1. Intel H55 main chipset Intel H55 chipset.
2. Number of CPU slots: 1 CPU slot type: Supports Intel Socket 1156 interface processor.
3. Support Intel Core i7/Core i5/Core i3/Pentium CPU.
4. QPI: QPI (6.4GT/s).
5. Memory type: DDR3 single and dual channel DDR3 1066/1333/1600 memory.
6. Integrated chip: graphics card / sound card / network card.
7. Audio chip: Integrated Realtek ALC six-channel audio chip.
8. Graphics chip: CPU built-in display chip (requires CPU support).
9. NIC chip: Onboard 100M NIC.
10. 6-8 USB ports 4 rear 2-4 front.
11. PCI-E graphics card slot.
12. 2 PCI slots.
13. No FDD slot no IDE slot.
14. PS/2 interface: PS/2 mouse PS/2 keyboard interface.
15. External port: audio interface / VGA interface / network card / LPT print port / COM port.
16. 2~4 SATAII interfaces.
17. Memory slot: 2 x DDR3 DIMM.
18. Micro ATX form factor.
19. Power socket: one 4-pin one 24-pin.

Note:
You should not put the case on the chassis no screws. In order to prevent the goods from meeting your needs you can also return the goods. When testing the installation you need to gently screw up.