Emulex LightPulse LPe31002-M6-F - Host bus adapter - PCIe 2.0 x8 low profile - 16Gb Fibre Channel x 2 - for PRIMERGY CX2560 M5, CX2570 M4, RX2520 M5, RX2530 M5, RX2540 M5, RX4770 M4, TX2550 M5