GL850G-SSOP28 datasheet - Ferrites values?
There is a design for an RPi HUB here and that uses the same chip and has ferrite beads in several of the same places (from my quick look). The FB part on this link is described as 600R/0.5A if that's any help: -



Here's another reference design that uses the same FB: -



You can get one from here: -



Nothing beats getting the data from the original designer though.