Dell Pro Thunderbolt 4 Smart Dock (DELL-SD25TB4, 210-BRKN) | New
SKU: DELL-SD25TB4-N
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Overview of Dell Pro Thunderbolt 4 Smart Dock (DELL-SD25TB4, 210-BRKN) | New
The Dell Pro Thunderbolt 4 Smart Dock (DELL-SD25TB4, 210-BRKN) is a feature-rich docking station for power users that want extensive peripheral compatibility and lightning-fast networking. It provides powerful multi-display capabilities with up to four 4K screens or more, lightning-fast data transfer speeds and up to 130W power supply to keep laptops charged effectively due to Thunderbolt 4 technology. The dock, which was designed for contemporary hybrid workspaces, easily connects to the Dell Device Management Console, allowing for zero-touch provisioning and remote firmware updates to streamline IT administration. The SD25TB4 guarantees a strong and secure connection with enterprise-grade security features including hardware-based tamper protection and WPA3 encryption. With its ambidextrous USB-C cable routing and compact design, this dock redefines workplace productivity and flexibility.
Key Features of Dell Pro Thunderbolt 4 Smart Dock
• Thunderbolt 4 Interface with two Thunderbolt 4 ports delivering up to 40 Gbps data transfer and support for USB4, DisplayPort 1.4.
• Multi-Display Support with up to four 4K UHD (3840x2160) displays @ 60Hz; supports resolutions up to 8K UHD (7680x4320).
• Power Delivery with up to 130W for Dell laptops and 96W for non-Dell devices via USB-C for efficient charging.
• USB Connectivity with four USB 3.2 Gen 2 Type-A ports and two USB-C 3.2 Gen 2 ports, including a multifunction DisplayPort USB-C.
• Networking with 2.5 Gigabit Ethernet RJ45 port for ultra-fast wired connectivity.
• Enterprise Security includes WPA-3 192-bit Wi-Fi encryption, tamper-resistant hardware encryption and secure remote manageability.
• Remote Manageability that managed through Dell Device Management Console supporting zero-touch provisioning and remote firmware updates.
• Robust Design with ambidextrous USB-C cable routing, rugged USB-C connector and compact form factor for flexible workspace integration.
• Operating System Compatibility supports Windows 10/11, Ubuntu 24.04, Red Hat Enterprise Linux 9.6+ and ChromeOS 137+.
Benefits of Dell Pro Thunderbolt 4 Smart Dock
🗹 Ultra-fast Data Transfers that Thunderbolt 4 ports provide industry-leading bandwidth for data-intensive workflows like video editing and complex multitasking.
🗹 Multiple High-Resolution Displays that boost productivity with support for multiple ultra-high-definition screens for creative or professional use.
🗹 Powerful & Efficient Charging that up to 130W power delivery ensures your devices stay charged during heavy use without adapters cluttering your desk.
🗹 Simplified IT Management that cloud-based remote firmware updates and device management reduce IT overhead and enhance security.
🗹 Secure Enterprise-Grade Connectivity that WPA3 encryption and tamper-resistant hardware safeguard your sensitive data and network access.
🗹 Flexible & Durable that compact dock with ambidextrous cable routing adapts to various desk setups while maintaining durability for daily use.
Specifications
Specifications for Dell Pro Thunderbolt 4 Smart Dock (DELL-SD25TB4, 210-BRKN) | New
| Manufacturer | Dell |
| Manufacturer Part Number | DELL-SD25TB4, 210-BRKN |
| Product Name | Dell Pro Thunderbolt 4 Smart Dock |
| Product Type | Docking Station |
| Docking Interface | Thunderbolt 4 (USB-C Connector) |
| Power Delivery | Up to 130W to Dell commercial notebooks; up to 96W to non-Dell devices |
| Video Ports | 1 × USB-C 3.2 Gen 2 Type-C with DisplayPort 1.4 Alt Mode (Multi-function DisplayPort) |
| 2 × DisplayPort 1.4 ports (HBR3 support) | |
| 1 × HDMI 2.1 port | |
| 2 × Thunderbolt 4 ports (also USB4, DisplayPort 1.4) | |
| Display Support | Up to 4 external displays: |
| Without DSC: Up to 4 × QHD 2560x1440 @ 60Hz | |
| With DSC: Up to 4 × 4K @ 60Hz; up to 1 × 8K UHD (7680x4320) | |
| USB Ports | 4 × USB 3.2 Gen 2 Type-A (10 Gbps, 4.5W each), 1 × USB 3.2 Gen 2 Type-C (10 Gbps, 15W PowerShare) |
| Network | 1 × 2.5 Gigabit Ethernet RJ45 port |
| Security Ports | 1 × Kensington lock slot, 1 × wedge-shaped lock slot |
| Management Features | Remote firmware updates, port disablement, MAC address pass-through, PXE Boot, Wake-On-LAN |
| LED Indicators | Power Button LED, Remote Management LED, RJ45 LEDs |
| Power Adapter | 180W AC adapter |
| Dock Dimensions | 205 mm x 90 mm x 35.25 mm (8.07" x 3.54" x 1.39") |
| Weight | 579 g (1.28 lbs) |
| Cable Length | 0.83 meters |
| Operating Temp Range | 0°C to 40°C (32°F to 104°F) |
| Operating Systems Supported | Windows 10, Windows 11, Ubuntu 24.04, Red Hat Enterprise Linux 9.6+, ChromeOS 137+ |
Frequently Asked Questions
Dell Pro Thunderbolt 4 Smart Dock
Frequently Asked Questions (FAQ's)
What laptops is the SD25TB4 compatible with?
