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MAREA undersea cable between the US and Spain cost
Photo: Taiwankengo · CC BY-SA 4.0

How much did the MAREA undersea cable between the US and Spain cost?

6,600 km fibre-optic cable by Microsoft and Meta

💡 6,600 km of fibre-optic cable on the seabed, about as thick as a garden hose. Laid by specialised cable ships.

Answer

€146M

€146,000,000 · Construction cost · 2017

Over 95% of intercontinental data traffic runs through undersea cables. Per kilometre, that's cheaper than many roads.

About US$165M, converted at the 2017 rate.

Source: Microsoft / Telxius (via Wikipedia)

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