Durable material: This product is made of high-quality material, durable, long service time, and stable in use. Quick , loading and file . Low power consumption, quiet, and durable. USB3.0 interface: Instantly experience data speed 10 faster than USB2.0 through plug and play function. High energy heat dissipation, not afraid of high temperature, increase, strong heat dissipation design to the full speed of advanced CPU operation. Perfect match: According to the model design, perfect replacement installation, high-quality components. 1. Display interface: 1xHDMI-compatible, 1xVGA 2. USB rear: 2xUSB2.0 3. USB front: 1xUSB2.0 4. USB rear: 2xUSB3.0 5. USB front: 1xUSB3.0 6. interface: 4xSATA 7. Graphics interface: 12xPCIE1X (USB ) 8. Network card interface: 1xLAN 100M network card 9. Memory slot: 2xDDR3 10. CPU socket: LGA (1155) 11. Chipset: BGA (B75) 12. interface: 1xMSATA 13. BIOS initial restoration: JCMOS 14. Speaker interface: 1SPK 15. Power interface: 24pin_ATXPWR 16. Power interface: 4pin_ATX12V Note: The appearance and color of different batches of products may be different, which will not affect the use. Applicable Type: Desktop Motherboard Architecture: M-Atx Onboard Sound Card: ALC662 color:Black Material:PCB size:23 x 18CM Package Contents: 1 x Motherboard 1 x G540 CPU 1 x DDR3 4GB 1333Mhz RAM(Appearance Random And Color Random, Cannot select specified appearance and color) 1 x SATA Cable(Appearance Random And Color Random, Cannot select specified appearance and color) 1 x RJ45 Network Cable(Appearance Random And Color Random, Cannot select specified appearance and color) 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.