If you own an M-series MacBook, you’ll know that it only supports one external monitor natively, however, if you buy the Kensington SD4781P dock, which is discounted 40%, you’ll get a DisplayLink-certified dock that lets you hook up two external UHD monitors, overcoming the MacBook’s limitations.
The standout feature of the SD4781P is the DisplayLink codec. Unlike standard USB-C hubs that lean on your laptop’s built-in video limits, this dock has its own internal processors to drive displays. This allows base-model M1, M2, M3, and M4 MacBooks run two external monitors simultaneously, something they can’t do with standard cables or Thunderbolt docks alone.
The dock comes with four video ports. There are two HDMI 2.0 and two DisplayPort++ 1.2 ports. This layout gives you the ability to mix and match cables without needing adapters. Notably, the dock supports 4K resolution at a full 60Hz on both screens at once, ensuring smooth cursor movement and video playback. Cheaper docks often drop to a laggy 30Hz when two screens are connected.
Another nice feature of the dock is that it provides 100W of charging power through the single host cable. This is enough to fast-charge nearly any modern laptop, including the 16-inch MacBook Pro, ChromeOS devices, or power-hungry Windows workstations, all while simultaneously powering all connected USB accessories.
You can also use this dock as a high performance data center with its six USB ports. On the front of the device, there is a USB-C (10Gbps) and a USB-A (10Gbps) for fast transfers from external SSDs. On the reverse side there are four USB-A (5Gbps) ports for peripherals like keyboards, mice, and printers. Extras include a Gigabit Ethernet port for stable wired internet and a 3.5mm combo audio jack for headsets.
In the box, you’ll also receive a host cable which features a USB-C to USB-A adapter and a secure screw-lock. This means that the dock works with the latest USB4/Thunderbolt 4 laptops as well as legacy USB-A laptops. The screw-lock prevents the cable from being accidentally yanked out in busy workspace environments.
Finally, the Kensington SD4781P comes with 3-year limited warranty which is longer than the 1-year warranty offered by most consumer brands. The outer casing is also made from 73% post-consumer recycled (PCR) plastic, making it a more eco-responsible choice for office setups. It also include dual security slots (Standard and Nano) to physically lock the dock to the desk.
Kensington SD4781P: $143.77 (Amazon US) / MSRP $239.99
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