DELL Thunderbolt 5 Cable
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About This Item
- Thunderbolt 5 interface with dual Thunderbolt 5 ports
- 4 x USB 3.2 Gen 2 Type-A ports and 1 x USB 3.2 Gen 1 Type-C port
- 1 x HDMI 2.1 port and 2 x DisplayPort 2.1 outputs
- 1 x Gigabit Ethernet LAN port with 2500 Mbit/s data rates
- Supports up to 4 storage drives with 120 Hz refresh rate
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Dell SD25TB5 Thunderbolt 5 Dock
The Dell SD25TB5 Thunderbolt 5 Dock delivers high-speed connectivity and versatile expansion for demanding UK professionals. With Thunderbolt 5 technology supporting up to 300W power delivery and dual 40Gbps ports, this black docking station transforms a single cable into a complete workstation hub.
Technical Specifications
| Metric | Spec |
|---|---|
| Host Interface | Thunderbolt 5 |
| Maximum Resolution | 3840 x 2160 pixels |
| Ethernet Speed | 2500 Mbit/s |
| USB Ports | 1x USB-C, 4x USB-A, 1x USB-C |
| HDMI Version | 2.1 |
| Power Supply | 330W |
High-Speed Thunderbolt 5 Connectivity
The SD25TB5 features two Thunderbolt 5 ports delivering 40Gbps bandwidth each, enabling lightning-fast data transfers and 8K display support. This future-proof technology ensures compatibility with the latest laptops and devices, while maintaining backward compatibility with previous Thunderbolt generations for seamless integration with existing equipment.
Comprehensive Port Selection
With six USB ports including four USB-A and two USB-C connections, this dock accommodates multiple peripherals simultaneously. The 2.5Gb Ethernet port provides stable, high-speed network connectivity, while the HDMI 2.1 port supports 4K displays at 120Hz refresh rates. Two DisplayPort 2.1 outputs enable multi-monitor setups for enhanced productivity.
Power Delivery and Management
Delivering up to 300W of total power, the SD25TB5 can charge laptops and power connected devices while maintaining full performance. The 15W USB Power Delivery supports quick charging for smartphones and tablets. Wake-on-LAN functionality allows remote management, making this dock ideal for IT environments and business users requiring centralized control.
What Is in the Box
- Dell SD25TB5 Thunderbolt 5 Dock
- AC power adapter
- Quick start guide
Things to Check First
- Confirm your laptop has Thunderbolt 5 or compatible ports
- Verify your power requirements match the 330W supply
- Check that your operating system is supported (Windows 10/11, Linux, ChromeOS)
- Ensure your workspace accommodates the 90 x 35.3 x 205mm footprint
Buyer FAQs
What devices are compatible with this dock?
Can this dock support multiple 4K monitors?
Does this dock include a power adapter?
Is there a security feature for this dock?
What is the total carbon footprint of this product?
Our verdict
The Dell SD25TB5 Thunderbolt 5 Dock represents a premium connectivity solution for professionals requiring maximum bandwidth, multiple display support, and comprehensive peripheral expansion. Its 300W power delivery and dual Thunderbolt 5 ports make it future-ready for next-generation devices. Covered by the applicable manufacturer warranty.
| USB 3.2 Gen 1 3.1 Gen 1 Type-C ports quantity | 1 |
|---|---|
| USB 3.2 Gen 2 3.1 Gen 2 Type-A ports quantity | 4 |
| USB 3.2 Gen 2 3.1 Gen 2 Type-C ports quantity | 1 |
| Host interface | Thunderbolt 5 |
| HDMI ports quantity | 1 |
| DisplayPorts quantity | 2 |
| Microphone in | No |
| DC-in jack | Yes |
| USB Power Delivery up to | 15 W |
| DisplayPort version | 2.1 |
| USB Type-C DisplayPort Alternate Mode | Yes |
| Thunderbolt 5 ports quantity | 2 |
| Wake-on-LAN ready | Yes |
| Ethernet LAN data rates | 2500 Mbit/s |
| Ethernet LAN RJ-45 ports | 1 |
| Maximum digital resolution | 3840 x 2160 pixels |
| Number of storage drives supported | 4 |
| Data transfer rate | 1.25 Gbit/s |
| Card reader integrated | No |
| Power supply | 330 W |
| Linux operating systems supported | Yes |
| Other operating systems supported | ChromeOS |
| Mobile operating systems supported | Yes |
| Weight | 632 g |
| Width | 90 mm |
| Depth | 35.3 mm |
| Height | 205 mm |
| Windows operating systems supported | Windows 10, Windows 11 |
| Product colour | Black |
| Cable lock slot | Yes |
| LED indicators | Power |
| Cable lock slot type | Kensington, Noble |
| Quick start guide | Yes |
| Cables included | AC |
| AC adapter included | Yes |
| Quantity per pack | 1 pc(s) |
| Total carbon footprint kg of CO2e | 103 |
| PAIA version | GaBi version 1, 2025 |
| Carbon emissions energy usage kg of CO2e | 38.728 |
| Carbon emissions manufacturing kg of CO2e | 60.461 |
| Carbon emissions logistics kg of CO2e | 1.957 |
| Carbon emissions end-of-life kg of CO2e | 1.854 |
| Distributor SKUs | CP55539, 11890661, W129287992, 210-BRFN, 618808, STD10230710, DELSD25TB5, 127928, 2040068, 360-210-BRFN, 360-DELL-SD25TB5 |





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