StarTech.com Cisco QSFP-H40G-CU3M Compatible QSFP+ Direct-Attach
Twinax Cable - 3 M

Copper - A metal element with a chemical formula of CU. A excellent conductor of electricity and heat.

Warranty - A service provided by the retailer or manufacturer to ensure a device works for a period from new

Cable - A series of wires bonded to form a single thread

Fiber - Also known as fibre is a class of material similar to a length of thread. Fiber Optics are used in computer communications. Natural fibers are used in clothing maufacturer and many other applications.

Alternative - Another available choice or possibility

Warranty - A purchasers guarantee from the manufacturer for replacement/fix of goods when faulty.

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