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ShopPortable Docking stationsDELL Pro Thunderbolt 4 SD25TB4 Wired Black
DELL Pro Thunderbolt 4 SD25TB4 Wired Black
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DELL Pro Thunderbolt 4 SD25TB4 Wired Black

£296.70

£356.04 inc. VAT

In Stock(275)MPN: DELL-SD25TB4
🚚 Next-day delivery £4.95
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Key Features

Dell Pro Thunderbolt 4 Smart Dock SD25TB4
Docking station
Thunderbolt 4
HDMI, 2 x DP, USB-C, 2 x Thunderbolt 4
1GbE, 2.5GbE
180 Watt
BTO
with 3 years Basic Hardware Service with Advanced Exchange after remote diagnosis

Product Overview

AI-generated summary

The Dell Pro Thunderbolt 4 SD25TB4 is one of those “buy it once, stop thinking about it” docks—provided you’re in the right setup. If you’ve got a business laptop with Thunderbolt 4 and you care about stable, high-quality connectivity (especially for demanding peripherals and multiple monitors), this is a sensible option. In the UK market, £296.70 ex-VAT isn’t cheap, but it’s roughly where you start paying for reliability, firmware consistency, and the sort of day-to-day docking experience your users won’t complain about every Friday.

That said, I wouldn’t buy it just because it’s “Thunderbolt” if you don’t actually need Thunderbolt-level bandwidth, or if your laptop only supports USB-C (non-TB). Also, if you’re expecting a lightweight portable dock to throw in a bag and forget—this is a wired dock, so it’s more “desk/office” than travel-first. Value-wise, it makes the most sense for small teams or businesses standardising on Dell/Thunderbolt-capable laptops, where uniformity and fewer docking headaches are worth paying for. If you want, tell me your laptop model and how many displays you need—then I can say whether this price is a good fit or if there’s a better-value alternative.

Why This Product

Engineered for success

Engineered for success

Maximise your AI PC productivity by seamlessly using Gen AI tools across up to four 4K 60Hz displays, staying powered with up to 130W power delivery, and connecting all your peripherals effortlessl...

Most manageable and secure

Most manageable and secure

Elevate the IT management experience by directly managing your smart docks from the Dell Device Management Console – no PC connection or software required. Most manageable commercial dock Reduce I...

Connect your way

Connect your way

Configure your workspace to your liking with an ambidextrous USB-C cable that can be routed left or right.

Designed for sustainability

Designed for sustainability

The Dell Pro Thunderbolt 4 Smart Dock is built with at least 65% post-consumer recycled materials and packaged with 100% recycled or renewable packaging.

Specifications

Ports & interfaces

Connectivity technologyWired
Host interfaceThunderbolt 4
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity4
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity2
PowerShareY

Network

Ethernet LANY
Ethernet LAN (RJ-45) ports1
Ethernet LAN data rates2500 Mbit/s
Wake-on-LAN readyY

Performance

Card reader integratedN
HD type8K Ultra HD
Maximum digital resolution7680 x 4320 pixels
Number of displays supported4
Cable lock slotY

Power

Power source typeDC
Power connectorUSB Type-C
Power supply180 W

Software

Windows operating systems supportedWindows 10,Windows 11
Mac operating systems supportedY
Linux operating systems supportedY
Other operating systems supportedChromeOS

Operational conditions

Operating temperature (T-T)0 - 35 °C
Storage temperature (T-T)-20 - 60 °C
Operating relative humidity (H-H)10 - 80 %
Storage relative humidity (H-H)5 - 90 %

Weight & dimensions

Width90 mm
Depth35.25 mm
Height205 mm
Weight579 g

Packaging data

Quantity per pack1 pc(s)

Carbon Footprint

Lifecycle CO₂ emissions — helping you make sustainable procurement decisions

93.6
kg CO₂e total
Manufacturing
30.0456 kg (32%)
Logistics
1.9656 kg (2%)
Energy Use
60.4656 kg (65%)
End of Life
1.1232 kg (1%)

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