CATALYST SUP6T 440G/SLOT W/8X10GE,2X40GE Brother Its compact size and light

Its compact size and light weight make it easy to ship

Product Model: WWSSFDSAM

Windows® 2000

Product Name: 40GBASE-LM4 QSFP+ Transceiver - QSFP40LM4FIN-AX

And lastly

CATALYST SUP6T 440G/SLOT W/8X10GE,2X40GE Brother Its compact size and lightCisco Catalyst 6800 Series Supervisor Engine 6T XL Spare With 10GBase X technology, enjoy up to 10Gbps data transfer rate over supported network cable 40 Gigabit Ethernet for efficient data transfer and fast connectivity Optical fiber cable compatible Spans afar and provides speedy data transmission rates between servers and network components Product Type: Supervisor Engine Product Condition: Refurbished Brand Name: Cisco Compatibility: Cisco