ServeRAID-MR10M SAS/SATA Controller is a high performance PCIe RAID Controller for External Direct Attached Storage, including IBM System Storage EXP3000. This RAID adapter provides investment protection by supporting SAS and SATA hard drive configurations, and providing performance enhancements enabled by a standard battery. The battery enables cached data protection during unexpected power outages for ServeRAID-10M when operating in its higher performance, write back, mode. ServeRAID-MR10k SAS/SATA Controller enables x3850 M2 onboard LSI 1078 controller with battery backed DDR2 cache (iTBBwrite back, ability to support additional RAID levels 10, 5, 50, 6, and 60 (as with the onboard 1078, 0 and 1 are also supported).