GL850 USB hub with or without capacitors?
Here is the datasheet that includes the schematic for the GL850G SSOP28:

http://www.icpdf.com/GENESYS_datasheet/GL850G-SSOP28_pdf_8319365/GL850G-SSOP28_datasheet.html

The schematic is located on Page 2. The capacitors do indeed appear to be part of a filter between +5V and GND on the USB connectors.