<ul> <li>2 x PCIe 3 x16</li> <li>1 x PCIe 3 x8 (open ended)</li> <li>2 x PCI3 3 x4 (open ended)</li> <li>1 x PCI</li> </ul> <ul> <li>Front: 4 x&nbsp; USB 3.1 Gen 1 Type A&nbsp;</li> <li>Front: Headset</li> <li>Back: 4 x USB 3.1 Gen 1 Type A</li> <li>Back: 2 x&nbsp; USB 2.0 Type A&nbsp;</li> <li>Back: 2 x PS/2</li> <li>Back: RJ-45 ethernet</li> <li>Back: Audio line in</li> <li>Back: Audio line out</li> <li>Back: Microphone in</li> </ul>