I noticed that one too.. got a mix of USB 2.0 and 3.0... wouldn't work with the Pi right?
according to the specs on their site:
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4 Upstream and down stream USB 3.0 ports. 9 Upstream and down stream USB 3.0 ports. 480mpbs and 5gbps transfer rates with on/off LED indicator with power switch for each port. Supports hot swap plug and play devices.
**Does not need power supply to operate but recommended for high power consumption devices**
Hub weight: 140g
Cable Length 100cm
Power Supply 3.5mm DC 5v jack.
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Can't find the Amps..