DELL
DELL 452-BCNU Thunderbolt Docking Station 240W
A compact Thunderbolt 3 docking station delivering up to 40 Gbps throughput, triple-display support, Gigabit Ethernet, multiple USB ports and 240 W power delivery for compatible Dell notebooks
- ColorBlack
- CompatibilityThis product is compatible with the following systems: XPS 1
- Thunderbolt 3Yes
- Ports SpecSupports 3 displays Two USB 2.0 ports Three USB 3.0 ports Th
- Dimension5.70" x 5.70" x 2.00"
- Weight25.39 oz.
- Connect up to three displays with one cable
- 40 Gbps Thunderbolt data speed avoids bandwidth bottlenecks
- 240 W power delivery charges notebook and peripherals
- Five USB ports plus Gigabit Ethernet expand connectivity
- Compact 5.70-inch square design saves desk space
Purpose and Audience
This Dell Thunderbolt Docking Station model 452-BCNU delivers 240W power and expanded connectivity for compatible Dell XPS and Precision notebooks. It targets professionals who need a single-cable desktop setup with multiple displays and peripherals. Buyers whose laptops lack Thunderbolt 3 support cannot use this dock.
Thunderbolt 3 Practical Limits
The dock uses a Thunderbolt 3 host interface rated for up to 40 Gbps data throughput. Real-world bandwidth is shared across all connected displays and USB devices so simultaneous high-resolution video and heavy file transfers will contend for that ceiling. The single Thunderbolt 3 USB-C port also means the dock cannot be daisy-chained to another Thunderbolt device.
Deciding Specification
The 240W power delivery rating determines whether this dock can charge your specific notebook while driving three displays and attached peripherals. If your laptop requires more than 240W or uses a different charging connector, this unit will not meet the power need.
Highlights
- Connect up to three displays with one cable
- 40 Gbps Thunderbolt data speed avoids bandwidth bottlenecks
- 240 W power delivery charges notebook and peripherals
- Five USB ports plus Gigabit Ethernet expand connectivity
- Compact 5.70-inch square design saves desk space
Specifications
| Brand | Dell |
|---|---|
| Model | 452-BCNU |
| Color | Black |
| Compatibility | This product is compatible with the following systems: XPS 13 (9350) XPS 15 (9550) XPS 12 (9250) Precision 15 7000 Series (7510) Precision 17 7000 Series (7710) Precision 15 3000 Series (3510) Precision 15 5000 Series (5510) Latitude E5570 Latitude 7275 Latitude 7370 XPS 13 (9360) Latitude 5480 Latitude 5580 XPS 9365 XPS 9560 Precision 5520 Latitude 7280 Precision 3520 Latitude 7480 |
| Thunderbolt 3 | Yes |
| Ports Spec | Supports 3 displays Two USB 2.0 ports Three USB 3.0 ports Thunderbolt 3 (USB-C) port Speaker output (rear) Combo audio (front) Gigabit Ethernet Kensington Lock Slot 7.4 mm DC-IN Power Input |
| Dimension | 5.70" x 5.70" x 2.00" |
| Weight | 25.39 oz. |
| Shipping weight | 1.99 kg |
| Package size | 251 × 199 × 122 mm |
Questions about this item
Which Dell systems are confirmed to work with the 452-BCNU dock?
The 452-BCNU supports XPS 13 9350, XPS 15 9550, XPS 12 9250, Precision 15 7000 7510, Precision 17 7000 7710, Precision 15 3000 3510 and Precision 15 5000 Series models.
What does the 40 Gbps Thunderbolt 3 link actually deliver when the dock is connected?
The 40 Gbps Thunderbolt 3 connection provides up to 40 Gbps data throughput and drives up to three FHD displays, two 4K displays or one 5K display at 60 Hz from a single cable.
What does the Thunderbolt 3 interface cap in real use on this dock?
Thunderbolt 3 caps the dock at 40 Gbps total bandwidth shared across displays, USB 3.0 peripherals and Gigabit Ethernet, while delivering up to 240 W power to the host notebook.
Also in this aisle
People compared these
Same shelf, same checkout — eight coins and a 30-minute rate lock.
