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Product Description
Dell Pro Thunderbolt 5 Smart Dock – SD25TB5 Docking Station
Dell Pro Thunderbolt 5 Smart Dock – SD25TB5 brings Thunderbolt 5 bandwidth and smart manageability to modern workspaces, consolidating displays, high-speed peripherals, and network connectivity behind a single host connection. The dock supports high-resolution external displays up to 3840 x 2160 and offers enterprise-oriented features including remote management and robust power infrastructure (330 W power supply with up to 300W available power delivery to connected systems).
Designed for hybrid professionals and IT administrators, SD25TB5 provides multiple high-speed ports — including DisplayPort 2.1, HDMI 2.1, Thunderbolt 5 and 10 Gbps USB — plus multi-gig Ethernet, so you can connect monitors, storage, and wired networking without juggling adapters. The compact black enclosure keeps desks tidy while enabling future-ready workflows.
Features and Benefits
- Thunderbolt 5 host interface for maximum bandwidth and low-latency device connectivity.
- Dual DisplayPort 2.1 and HDMI 2.1 outputs supporting up to 3840 x 2160 (and higher resolutions listed by vendor) for multi-monitor setups.
- Two Thunderbolt 5 ports plus high-speed USB-A/C (USB 3.2 Gen 2) ports for fast data transfer and peripheral support.
- Multi-gig Ethernet (2.5 Gbit/s) for reliable wired network performance.
- Power infrastructure: 330 W power supply with up to 300W available power delivery to host systems; USB Power Delivery up to 15 W on downstream USB-C.
- Enterprise-ready remote management features to help IT teams deploy and monitor docks.
What's in the box
- Docking station (Dell Pro SD25TB5)
- Power supply (330 W)
- Thunderbolt cable
Product Q&A
Q: What host connection is required to use the SD25TB5?
A: A Thunderbolt 5‑capable host port is required to access full functionality and bandwidth. The dock uses Thunderbolt 5 as its host interface. ([dell.com]
Q: How much power does the dock provide to a connected laptop?
A: The product listing specifies a 330 W power supply and the dock is described as delivering up to 300 W of power to connected systems. USB Power Delivery on downstream USB-C ports is listed up to 15 W.
Q: Which display connections are available and what resolutions are supported?
A: The dock includes 2× DisplayPort 2.1 and 1× HDMI 2.1 plus a USB-C multi-function DisplayPort 2.1 option; vendor specs list 3840×2160 among supported resolutions and higher/alternate video modes.
Q: Is this compatible with Windows and ChromeOS?
A: The vendor lists Windows 10 and Windows 11 as supported platforms and specifically lists ChromeOS 141 among supported OS versions. See the compatibility section for full details.
Q: Does the dock include wired Ethernet and what speed does it support?
A: Yes. The dock provides multi‑gig Ethernet with a listed 2.5 Gbit/s LAN data rate (vendor page lists Ethernet and data rates).
Specification
- Manufacturer part / sd25tb5
- Host interface: Thunderbolt 5.
-
Interfaces:
2 x DP2.1
1 x HDMI 2.1
1 x USB-C 3.2 Gen 2 Multi-function DisplayPort 2.1
2 x Thunderbolt 5
4 x USB-A 3.2 Gen 2 (10 Gbps)
1 x USB-C 3.2 Gen 2 (10 Gbps) - Power supply: 330 W (dock power supply).
- Max deliverable power to host: Up to 300 W (as listed by vendor).
- USB Power Delivery (downstream): Up to 15 W.
- Ethernet LAN data rates: 2.5 Gbit/s (multi‑gig Ethernet).
- Data transfer rate (USB): USB-A/C up to 10 Gbps (USB 3.2 Gen 2 listed); overall data transfer rate in input listed as 1.25 Gbit/s.
-
Video resolution:
3840 x 2160
7680 x 4320
6144 x 3456
5120 x 2160
3440 x 1440
2560 x 1440 - External video ports: 2 × DisplayPort 2.1, 1 × HDMI 2.1, 1 × USB-C 3.2 Gen 2 Multi‑function DisplayPort 2.1.
- Other ports: 2 × Thunderbolt 5, 4 × USB-A 3.2 Gen 2 (10 Gbps), 1 × USB-C 3.2 Gen 2 (10 Gbps).
- Product colour: Black.
Compatibility
Device Compatibility:
- Mac: macOS (vendor lists macOS but does not specify the minimum macOS version on the product page).
- Windows: Windows 10; Windows 11.
- Other OS: ChromeOS 141; Red Hat Enterprise Linux 9.7; Ubuntu 24.04.
- Compatible Dell products: PDF
Mac: Compatible with macOS 14.4+
Windows: Compatible with: Windows 10 and Windows 11 as listed. Not compatible with: Windows versions older than Windows 10 (e.g., Windows 8.1 and earlier) unless explicitly supported by Dell.
Other OS: Compatible with: ChromeOS 141, Red Hat Enterprise Linux 9.7, Ubuntu 24.04 as explicitly listed by the vendor. Not compatible with: earlier OS releases prior to those listed (unless vendor documentation states otherwise).
Interface Requirements: Thunderbolt 5 host port is required to access full dock functionality and bandwidth. The dock exposes Thunderbolt 5, DisplayPort 2.1, HDMI 2.1 and USB 3.2 Gen 2 interfaces for peripherals. Not compatible with: hosts lacking Thunderbolt or USB-C (no Thunderbolt capability) for full functionality.
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