Rosewill RHUB-210

USB 2.0 4-Port Hub with Power Adapter Product page

"MADE IN CHINA" and "PU20114-3G0B" is silkscreened on the board.
 * The NEC hub controller IC package is marked with "NEC", "720114", and "125E4".
 * The manufacturer (seems to be a Sunrich Technology U-271...) is almost certainly the same as the Rosewill RHUB-300.

The model on the device's label is USB 2.0 4PB.

The power adapter included with the device is an unbranded JD-050-020 (100-240VAC ~ 50/60Hz -> 5VDC 2.0A).