SD25TB4 Dell Pro Thunderbolt 4 Smart Dock - SD25TB4

Manufacturer: Dell
Item Number: SD25TB4
Sub-Partnumbers: DELL-SD25TB4, K23A, K23A002, SD25TB4_130W,
Safety information: Sicherheits- & Herstellerkontakt-Informationen

Common data

Condition: New

Technical Data

Connexion to the laptop: Thunderbolt 4
Connectors: 1x DC-In (Power supply)
1x Ethernet RJ-45 2.5Gbps
1x HDMI 2.1
1x Kensington-Lock
1x USB-C + Data + PowerDelivery
1x USB-C 3.2 Gen 2 + PowerDelivery + DisplayPort
2x DisplayPort 1.4
2x Thunderbolt 4
Max. resolution of external monitors: 1x 8K - 7680x4320 @ 30Hz
1x UHD - 3840x2160 @ 60Hz
2x 4K2K - 4096x2160 @ 60Hz
3x UHD - 3840x2160 @ 60Hz
4x QHD - 2560x1440 @ 60Hz
4x WQHD 3440 × 1440 @ 120 Hz
Delivery includes: AC-Adapter
Manual
Port Replicator
Power cable
Safety Information
USB-C cabel
Included ac-adaptor: 180W
Compatible operating systems: ChromeOS
Linux / Ubuntu
Mac OS
Red Hat Enterprise Linux
Windows 10 (32bit/64bit)
Windows 11
Length / Width / Hight: 20.5 cm / 9 cm / 3.5 cm

Dell Pro Thunderbolt 4 Smart Dock (SD25TB4, 210-BRFL, 180W) – Technical Specifications

Type: Thunderbolt 4 docking station
Compatibility: Dell Latitude, XPS, Precision, and other notebooks with Thunderbolt 4/USB4 port (partially backward compatible with Thunderbolt 3)
Power supply: 180 W power adapter, up to 130 W power delivery for compatible notebooks
Maximum number of monitors: Up to 4 external monitors (depending on notebook GPU and operating system support)
Maximum resolutions:
- Brief summary/simplification (for details, see manual):
  - Without DSC:
    - 1 display: Up to 5K@60Hz
    - 2 displays: Up to 4K@60Hz per display
    - 3 displays: Up to WQHD@60Hz
    - 4 displays: Up to QHD@60Hz
  - With DSC:
    - 1 display: Up to 8K@60Hz
    - 2 displays: Up to 6K@60Hz or 5K@120Hz
    - 3/4 displays: Up to 4K@60Hz or WQHD@120Hz

Please note:

Combinations and actual support depend on the device, connection (HDMI, DP, Type-C) and, if applicable, CPU (for DSC).

Supported technology: Display Stream Compression (DSC), Multi-Stream Transport (MST)

Special features

Supports Dell ExpressCharge and ExpressCharge Boost (faster charging for supported Dell notebooks)
Wired network connection via a single cable
Firmware updates possible via Dell Firmware Update Utility
Wake-on-LAN, PXE boot, MAC address pass-through (on supported Dell devices)
1 × Noble Security Slot / Kensington Slot

Videos & Contributions

Using a laptop with a dock even when it is folded down

In this quick tip we show how you can work with a docking station and an external monitor even when your laptop is folded down.

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Which USB dock connector do I need for my notebook?

To choose the right docking station for your notebook, you should know which USB port you need. In this video, we will go into the differences and special features of the USB ports.

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The "secret" with the power button

Why doesn't my notebook switch on when the docking station is switched on? Why does the power button on the docking station not work? Today we are getting to the bottom of these questions.

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