Fujitsu PRAID EP540i - Storage controller (RAID) - 16 Channel - SATA 6Gb/s / SAS 12Gb/s / PCIe - low profile - RAID RAID 0, 1, 5, 6, 10, 50, 60 - PCIe 3.0 x8 (pack of 10) - for PRIMERGY RX2520 M4, RX2530 M4, RX2540 M4, RX4770 M4, TX2550 M4