CISCO - EXPANSION MODULE + 8 X GBIC (EMPTY) PLUG-IN MODULE KEY FEATURES - DATA TRANSFER RATE : 1000 MBPS - FORM FACTOR : PLUG-IN MODULE - CONNECTIVITY : CABLE - CABLING TYPE : ETHERNET 1000BASE-LH, ETHERNET 1000BASE-LX, ETHERNET 1000BASE-SX, ETHENET 1000BASE-ZX - PLATFORM : PC - DATA LINK PROTOCOL : GIGABIT ETHERNET CONDITION : REFURBISHED. AVAILABILITY : IN STOCK. WARRANTY : 30 DAYS.