Dell Pro Thunderbolt 5 Smart Dock SD25TB5 - 330W, 8K Support, 2.5GbE, Black

Modern laptops are thinner than ever, but their port selection often falls short for demanding workflows. The Dell Pro Thunderbolt 5 Smart Dock SD25TB5 bridges that gap, transforming a single Thunderbolt 5 connection into a full desktop command center. With 330W of total power, 8K display support, and 2.5GbE networking, this dock eliminates cable clutter while unlocking the full potential of high-performance laptops.

Who is it for

This dock is built for professionals who need maximum productivity: video editors working with 8K footage, data analysts driving multiple 4K monitors, engineers transferring massive files, and IT administrators managing fleets remotely. It suits any Thunderbolt 5-equipped laptop user who wants a single-cable solution for displays, peripherals, and power.

Main features

• Thunderbolt 5 host interface with up to 80 Gbps bi-directional bandwidth (120 Gbps display-priority)
• Up to 140W Power Delivery to charge your laptop while connected
• Supports a single 8K display at 60Hz or dual 4K displays at 120Hz
• Video outputs: 2x DisplayPort 1.4a, 1x HDMI 2.1, and 1x Thunderbolt 5 downstream
• 2.5 Gigabit Ethernet port for high-speed wired networking
• Extensive USB connectivity: 1x Thunderbolt 5 downstream (40Gbps, 15W PD), 1x USB-C 3.2 Gen 2 (10Gbps, 15W PD), 3x USB-A 3.2 Gen 1 (5Gbps), and 1x USB-A 2.0
• 3.5mm combo audio jack for headsets or speakers
• Kensington Lock Slot for physical security
• Smart Dock capabilities: remote management and firmware updates via Dell Command | Update

Specifications

• Brand: Dell
• Model: SD25TB5
• Host Interface: Thunderbolt 5 (USB-C)
• Power Delivery to Host: Up to 140W
• External Power Adapter: 330W
• Max Single Display Resolution: 8K (7680 x 4320) @ 60Hz
• Max Dual Display Resolution: 4K (3840 x 2160) @ 120Hz
• Video Output Ports: 2x DisplayPort 1.4a, 1x HDMI 2.1, 1x Thunderbolt 5 downstream
• Ethernet: 2.5 Gigabit (RJ-45)
• USB-C Downstream: 1x Thunderbolt 5 (40Gbps, 15W PD), 1x USB-C 3.2 Gen 2 (10Gbps, 15W PD)
• USB-A Downstream: 3x USB-A 3.2 Gen 1 (5Gbps), 1x USB-A 2.0
• Audio: 1x 3.5mm Combo Jack
• Security: Kensington Lock Slot
• Operating System Support: Windows 10/11, macOS, Ubuntu
• Colour: Black

Tips

To achieve 8K resolution, ensure your laptop's Thunderbolt 5 port supports DisplayPort 2.1 alt mode and use certified cables. For dual 4K at 120Hz, connect displays to the DisplayPort and HDMI ports simultaneously. Use Dell Command | Update to keep the dock's firmware current for optimal performance and compatibility.