Thunderbolt Dock 4 or 5? Comparing Speed, Connectivity, and Other Performance Metrics
Posted by admin on Mar 29th 2026
Is there a correct method for data transfer and connection? Many people consider USB, especially USB‑C, a reliable and widely compatible choice. Others argue that Thunderbolt offers superior performance with faster speeds and greater range. For those leaning toward Thunderbolt, a common question arises: Which is better: Thunderbolt Dock 4 or Thunderbolt Dock 5? And more importantly, does the performance upgrade justify the higher price?
This article will explore the specifications and differences between Thunderbolt Dock 4 and Thunderbolt Dock 5 so you can decide which option is right for your workplace.
What You Need to Know about Thunderbolt 4 Docks
Released in 2020, the Thunderbolt 4 was the highly anticipated successor to 2015’s Thunderbolt 3. Compared to Thunderbolt 3, which could only support one 4K 60Hz display, Thunderbolt 4 was able to support two 4K 60Hz displays simultaneously. It offered compatibility with one 8K display, as well.
Data transfer also improved, with Thunderbolt 4 featuring 32Gbps Peripheral Component Interconnect Express (PCIe), which allows for quick data transfer between electronic devices, and 40Gbps of maximum bandwidth. This type of connection also provided up to 100W of power delivery. As a result, users could connect different devices and ensure that each received sufficient energy.
Rackfinity offers a great selection of Thunderbolt 4 docks. The Lenovo ThinkPad Thunderbolt 4 Workstation Dock is a reliable choice for expanding device connectivity. It features VPro/AMT support, which allows for blazing-fast data transmission. Its silent firmware upgrades ensure that the workstation dock is optimized and ready-to-use.
The Lenovo ThinkPad Thunderbolt 4 Dock includes a variety of ports. Users can connect to four USB-A ports, one USB-C port, one DisplayPort Version 1.4, and one HDMI Version 2.1 port. For audio connectivity, a headphone jack is available as well.
Important Information about Thunderbolt 5 Docks
Announced by Intel in Fall 2023, the Thunderbolt 5 released in 2024. While remaining fully backwards-compatible with previous Thunderbolt generations, the Thunderbolt 5 vastly improved from its predecessor.
For example, it supports 80GBps bi-directional bandwidth and up to 120GBps with Bandwidth boost. This is twice as much as the Thunderbolt 4. In addition, the Thunderbolt 4 supports up to three 4K 144Hz monitors or two 8K 60Hz displays. Depending on your usage needs, this may be worth investing in as 8K 60Hz is the highest quality image for consumer displays.
The Thunderbolt 5 improved upon the Thunderbolt 4’s 100W power delivery as well, with 240W power delivery. This level of power can comfortably support several intensive components.
Similarly, there was an emphasis on GPU performance. Thunderbolt 5 offers 64GBps PCIe, double the Thunderbolt 4. With this boost, users can multi-task efficiently while running multiple high-power devices simultaneously.
Along with Thunderbolt 4, Rackfinity provides an excellent selection of Thunderbolt 5 docks. In particular, the Kensington Thunderbolt 5 Dock can be a wonderful addition to your workplace. It includes three Thunderbolt 5 ports, three USB-A 3.2 ports, a 3.5mm audio jack, and SD/MicroSD card readers.
So, how do you decide which product is right for you? This will depend on your usage requirements. Thunderbolt 5 is faster and more powerful. However, those cables and the components they support are more costly. Alternatively, individuals with less intensive needs can opt for Thunderbolt 4 which is still a strong and reliable choice.
Elevate Your Business with Rackfinity
With Rackfinity, you can elevate your business to its fullest potential. We believe this can be accomplished through the integration of high-quality intelligent technology. Our electronic items and accessories can help optimize and streamline your workspace, making your business more productive and efficient.
We also provide customized installation services. All you need to do is provide an office layout and schedule an appointment time. Our experts take care of the rest so you can focus on your business with minimal downtime.
For more information, please contact us by filling out a short form or call us at 1-800-944-0338. We look forward to working with you!