The ServeRAID M5225-2GB SAS/SATA Controller is a small form factor PCIe adapter that provides two (x4) external mini-SAS HD connectors with eight lanes of 12 Gbps SAS and eight lanes of PCIe 3.0 to facilitate high data transfer rates. The controller boasts several standard features including RAID 0/1/5/10/50, 2 GB of 72-bit 1866 MHz DDR3 cache to enhance performance, and flash-backed-cacheoffload, which allows clients to have an extended-life energy source for cached data protection in their storage subsystem. Additional upgrades are available to optimize SSD performance, support RAID Levels 6 and 60, and add SSD caching support.