Kensington SD5900T Docking Station and Multi-Display Support

The Kensington SD5900T is a hybrid Thunderbolt 4 and DisplayLink docking station designed to expand the connectivity options for Apple’s M-series MacBook computers [1]. By utilizing DisplayLink software, the device allows users to connect up to four 4K external displays to their laptops, providing a significant increase in screen real estate for multitasking [1].

Key takeaways

• The Kensington SD5900T requires the installation of DisplayLink drivers to enable support for up to four 4K external displays [1].
• While M4 MacBook models natively support dual external displays with the lid open, the SD5900T extends this capability for users requiring additional monitors [1].
• Base M1 and M2 chipsets are natively limited to a single external display, making DisplayLink-enabled docks a primary solution for multi-monitor setups [1].
• The SD5900T features a Midnight Blue design intended to complement the aesthetic of various MacBook models, including the M4 MacBook Air [1].

Expanding MacBook Display Capabilities

Apple’s M-series chipsets have varying native capabilities regarding external monitor support. While the latest M4 MacBook Air can natively drive two external displays with the laptop lid open, earlier base models such as the M1 and M2 are restricted to a single external display [1]. The Kensington SD5900T addresses these limitations by acting as a hybrid solution that combines 40Gbps Thunderbolt 4 bandwidth with DisplayLink technology [1].

When the necessary DisplayLink software is installed, the SD5900T allows users to connect up to four external monitors [1]. In this configuration, the MacBook’s built-in screen can remain open as an additional workspace, effectively providing five total screens for the user [1]. This setup is marketed by Kensington as a tool for business professionals and creatives who require extensive screen space for complex workflows [1].

Compatibility and Hardware Considerations

The docking station is part of a broader ecosystem of Kensington solutions tailored to different Apple silicon processors. For instance, while Thunderbolt 4 docks like the SD5900T can support up to four displays via DisplayLink, other hardware options exist for users with different requirements [1]. For example, the SD4790P USB-C dock can support up to three displays, while standard Thunderbolt 4 docks without DisplayLink are generally limited to two external displays [1].

It is important for users to note that performance and display counts depend heavily on the specific MacBook chipset and the docking hardware used [1]. While some high-end M3 and M4 Max chipsets can support up to four external displays natively, the number of displays supported through a single dock is typically capped at two without the use of additional software-driven solutions like DisplayLink [1].