IBM ServeRAID 6i - RAID controller - Ultra320 SCSI - PCI-X Manufacturer Warranty 3 years warranty Dimensions (WxDxH) 7.5 in x 2.3 in Weight 0.4 lbs System Requirements Microsoft Windows NT 4.0, Novell NetWare 5.1, Microsoft Windows 2000 Server, Microsoft Windows 2000 Advanced Server, Microsoft Windows 2000 Professional , IBM OS/2 Warp Server for e-business, Caldera OpenUnix 8, Novell NetWare 6, Caldera OpenLinux Server 3.1.1, Caldera OpenLinux Workstation 3.1.1, Red Hat Linux Professional Edition 8.0, Red Hat Linux Advanced Server 2.1, SCO OpenServer 5.0.7, SuSE Linux 8.1 Professional, SuSE Linux Enterprise Server 8, Microsoft Windows Server 2003 Enterprise Edition, Microsoft Windows Server 2003 Standard Edition, UnixWare 7.1.3, Red Hat Linux 9 Professional Device Type Storage controller (RAID) - RAID - plug-in card Data Transfer Rate 320 MBps Interface(s) Required PCI-X / 133 MHz Controller Interface Type Ultra320 SCSI Max Storage De