SD25TB5 / WD25TB5 with up to 300W Power Delivery
Complete docking station specifications and compatibility details
Docking Station Details
Complete specifications and features
Dell Pro Thunderbolt 5 Smart Dock SD25TB5 and Dell Pro Thunderbolt 5 Dock WD25TB5 are next-generation docking stations built on Thunderbolt 5 technology. They support ultra-high bandwidth display output up to 8K and 4K@120Hz with Display Stream Compression, dual Thunderbolt 5 ports, DP 2.1 support, and extremely high power delivery up to 300W for Dell commercial notebooks.
Model Differences
SD25TB5 is positioned as a Smart Dock for enterprise environments with enhanced manageability and smart deployment features, while WD25TB5 is marketed as a standard Pro Dock. Hardware specifications, display capabilities, ports, and power delivery are otherwise identical.

Specifications
Display Support
- 🖥️DP 1.4 Without DSC:
- •Max: 5K @ 60Hz
- •4 x QHD (2560x1440) @ 60Hz
- •3 x WQHD (3440x1440) @ 60Hz
- •2 x 4K (3840x2160) @ 60Hz
- •1 x 5K WUHD (5120x2160) @ 60Hz
- 🎯DP 1.4 With DSC:
- •4 x 4K (3840x2160) @ 60Hz
- •3 x 4K (3840x2160) @ 60Hz
- •2 x 6K (6144x3456) @ 60Hz
- •1 x 8K (7680x4320) @ 60Hz
- ⚡DP 2.1 / TB5 With DSC:
- •4 x 4K (3840x2160) @ 120Hz
- •3 x 4K (3840x2160) @ 120Hz
- •2 x 6K (6144x3456) @ 60Hz
- •1 x 8K (7680x4320) @ 60Hz
Video Interfaces
- •displayport: 2 x DisplayPort 2.1
- •hdmi: 1 x HDMI 2.1
- •usb c display: 1 x USB-C 3.2 Gen 2 (Multi-function DisplayPort 2.1)
- •thunderbolt: 2 x Thunderbolt 5
Ports & Connectivity
- •usb a: 4 x USB-A 3.2 Gen 2 (10 Gbps)
- •usb c: 1 x USB-C 3.2 Gen 2 (10 Gbps)
- •note: USB-A ports can deliver power even without a notebook attached
Power & Connection
- •adapter: 330W AC Power Adapter
- •power delivery dell: Up to 300W
- •power delivery non dell: Up to 240W
- •Connection: Thunderbolt 5 (USB-C connector)
- •Cable Length: 0.83 m
Compatible Laptops
Verified compatibility with Dell laptops
Full Compatibility
90 modelsPartial Compatibility
7 modelsFrequently Asked Questions
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