Fujitsu PRAID EP420i - Storage controller (RAID) - 8 Channel - SATA 6Gb/s / SAS 12Gb/s - RAID RAID 0, 1, 5, 6, 10, 50, 60 - PCIe 3.0 x8 - for PRIMERGY CX2550 M5, CX2560 M5, RX2520 M5, RX2530 M5, RX2540 M5, RX4770 M4, TX2550 M5