areca ARC-1220 PCI-Express x8 SATA II (3.0Gb/s) Controller Card Internal Connectors: Multi-layer SATA connector RAID: RAID level 0, 1, 1E, 3, 5, 6 (if RAID 6 engine supported) and JBOD Cache Memory: 256MB on-board DDR333 SDRAM with ECC protection Operating Systems Supported: Windows 2000/XP (Scsiport Driver) Windows Server 2003 (Scsiport Driver and Storport Driver) Redhat Linux and SuSE Linux FreeBSD Solaris 10x86 UnixWare 7.1.x Netware 6.5 Windows Vista: Works with Windows Vista Parts: 3 years limited Labor: 3 years limited