GoUSB brings our new All-in-one USB 3.0 HUB and Card Reader which combines a two essential USB accessories into one convenient device.
Expands one USB port into three additional USB 3.0 ports to connect devices to desktop and notebook computers.
Transfer files from USB 3.0 devices at up to 500MB/s
Backwards compatible with USB 2.0
USB Card Reader Supports TF, SD, Micro SD, MMC, MS Duo, M2
Use coupon code 'ozbargain' at checkout for special pricing.
Should provide more information.
Is this self-powered or external powered?
Where did you get the 500MB/s number from? I doubt that it's the real life performance, which is what should be quoted rather than the unreliable, supposed theoretical maximum.