Dell Emulex LPe11002-E 4G Dual Port Fibre Channel PCI-E x4 Network Adapter - KN139 Product Type: Fibre Channel HBA Interfaces / Channels: 2 Optics: Short wave lasers with LC type connector Data Transfer Rate: 4Gb/s (4Gb/s, 2Gb/s or 1Gb/s FC Link speeds automatically detected) Slot Type: PCI Express 1.0a