Connect up to 128 SATA or SAS drives with four internal 12Gb/s SATA and SAS ports | Fit into rack-mounted servers with low-profile form factor and side-mounted SAS connectors | Support critical, high-bandwidth applications with PCIe 3.0 connectivity | Balance protection and performance for critical applications with RAID levels 0, 1, 5, 6, 10, 50, and 60 | Add more protection and peace of mind with optional CacheVault flash cache protection