: for Intel B75 seriesAudio chip: integrated 6-channel audio chipNIC chip: integrated RTL8105EProcessor specifications:CPU socket: LGA 1155CPU type: i3 i5 and i7 seriesMemory specifications:Memory type: DDR3 1066/1333/1600MHz desktop memoryMemory slot: 2*DDR3 DIMMMaximum memory support 8G*2Expansion slot:1*PCI-Ex16 graphics card slot1*PCI-Ex1 slot2*USB2.0 slot (1 set)1*M.2 ports NVME/NGFF hard drives (with PCIE/SATA jumper)2*SATA2.0 interface 1*SATA3.0 interfaceI/O interface:USB universal interface1*RJ45 network interface2*USB2.0 interface2*USB3.0 interfaceAudio portOther parameters:Power connector 4 pin, a 24-pin power connectorPower supply mode 3 itemsSize: Approx. 19 x 17 x 4cm / 7.5 x 6.7 x 1.6inWeight: approx. 542gPackage list:1 x Motherboard1 x SATA cable1 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 down2. Unplug the power cord connected to the motherboard, 24 wires and 4 wires must be removed3. Remove the battery4. Reverse the battery5. Wait 10 seconds6. Install the battery normally7. Connect power8. Boot