The ServeRAID M5120 SAS/SATA controller is optimized for high-performance external data storage with integration of dual-core chip architecture, DDR3 1333 MHz cache memory, and PCIe 3.0 host interface. A portfolio of building blocks allows clients to design around a bottoms-up approach and caters to a wide array of storage requirements. Upgrade features such as support for RAID 6/60, performance optimization, and caching with SSDs no longer require a hardware key. They are implemented through Features-on-Demand (FoD) software licenses.