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Compact black square Thunderbolt dock with rounded edges, front audio jack, rear speaker output, Ethernet

DELL

DELL 452-BCNU Thunderbolt Docking Station 240W

SKU CH-AWMV-1B33F MPN 452-BCNU

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

  • Port detailsSupports 3 displays Two USB 2.0 ports Three USB 3.0 ports Th
  • Measurements5.7 in × 5.7 in × 2 in
  • Product colorBlack
  • Compatible withThis product is compatible with the following systems: XPS 1
  • Product 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.

How it compares

Measured against everything we stock in USB-C & Laptop Docking Stations, at today’s prices. Recalculated every night.

Price $227.99
Pricier than about 82% of the 1,971 comparable items (median $81.99).

Specifications

Product
Brand nameDell
Model name452-BCNU
Product colorBlack
Ports & slots
Thunderbolt 3 supportYes
Size & build
Measurements5.7 in × 5.7 in × 2 in
Product weight25.39 oz
Shipping weight1.99 kg
Package size251 × 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.

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