Dell Pro Smart Dock SD25TB4 Thunderbolt 4 Docking Station
PRODUCT DESCRIPTION
Dell Pro Thunderbolt 4 Smart Dock - SD25TB4 (210-BRKP) - 3 Years Local Warranty
Thunderbolt 4 Speed, Up to Four Displays
The Dell Pro Thunderbolt 4 Smart Dock SD25TB4 connects a laptop over one Thunderbolt 4 cable and drives up to four displays through HDMI 2.1, two DisplayPort 1.4 ports and a USB-C DisplayPort Alt Mode port — up to 2 x 4K at 60 Hz without compression, or up to 4 x 4K at 60 Hz with Display Stream Compression.
Charges the Laptop While It Works
Dell rates the SD25TB4 at 130 W to Dell computers and 96 W to non-Dell computers from its 180 W adapter, with 2.5GbE Ethernet, four 10 Gbps USB-A ports, two 10 Gbps USB-C ports and two Thunderbolt 4 downstream ports on the desk.
Managed Without Touching the PC
As a Dell Pro Smart Dock it can be managed from the cloud with Dell Device Management Console: remote firmware updates without a PC, firmware update on disconnect and port disablement independent of the PC, plus MAC address pass-through, PXE boot and Wake-on-LAN for IT fleets.
Buying for an office roll-out? Email sales@sourceit.com.sg for volume pricing and delivery lead time.
Dell SD25TB4 Datasheet — Technical Specifications
General
| Product Name | Dell Pro Thunderbolt 4 Smart Dock - SD25TB4 |
| Model | SD25TB4 |
| Dell SKU (Singapore) | 210-BRKP |
| Product Line | Dell Pro Smart Docks |
| Local Warranty (Singapore) | 3-Year Limited Hardware Warranty with Advanced Exchange (Dell Singapore), supplied by SourceIT with a GST invoice |
Host Connection
| Host Interface | Thunderbolt 4 (Type-C connector) |
| Host Cable Length | 0.83 m |
| Power to Host | 130 W to Dell computers; 96 W to non-Dell computers |
| Power Adapter | 180 W AC adapter |
Ports
| Thunderbolt | 2 x Thunderbolt 4 (up to 40 Gbps) |
| Video Outputs | 1 x HDMI 2.1; 2 x DisplayPort 1.4; 1 x USB-C 3.2 Gen 2 Multi-function DisplayPort (DP 1.4 Alt Mode) |
| USB-A | 4 x USB-A 3.2 Gen 2 (10 Gbps) with PowerShare (1 front) |
| USB-C | 1 x USB-C 3.2 Gen 2 (10 Gbps), front |
| Ethernet | 1 x RJ45, 10/100/1000/2500 Mbps (2.5GbE) |
| Power to Connected Devices | 4 x USB-A 3.2 Gen 2 (4.5 W each), 1 x USB-C 3.2 Gen 2 (15 W), 1 x USB-C Multi-function DisplayPort (7.5 W), 2 x Thunderbolt 4 (15 W each) |
Video Support
| Maximum Displays | 4 |
| Without Display Stream Compression (DP 1.4) | Up to 4 x QHD (2560 x 1440) @ 60 Hz, 3 x WQHD (3440 x 1440) @ 60 Hz, 2 x 4K (3840 x 2160) @ 60 Hz, or 1 x 5K WUHD (5120 x 2160) @ 60 Hz |
| With Display Stream Compression | Up to 4 x 4K @ 60 Hz, 2 x 6K (6144 x 3456) @ 60 Hz, or 1 x 8K (7680 x 4320) @ 60 Hz |
Management & Security
| Cloud Management | Dell Device Management Console (cloud, no PC required): remote firmware updates, firmware update on disconnect, port disablement independent of the PC |
| IT Features | Intel AMT over Thunderbolt with select Intel vPro PCs, MAC address pass-through, PXE boot, Dock Power Button Sync, Wake-on-LAN, WLAN to LAN switch, Kernel DMA protection |
| Controls | Sleep/wake/power button; remote management LED |
| Lock Slots | 1 x Kensington lock slot, 1 x wedge-shaped lock slot |
Physical
| Dimensions | 205 x 90 x 35.25 mm |
| Weight | 579 g (without adapter) |
Compatibility & Software Support
Supported Operating Systems
Windows 10, Windows 11, Ubuntu 24.04, Red Hat Enterprise Linux 9.6+, ChromeOS 137 and macOS, per Dell.
Host Laptops
Designed for Thunderbolt 4 laptops; full 130 W charging applies to Dell computers, 96 W to non-Dell computers. Video modes depend on the host graphics and port.
Management Software
Dell Device Management Console for cloud firmware and port control; Dell Command Update and Dell Display and Peripheral Manager on the host.
Package Contents & Dell Pro Docks Ordering Information
In the Box
Docking station, power adapter and power cord, documentation (Quick Start Guide; Safety, Environmental and Regulatory Information).
Dell Pro Docks
| Model | Key feature |
| WD25 | USB-C, 100 W to Dell PCs, 130 W adapter |
| SD25 | USB-C smart dock, 130 W to Dell PCs, cloud management |
| SD25TB4 (this listing) | Thunderbolt 4 smart dock, 130 W to Dell PCs |
| SD25TB5 | Thunderbolt 5 smart dock, up to 300 W to Dell PCs |
Datasheet & Downloads
| Dell datasheet | Dell Pro Thunderbolt 4 Smart Dock SD25TB4 Datasheet (PDF) |
| Manuals & drivers | Documents and drivers on Dell Support |
| Dell product page | Product page on dell.com Singapore |
Need a PDF sent directly? Email sales@sourceit.com.sg quoting SD25TB4.
Frequently Asked Questions — Dell SD25TB4
How many monitors can the SD25TB4 drive?
Up to four. Without Display Stream Compression it supports up to 2 x 4K at 60 Hz; with DSC up to 4 x 4K at 60 Hz, 2 x 6K or 1 x 8K at 60 Hz, depending on the host.
How much power does it give my laptop?
130 W to Dell computers and 96 W to non-Dell computers, from the included 180 W adapter.
What is the difference from the SD25TB5?
The SD25TB5 uses Thunderbolt 5, DisplayPort 2.1 outputs, a 330 W adapter and up to 300 W to Dell PCs; the SD25TB4 is Thunderbolt 4 with 130 W to Dell PCs.
Can IT manage it remotely?
Yes. Dell Device Management Console handles firmware updates and port disablement from the cloud, without a PC attached.
What warranty do I get?
3-year Dell Limited Hardware Warranty with Advanced Exchange, supplied locally by SourceIT with a GST invoice.
