Industry's 1st SAS 6Gb/s Hardware RAID Host Adapter to Deliver Best-in-Class Performance Value. RocketRAID 4500 RAID-on-Chip HBA's are optimized for I/O intensive storage configurations. The dedicated ROC processor and 512MB of onboard DDR3 cache memory offloads RAID processing from the host system, ensuring stable and high-performance data transfer. RAID 0, 1, 5, 6 , 10, 50, JBOD Marvell 88RC9580 ROC Processor Optional Battery Backup Module (HighPoint BBU-05) Up to 128 SATA / SAS devices via SAS Expander". "Kits Content: 1. RocketRAID 4522 Controller Card 2. Software CD 3. Low Profile Bracket 4. Quick Installation Guide (QIG) Operating System Support: Windows Server 2003, 2007, 2008 Window Vista, 7, 8. Major Linux Distributions, FreeBSD and Mac OS X 10.5 and newer 3 Year Warranty