Applicable type: desktop computer Motherboard architecture: M-ATX Chipset series: B75 chip CPU socket type: LGA 1155 Supported CPU type: i3 2100/i5 2300/i5 2500; Front-side bus frequency: 1333 (MHz) Onboard sound card: yes Onboard network card; with onboard network card Graphics card: graphics card Support graphics card standard: 1 x PCI Express 16X Supported memory type: 2 x DDR3 Hard disk interface: 1 x SATA3.0, 3 x SATA2.0 Number of USB interfaces: 6 Product weight: 1.4KG (KG) Memory channel: dual channel Maximum memory capacity: 16GB Number of supported network cards: 1 Material: ABS colour: dark gray Package Contents: 2 x B75 computer motherboard Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.