CISCO - QSFP+ TRANSCEIVER MODULE - MPO MULTI-MODE (QSFP-40G-CSR4). KEY FEATURES : DEVICE TYPE : QSFP+ TRANSCEIVER MODULE FORM FACTOR : PLUG-IN MODULE NETWORKING : CONNECTIVITY TECHNOLOGY : WIRED CABLING TYPE : 40GBASE-CSR4 DATA LINK PROTOCOL : 40 GIGABIT ETHERNET DATA TRANSFER RATE : 40 GBPS OPTICAL WAVE LENGTH : 850 NM MAX TRANSFER DISTANCE : 1310 FT COMPLIANT STANDARDS : IEEE 802.3AE EXPANSION / CONNECTIVITY : INTERFACES : 1 X 40GB ETHERNET - MPO MULTI-MODE COMPATIBLE SLOTS : 1 X QSFP+ CONDITION : BRAND NEW RETAIL BAG. AVAILABILITY : IN STOCK. OUR WARRANTY : 30 DAYS.