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by wtallis 5587 days ago
Check out the Wikipedia page for DisplayPort, as it has a good explanation of the bandwidth requirements for video.

It lists 2560x1600x30bpp @ 60Hz as using just over 8Gbps, so any one consumer monitor will work fine over Thunderbolt.

The 17.28Gbps speed would only be needed for multiple monitors or a high-resolution, high-color-depth, high-refresh or 3D monitor. Thunderbolt and full-speed DisplayPort both have enough aggregate bandwidth for four 1080p streams.