Intel Integrated RAID Module RMS25KB040 - Storage controller (RAID) - 4 Channel - SATA 6Gb/s / SAS 6Gb/s low profile - 600 MBps - RAID 0/ 1/ 10/ 1E - PCIe 3.0 x8 - for Compute Module HNS2600/ Server Board S2600/ Server System P4308/ R1208