CISCO - SFP+ TRANSCEIVER MODULE 1310-NM WAVELENGTH, EXTENDED TEMPERATURE RANGE (SFP-10G-LR-X). KEY FEATURES : DEVICE TYPE : SFP+ TRANSCEIVER MODULE - LC/PC SINGLE MODE FORM FACTOR : PLUG-IN MODULE CABLING TYPE : 10GBASE-LR DATA TRANSFER RATE : 10 GBPS OPTICAL WAVE LENGTH : 1310 NM DATA LINK PROTOCOL : 10 GIGABIT ETHERNET MAX TRANSFER DISTANCE : 6.2 MILES DESIGNED FOR : CATALYST SWITCH MODULE 3012 FOR IBM BLADECENTER, SWITCH MODULE 3110G FOR IBM BLADECENTER, SWITCH MODULE 3110X FOR IBM BLADECENTER NEXUS 5010 CONDITION : NEW IN CLAM SHELL. AVAILABILITY : IN STOCK. OUR WARRANTY : 30 DAYS.