Overview
The Dell Pro Thunderbolt 5 Smart Dock SD25TB5 is an enterprise docking station that connects compatible computers to high-resolution displays, USB peripherals, wired Ethernet, and external power through Thunderbolt 5. It supports up to four external displays and provides centralized management capabilities for commercial deployments.
Thunderbolt 5 Connectivity
The SD25TB5 uses Thunderbolt 5 over USB Type-C for high-bandwidth host connectivity. Two Thunderbolt 5 ports are provided, supporting compatible peripherals and display configurations while also delivering power to connected devices.
Power Delivery
The dock uses a 330W AC power adapter and can provide up to 300W to compatible Dell commercial notebooks. Dell specifies up to 240W Power Delivery to compatible non-Dell systems that support the required power-delivery capabilities.
Display Connectivity
Video interfaces include two DisplayPort 2.1 ports, one HDMI 2.1 port, and one USB-C multi-function DisplayPort 2.1 port. With Display Stream Compression and compatible systems, supported configurations can reach four 4K displays at 120Hz, two 6K displays at 60Hz, or one 8K display at 60Hz.
USB Connectivity
The SD25TB5 provides four USB-A 3.2 Gen 2 ports and two USB-C 3.2 Gen 2 ports for data connectivity. The USB-C multi-function DisplayPort port also provides display output. Additional Thunderbolt 5 ports provide high-bandwidth connectivity for compatible peripherals.
Network Connectivity
An RJ45 Ethernet port provides 2.5 Gigabit Ethernet connectivity with 10/100/1000/2500 Mbps operation. Supported management and networking functions include Wake-on-LAN, MAC address pass-through, PXE Boot, and WLAN-to-LAN switching on compatible systems.
Enterprise Management
The SD25TB5 supports remote firmware management, host-based firmware updates, firmware updates when disconnected from the host PC, and independent port disablement. Dell Device Management Console provides cloud-based management capabilities including scheduled firmware updates, firmware version control, and peripheral inventory.
Security and System Management
Enterprise security and management features include kernel Direct Memory Access protection and Intel AMT over Thunderbolt with select Intel vPro systems. The dock also includes Kensington and wedge-shaped security slots.
Key Features
- Thunderbolt 5 docking platform with two Thunderbolt 5 ports
- Up to 300W Power Delivery to compatible Dell commercial notebooks
- Up to four external displays with support for 4K at 120Hz configurations
- 2.5 Gigabit Ethernet with enterprise networking functions
- Remote firmware and cloud-based dock management capabilities
Applications
The SD25TB5 is suited to enterprise laptop deployments, managed workstations, multi-monitor environments, high-bandwidth Thunderbolt peripherals, and IT-managed office workspaces requiring centralized connectivity and power.
DC Supplies Product Note
The SD25TB5 is Dell's Thunderbolt 5 Smart Dock generation, adding higher-bandwidth display and peripheral connectivity and substantially higher Power Delivery than earlier Thunderbolt 4 Smart Dock models.
Specifications
| Specification | Details |
|---|
| Brand | Dell |
| Part Number / MPN | SD25TB5 |
| Product Type | Thunderbolt 5 Smart Dock |
| Host Interface | Thunderbolt 5, USB Type-C |
| Power Adapter | 330W AC |
| Power Delivery | Up to 300W Dell systems; up to 240W non-Dell systems |
| Thunderbolt | 2 × Thunderbolt 5 |
| DisplayPort | 2 × DisplayPort 2.1 |
| HDMI | 1 × HDMI 2.1 |
| USB-C DisplayPort | 1 × USB-C 3.2 Gen 2 Multi-function DisplayPort 2.1 |
| USB-A Data | 4 × USB-A 3.2 Gen 2, 10Gbps |
| USB-C Data | 1 × USB-C 3.2 Gen 2, 10Gbps |
| USB-C DisplayPort Data | 1 × USB-C 3.2 Gen 2 with DisplayPort 2.1 Alt Mode |
| USB-A Power | 4 × 4.5W |
| USB-C Data Power | Up to 15W |
| USB-C DisplayPort Power | Up to 7.5W |
| Thunderbolt Power | Up to 15W per Thunderbolt 5 port |
| Ethernet | RJ45 2.5 Gigabit Ethernet, 10/100/1000/2500 Mbps |
| Maximum Displays | 4 |
| Display Support with DP2.1 and Thunderbolt 5 DSC | 4 × 4K 120Hz; 3 × 4K 120Hz; 2 × 6K 60Hz; 1 × 8K 60Hz |
| Display Support with DP1.4 without DSC | 4 × QHD 60Hz; 3 × WQHD 60Hz; 2 × 4K 60Hz; 1 × 5K WUHD 60Hz |
| Management Features | PXE Boot, MAC address pass-through, Wake-on-LAN, WLAN-to-LAN switch, Dock Power Button Sync |
| Cloud Management | Dell Device Management Console |
| Security | Kensington lock slot, wedge-shaped lock slot, kernel DMA protection |
| Operating Systems | Windows 10, Windows 11, Ubuntu 24.04, RHEL 9.7+, ChromeOS 141, macOS |
| Cable Length | 0.83 m |
| Dimensions | L 8.07 × W 3.54 × H 1.39 inches |
| Weight | 1.39 lbs without power adapter |
| Warranty | 3-Year Limited Hardware Warranty with Advanced Exchange |
FAQs
What is the Dell SD25TB5?
The SD25TB5 is Dell's Pro Thunderbolt 5 Smart Dock for centralized display, USB, Ethernet, peripheral, and notebook power connectivity.
How much power can the SD25TB5 deliver?
It provides up to 300W to compatible Dell computers and up to 240W to compatible non-Dell systems.
How many displays can the SD25TB5 support?
The dock supports up to four external displays. Actual resolution and refresh-rate combinations depend on the host system, display interfaces, and Display Stream Compression support.
Does the SD25TB5 support 4K at 120Hz?
Yes. With compatible DP 2.1 and Thunderbolt 5 configurations using Display Stream Compression, Dell specifies support for up to four 4K displays at 120Hz.
Does the SD25TB5 have 2.5GbE?
Yes. The dock includes an RJ45 Ethernet interface supporting speeds up to 2.5Gbps.
Does the SD25TB5 support remote management?
Yes. Dell provides remote firmware management and Dell Device Management Console capabilities for centralized dock administration.
