Why it says Impressive speeds up to 180 MB/s

isn'that thunderbolt speed is up to 10 GB/s because it says Impressive speeds up to 180 MB/s i have 128GB SSD Drive on my MB pro 8GB DDR 1033 Ram 15 inches Laptop...

i think that 180Mb/s speed is like firewire 800

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    Don't confuse interface speed with speed of the storage medium iside.

    The Thunderbolt interface can communicate at 10Gbps (small "b" means bit; large "B" means byte).

    The thrupust is limited by the speed of the drive mechanism. This 7200 RPM drive can deliver up to 180B/sec sustained thru-put over Thunderbolt.

    If this were FireWire 800, speed would be limited to approx 80 MB/sec due to limitations of the FireWire interface, not the drive mechanism.

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