The Adaptec 2120S supports a range of operating systems (Windows XP/NT/2000, Linux, NetWare, and Caldera) and RAID configurations (0, 1, 10, 5, 50, and JBOD). The Ultra320 SCSI RAID card features a low-profile MD2 form factor. Main FeaturesManufacturer: Adaptec, IncManufacturer Part Number: 2215200-RManufacturer Website Address: www.adaptec.comProduct Type: SCSI RAID ControllerHost Interface: PCIData Transfer Rate: Up to 320MBps SCSI Protocols: Ultra320 SCSIRAID Levels: 0, 1, 5, 10, 50, JBODProcessor: Intel 80302 66MHz Standard Memory: 64MB Ports: 1 x 68-pin VHDCI (mini-Centronics) Ultra320 SCSI - SCSI External, 1 x 68-pin D-Sub (HD-68) Ultra320 SCSI - SCSI InternalForm Factor: PCI Low-profile Plug-in CardDimensions: 2.5\" Height x 6.6\" Width