The ServeRAID M5225-2GB SAS/SATA Controller is a 12 Gb SAS RAID controller with two external connectors to connect to SAS expansion enclosures. The adapter is part of the ServeRAID M Series family, which offers a complete server storage solution that consists of RAID controllers, cache/flash modules, energy packs, and software feature upgrades in an ultra-flexible offerings structure. These products are optimized to deliver performance that is demanded by the ever-growing I/O requirements of today's enterprises. The M5225-2GB is a small form factor PCIe RAID adapter for external storage, and it shares a common set of ServeRAID M Series Features on Demand (FoD) upgrades that are available for the entire family.