Dell 

DELL-SD25TB4 DELL PRO THUNDERBOLT 4 SMART DOCK - SD25TB4

Mfg Part Number:  DELL-SD25TB4  
Image may not reflect the actual item.
Price: $422.72
Quantity:
In Stock: 4316
Last Updated: Jan 17, 2026
No Sales Tax except these states
, PO and Wire.

Premium user experiences

Create a high-resolution multidisplay set up with native support for up to four 4K 60Hz displays. Experience faster network and USB speeds and expanded USB-A ports with PowerShare, to keep your devices charged without the need for PC power.

Accelerate your AI PC productivity

Multi-task with ease using the latest Gen AI tools and drive up to 130W of best-in-class power to new Dell Pro Premium and Dell Pro Max Notebooks (and 96W to non-Dell PCs). Experience top-tier device performance with two Thunderbolt 4 ports.

A leader in sustainable innovation

Built with at least 65% postconsumer recycled materials4 and packaged with 100% recycled or renewable packaging.

Thoughtful design

Configure your workspace with an ambidextrous USB-C cable that can be routed left or right. Features a new robust USB-C connector, designed for enhanced durability.

Most secure smart dock

Keep users working confidently with enterprise-grade WPA-3 192- bit encryption for secure Wi-Fi communication. Safeguard your sensitive data with tamperresistant, hardware-based encryption built in.

Most manageable dock

Remotely manage your Dell Pro Thunderbolt 5 Smart Docks without end-user presence from the Dell Device Management Console - the industry's first holistic peripheral management solution that configures, deploys, and updates smart docks over secure Wi-Fi.2 Out-of-band management available for selected Intel vPro® PCs with Intel® AMT via connected dock.

Elevate IT efficiency | Simplify PC workspace management at scale | World's most manageable docks

Multiply efficiency across your fleet. Manage your Dell Pro Smart Docks remotely from the Dell Device Management Console. No additional software or PC connection required completely reimagines IT efficiency.

The industry's most holistic cloudbased PCs and peripheral management platform2 provides a unified experience managing Dell docks, displays and PC accessories - all in one place.

Modernization made easy

Secure sign-on (SSO) with Microsoft Intune makes it easy to bring the entire fleet into view, with no added complexity to the workday. Automating tedious tasks frees IT time and resources to innovate for the future.

Uninterrupted productivity

Reduce IT efforts by scheduling updates during off-hours, while ensuring fleetwide firmware compliance and eliminating end user interruptions.

World's most secure smart docks

Designed to keep users working confidently, Dell Pro Smart Docks feature enterprise-grade WPA-3 192-bit encryption for secure Wi-Fi communication, as well as tamper-resistant, hardware-based encryption to safeguard sensitive data.

Layer on security with port disablement via the management console

Designed for sustainability

The new generation of Dell Pro Thunderbolt 4 Smart Docks reflect a commitment to sustainable design innovation to reduce their environmental impact

Sustainably crafted

Designed with up to 65% postconsumer recycled (PCR) plastic, with 2 types of recycled materials in the chassis and bumpers

Eco-conscious packaging

Dell Pro Thunderbolt 4 Smart Docks are packaged with 100% recycled or renewable packaging to reduce packaging waste.

Seamless transitions

Asset Recovery Services help you responsibly and securely retire your legacy IT equipment, regardless of brand, while addressing your sustainability goals.

Main Specification
General Information
Manufacturer Dell Technologies
Manufacturer Part Number DELL-SD25TB4
Manufacturer Website Address http://www.delltechnologies.com
Brand Name Dell
Product Model SD25TB4
Product Name Pro Thunderbolt 4 Smart Dock SD25TB4
Product Type Docking Station
Technical Information
Connectivity Technology Wired
Charging Capability Yes
Device Supported Desktop PC
Device Supported Notebook
Cable Length 2.72 ft
Features Power Delivery Pass-through
Features LED Power Indicator
Management Features PXE Boot
Management Features Kernel Direct Memory Access (DMA) Protection
Management Features MAC Address Pass-through
Management Features Dell Command Update (DCU)
Management Features Dock Power Button Sync
Management Features Port Disablement
Management Features Intel AMT over Thunderbolt with select Intel vPro PCs
Management Features Wake-on-LAN
Management Features WLAN to LAN Switch
Number of Displays Supported 4
Screen Mode Supported WQHD @ 60Hz
Screen Mode Supported 5K @ 60Hz
Screen Mode Supported 6K @ 60Hz
Screen Mode Supported QHD @ 60Hz
Screen Mode Supported 4K @ 60Hz
Screen Mode Supported 8K @ 60Hz
Supported Resolutions 3840 x 2160
Supported Resolutions 7680 x 4320
Supported Resolutions 3440 x 1440
Supported Resolutions 5120 x 2160
Supported Resolutions 2560 x 1440
Supported Resolutions 6144 x 3456
Maximum Data Transfer Rate 1.25 GB/s
Security Slot Type Kensington Security Slot
Power Delivery 96W (non-Dell Systems)
Power Delivery 130W (Dell Systems)
Video Resolution Details 6K - 60 Hz (Dual Display)
Video Resolution Details WQHD - 60 Hz (Triple Display)
Video Resolution Details 4K - 60 Hz (Triple Display)
Video Resolution Details 4K - 60 Hz (Dual Display)
Video Resolution Details 8K - 60 Hz (Single Display)
Video Resolution Details 4K - 60 Hz (Quad Display)
Video Resolution Details QHD - 60 Hz (Quad Display)
Video Resolution Details 5K - 60 Hz (Single Display)
Network & Communication
Ethernet Technology 2.5 Gigabit Ethernet
Interfaces/Ports
Host Interface Thunderbolt 4
Total Number of USB Ports 6
USB Type-A Yes
Number of USB 3.2 Gen 2 Type-A Ports 4
Number of USB Type-A Ports 4
USB Type-C Yes
USB Type-C Detail 1 x USB-C 3.2 Gen 2 (15W), 1 x USB-C Multi-function DisplayPort (7.5W)
Number of USB Type-C Ports 2
Network (RJ-45) Yes
DisplayPort Yes
Number of DisplayPorts 2
DisplayPort Version 1.4
HDMI Yes
Number of HDMI Ports 1
HDMI Version 2.1
Thunderbolt Yes
Thunderbolt Ports Quantity 2
Number of Thunderbolt 4 Ports 2
Software
Operating System Supported ChromeOS 137
Operating System Supported Windows 11
Operating System Supported Red Hat Enterprise Linux 9.6
Operating System Supported macOS
Operating System Supported Ubuntu 24.04
Operating System Supported Windows 10
Power Description
Maximum Power Supply Wattage 180 W
Power Source Type Power Adapter
Physical Characteristics
Height 8.07"
Width 3.54"
Depth 1.39"
Weight (Approximate) 1.28 lb
Miscellaneous
Kensington Security Slot Yes
Post-consumer-waste% 65%
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
[0] [true] [Yes] [No] [No]