IBM 10Gb SFP+ LR. Interface type: SFP+, Data transfer rate (max): 10000 Mbit/s, Networking standards: IEEE 802.3, IEEE 802.3ab, IEEE 802.3ae, IEEE 802.3u. Operating temperature range (T-T): 0 - 70 °C, Storage temperature range (T-T): -10 - 80 °C, Operating relative humidity range: 0 - 70 %