USB3.0 high‑speed interface: front and rear dual‑position, dual USB3.0 interface, high transmission rate. DDR3 memory: Fully compatible with DDR3 desktop memory 1066/1333/1600/1866. SATA3.0 high-speed hard disk interface: support SSD solid state drive high-speed transmission. Nuclear High Definition Multimedia Interface HD graphics: HD high‑performance graphics card, support VGA + High Definition Multimedia Interface dual output. After Test : Professional design, your best choice.