The Adaptec Series 7 Raid Adapter Family Features Pmcs 24 Port Pm8015 Raid-on-chip (roc), Which Combines A X8 Pcie Gen3 Interface With 6gb/s Sas Ports To Enable A New Generation Of High- Performance Raid Adapters That Are Unmatched By Any Other Roc In The Industry. Adaptec Series 7 Raid Adapters Are Available With 8, 16, Or 24 Native Sas/sata Ports.