Razer Thunderbolt 4 Dock review: a simple and particularly efficient USB-C hub/docking station

Razer Thunderbolt 4 Dock review: a simple and particularly efficient USB-C hub/docking station

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Design & Ergonomics

The Razer Thunderbolt 4 Dock is a MacBook-style aluminum pad. It measures 19 cm wide and 7.4 cm deep for a thickness of 2.7 cm. It is accompanied by a 135 W charger with more contained dimensions (23 x 6.8 x 1.3 cm). An 80 cm white Thunderbolt 4 standard cable connects the docking station to a computer.

Razer Thunderbolt 4 Docking Station 135W USB-C Charger

The 135W charger is a bit more compact than the dock.

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The all-aluminum housing is particularly neat. The Thunderbolt 4 port in USB-C format on the front panel allows you to connect a PC. There is also the card reader and a mini-jack socket for headphones. A Kensington port covers the left side of the case, while the rest of the connections are located on the back (three USB ports, three Thunderbolt ports, an Ethernet port and the power socket).

dock razer thunderbolt 4 usb-c 4.0 hub docking station framework laptop

The shade of the Razer Thunderbolt 4 Dock matches perfectly with the Framework Laptop.

The standards supported by the Thunderbolt 4 dock are at the forefront of current connectivity. The three USB-A ports are thus compatible with the USB 3.2 Gen2 standard (i.e. 10 Gb / s) and the SD card reader with the UHS-II standard (312 MB / s). Flat for the Ethernet port which reaches “only” the Gigabit. Finally, the four Thunderbolt 4 ports in USB-C format theoretically collect 40 Gb / s. Note that all USB-C ports are compatible with charging up to 100 W.

razer dock thunderbolt 4 usb-c docking station

The front face goes to the essentials.

As for displays, the Thunderbolt 3 and 4 standards can “only” support two 4K displays at 60Hz or one 8K display at 30Hz. Apple M1 owners beware, you can only extend the display to a single external screen. To overcome this limitation, you will need to equip yourself with a DisplayLink compatible hub.

We would also have liked Razer to integrate full-format DisplayPort ports, which are more common than USB-C/DisplayPort cables. Another other major absence, the HDMI interface is simply absent.

Razer RJ45 USB-C Thunderbolt 4 Docking Station

We would have liked an effort on the alignment of the ports.

The passage under our thermal camera does not reveal any abnormal heating of the docking station. The surface does not exceed 33°C, even after a day of work and various and varied stresses.

thermal camera razer thunderbolt 4 dock usb-c docking station

No overheating to report.

Editor's Rating: 5 out of 5

Performance

To test the Razer Thunderbolt 4 Dock, we hooked it up to two 4K displays, a Crucial X8 external SSD, a dongle Logitech Unify, an Ethernet cable, and an SD card of up to 300MB/s.

USB-C Speed ​​Thunderbolt 4 Razer Docking Station

Speeds obtained on the various ports of the Razer Thunderbolt Dock 4.

The three USB 3.2 Gen2 (10 Gb/s) ports allow our external SSD to reach average speeds of 980 MB/s in reading and writing, which is very close to the theoretical speeds. As for the Thunderbolt ports, this time we reached 1002 MB/s. In truth, we couldn’t saturate these ports and it was therefore our external SSD which happened to be the limiting factor. Normally, Thunderbolt 4 ports should allow for a theoretical maximum of 2750MB/s.

The Gigabit port is slightly below what the interface offers. We measured 816 Mb/s (102 MB/s) on average during a data transfer.
The UHS-II standard SD card reader allowed us to reach an average of 243 MB/s in reading and writing, speeds once again slightly down since our SD card is capable of reaching 300 MB /s read and write.

The connection in DisplayPort to two monitors with a definition of 3840 x 2160 pixels at 60 Hz did not pose a problem and allows you to work in multi-screen serenely.

Strong points

  • Design completed.

  • Significant flows.

  • UHS-II card reader.

Weak points

  • No HDMI socket.

  • No full-frame DisplayPort.

  • RJ45 socket “only” to the Gigabit standard.

Conclusion

5 stars by LesNumériques.com
Global mark

Editor's Rating: 5 out of 5

How does grading work?

The Razer Thunderbolt 4 Dock delivers serious speeds across all onboard interfaces. Razer is however timid on the network port limited to the Gigabit standard, while the 2.5G standard is beginning to become more popular on operator boxes. In addition, the absence of full format HDMI and DisplayPort ports requires conversion cables.

Sub Notes

  • Design & Ergonomics

    Editor's Rating: 5 out of 5

  • Performance

    Editor's Rating: 5 out of 5

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