4Gbps SW SFP Transceiver
IBM 39R6475, 4240 Mbit/s, Wired, 4Gb Fibre Channel, 1 x SFP (mini-GBIC)
IBM 39R6475. Maximum data transfer rate: 4240 Mbit/s. Connectivity technology: Wired. Data link protocols: 4Gb Fibre Channel, I/O ports: 1 x SFP (mini-GBIC)