ICY BOX 4-in-1 Thuunderbolt 4 Laptop Docking Station. The IB-HUB801-TB4 supports up to two 4K displays at 60 Hz in extended or mirrored mode, a single 8K display at 30 Hz or a 5K ThunderboltT display at 60 Hz. When external high-speed storage is connected, you get read speeds of up to 3000 MB/s. Powerful When it Matters. With 85 watts notebook charging power, the IB-HUB801-TB4 outperforms most comparable ThunderboltT 4 hubs, which usually deliver up to 60 watts in comparison. Daisy Chain is Back. ThunderboltT 4 supports high-resolution displays and high-performance data within one port, as well as connecting your computer to multiple devices via a daisy chain of …..