It offers a wide range of extension options via 1x PCI Express 2.0 x16 (PEG), 1x PCIe 2.0 x4, 2x PCIe 2.0 x1 and 3x PCI 2.3. In addition there are 2x Gigabit Ethernet, 12x USB 2.0 (2x front, 4x rear, 6x header) and 2x COM (RS232) ports on the back along with two additional COM connectors on the board. Storage media can be connected via six SATA interfaces which have on-board RAID 0/1/5/10 support. Three 5.25" bays, a 3.5" bay as well as a slim-bay (5.25" wide, 3.5" high) offer sufficient space for shock-protected hard disks and hard disk arrays such as the Kontron KISS DA series and DVD drives or the optional Kontron KISS Stor hard disk subsystem with RAID 1 or 0/5 functionality.