Supermicro SC813 1U Chassis is optimized for high-end server applications. At a depth of 25.6", this chassis can house extended ATX boards and support a maximum of 2 addon cards (1x Full-height/Full-length and 1x Low-Profile) in certain models.
1U Chassis support for max. motherboard size - 12" x 13" E-ATX
1 x Full-height, full-length PCI expansion slot (with Riser Card)
1 x Low-profile PCI expansion slot (with Riser Card)
Hard drive activity
2 x Network activity
2 x USB & DB9 COM port tray (Optional - in place of floppy drive)