FireWire 标准还定义了许多不同的可能速度，但是实际上，无论何时人们说到 FireWire，他们都是指“FireWire400”，它支持最高达 400 Mbit/s 的传输。

The FireWire standard also defines a number of different possible speeds, but in reality, whenever people say FireWire, they mean "FireWire400," which supports transfers up to 400 Mbit/s.

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到现在为止，USB 3.0传输最高速度达到200MB/s，当使用一个快速的SSD卡。

So far, USB 3.0 transfers top outat around 200 MB/s when using a fast external SSD.

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通常给出的最高速度是下行100兆每秒(下行就是数据从网络到你)，上行速度50兆每秒(你传输数据到网络)。

The maximum speed is usually given as 100 megabits per second downstream (from the network to you) and 50 megabits per second upstream (back to the network).

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