The dock supports any laptop with a USB-C or Thunderbolt 4 port that also supports DisplayPort Alt Mode and USB Power Delivery. For full performance — especially the 130W charging and full manageability features — it works best with compatible Dell commercial laptops (e.g., Latitude, Precision, XPS). Non-Dell laptops will see up to 96W of power delivery.
How many external displays can I connect and what resolutions are supported?
You can support: Up to 4× 4K (3840×2160) @ 60Hz, up to 2× 6K (6144×3456) @ 60Hz, and up to 1× 8K (7680×4320) @ 60Hz (with DSC).
Does it support Mac or non-Windows systems?
Yes, macOS, ChromeOS, Ubuntu and Red Hat Enterprise Linux are listed as supported OSes. However, some advanced features like PXE Boot, MAC passthrough or Intel vPro out-of-band management may only be fully supported on Windows / select Intel systems.
What kind of power adapter and cable does it use?
The dock comes with an integrated cable (USB-C/Thunderbolt) upstream to the laptop and includes a power adapter rated for up to 180W to support full power delivery and connected peripherals.
Can I use the USB-A ports to charge my phone or other devices when the laptop is disconnected?
Yes, the dock supports “PowerShare” on the USB-A and USB-C ports, meaning you can charge devices even when the laptop is not connected or is powered off.
What network performance does the dock provide?
It has an RJ-45 port supporting 2.5 Gb Ethernet (2.5 GbE) for fast wired networking, useful for large file transfers, streaming and corporate LAN environments.
Is the dock manageable by IT departments?
Yes. It supports remote firmware upgrades (no PC required), remote port disablement, wake-on-LAN, MAC pass-through, PXE Boot and other enterprise deploy features via the Dell Device Management Console.
Does it reduce cable clutter?
Yes — by consolidating power, video, data, and network into one upstream cable plus peripherals connected to the dock, it dramatically cuts down on adapter tangle and makes docking/undocking simple.
What are the physical dimensions and design features?
The approximate size is 20.5 cm (height) × 9 cm (width) × 3.52 cm (depth), and weight around ~579 g. Cable direction can be routed left or right to fit your desk setup.
How secure is this dock for enterprise use?
The dock includes tamper-resistant hardware encryption, WPA-3 192-bit WiFi encryption (for managed WiFi docking) and Kernel DMA protection. These features make it suitable for environments where security is essential.
Will the full 130W power delivery work with my non-Dell laptop?
No — although the dock can deliver 130W for Dell systems, non-Dell systems are limited to 96W of power delivery. Still plenty for many modern laptops, but check your laptop’s USB-C PD specification.
Can I mount the dock under a desk or behind a monitor?
While the specification sheet does not list a dedicated mounting kit for this dock, its compact form factor and ambidextrous cable routing make it very desk-friendly. For under-desk mounting you may need a third-party bracket.
Are firmware updates required?
Not mandatory for basic use — but for full enterprise features (remote management, security protections) keeping firmware up to date is recommended. The dock supports firmware update even when the laptop is disconnected.
Is this dock future-proof for next-gen devices?
Yes — with Thunderbolt 4, dual 40Gbps channels, 2.5 GbE, 4K & 8K display support and single-cable docking, this dock is well positioned to serve as a workstation hub for the coming years.
Does the dock support daisy-chaining via Thunderbolt 4?
Yes, the SD25TB4 supports Thunderbolt 4 daisy-chaining, allowing you to connect additional Thunderbolt peripherals such as external storage drives, additional displays (within GPU limits) or other docks in series—without sacrificing performance or stability. This is especially useful in creative and data-intensive environments that require expanded I/O and display capabilities.