Good find 

Heres the full specs:

Model No.:RHB-500

Color:Black

Type:USB

Standards:USB 2.0/1.1

Ports :1 x Upstream, 10 x Downstream

Transfer Rate :1.5/12/480Mbps

Power Input :Self-power mode / BUS-power mode

Power adapter: DC 5V 4A

Hub Dimension:155 x 69 x 28 mm / 6.1" x 2.7" x 1.1" (not including power adapter)

Weight:Unit Weight (not including adapter): 145g / 0.32 Lbs
Power Adapter: 195g / 0.43 Lbs

Warranty:1 Year


http://www.rosewill.com/products/1543/ProductDetail_Specifications.htm