SD25TB4/WD25TB4 with 130W Power Delivery
Complete docking station specifications and compatibility details
Docking Station Details
Complete specifications and features
Dell Pro Thunderbolt 4 Smart Dock SD25TB4 and Dell Pro Smart Dock WD25TB4 are high-end Thunderbolt 4 docking stations designed for professional and enterprise users. They support extreme multi-display configurations up to 8K with Display Stream Compression, dual Thunderbolt 4 ports, and deliver up to 130W power to Dell commercial notebooks through a single Thunderbolt connection.
Model Differences
SD25TB4 is positioned as a Pro Thunderbolt 4 Smart Dock with enterprise-focused smart management features, while WD25TB4 is branded as a Pro Smart Dock without the Thunderbolt Smart Dock naming emphasis. Hardware specifications, display capabilities, and port configurations are otherwise identical.
Specifications
Display Support
- 📺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
- 🎯With DSC:
- •4 x 4K (3840x2160) @ 60Hz
- •3 x 4K (3840x2160) @ 60Hz
- •2 x 6K (6144x3456) @ 60Hz
- •1 x 8K (7680x4320) @ 60Hz
Video Interfaces
- •displayport: 2 x DisplayPort 1.4
- •hdmi: 1 x HDMI 2.1
- •usb c display: 1 x USB-C 3.2 Gen 2 (DisplayPort 1.4 Alt Mode)
- •thunderbolt: 2 x Thunderbolt 4
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: 180W AC Power Adapter
- •power delivery dell: Up to 130W
- •power delivery non dell: Up to 96W
- •Connection: Thunderbolt 4 (USB-C connector)
- •Cable Length: 0.83 m
Compatible Laptops
Verified compatibility with Dell laptops
Full Compatibility
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