StorageReview published a review on the HP Thunderbolt Dock G4
A quote from the article:
The HP Thunderbolt Dock G4 is a multi-port dock solution to help increase security, productivity, and connectivity. The dock is ideal for professionals that simply need more ports and organization at a home or office workspace. The Thunderbolt G4 supports multiple OSs and up to four different 4K displays for those needing crisp details.HP Thunderbolt Dock G4 Review