StarTech ST4200USB

4 Port High Speed USB 2.0 Hub - ST4200USB

There would seem to be multiple versions of this device. This particular model (w/ grey casing) appears to be a Good Way hub.

"HU2140G2 VER:1.1" is silkscreened on the board.
 * The hub is using multiple R.K. caps and all ACON USB connectors.

The power adapter included with the hub may be a DVE DSA-0151A-05A (100-120VAC 50/60Hz 0.4A -> 5VDC 2.4A).