3ware 9590SE-16ML PCI Express x4 SATA II (3.0Gb/s) Controller Card Internal Connectors: Multi-lane Connector support up to 16 SATA II Transfer Rate: 3 Gb/s RAID: RAID Levels 0, 1, 10, 5, 50, Single Disk, and JBOD Cache Memory: 256 MB DDR2 400 memory with ECC protection Dimensions: 7.3 x 4.4 Operating Systems Supported: Microsoft Windows 2003/XP/2000, Red Hat Linux, SuSE Linux, Fedora Linux, 2.4 Linux kernel, 2.6 Linux kernel, FreeBSD, 32/64-bit support Parts: 3 years limited