Intel Integrated RAID Module RMS25PB080. Important note: This N SKU has no option for cache backup (No BBU or MFBU connector). Module uses a standard PCIe slot. Intel Xeon E5 server board required. Features include LSI2208 ROC, 8P Internal SAS, MegaRAID SWStack, 1GB DDR3, R0,1,10,5,50,6,60