Shuttle PC Barebone System Components Other XH81 No CPU, No Memory, No HDD, No ODD, No Operating System Form Factor: Mini-ITX MB Slots: 1x PCI-Express x1 Slot, 2x Mini PCI-Express Slots SATA: 2x SATA3 Ports, 1x SATA2 Port LAN: 2x Realtek 8111G Gigabit Ethernet Controllers Ports: 2x USB 3.0 Ports (front), 6x USB 2.0 Ports (4 rear, 2 front), 2xSerial Ports, 1x HDMI Port, 1x Display Port, 2x RJ45 LAN Ports, 1x Microphone-in, 1x Headphone-out, Audio I/O Jacks Mfr Warranty: 3 YEAR Equipped with an Intel 8 series Chipset Support up to 5 COM ports Operable in 0-50C environments Support 4K Ultra HD Can be equipped with an optional Trusted Platform Module (TPM 24/7 Certified Support Intel 4th generation Core processors Support 2x Mini-PCIe Slots