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Black rounded dock with Thunderbolt 3 combo cable

HP

HP 3TR87AA#ABA Thunderbolt Dock G2 with Combo Cable

SKU CH-AQHD-JX4FG MPN 3TR87AA#ABA

Connects a notebook via one USB-C cable to wired network, data, video and charging with up to 230 W power delivery and support for four 4096 x 2160 displays

  • Port details1 x Thunderbolt 3 Port 2 x USB Type-C | 3 x USB 3.0 Type-A 2
  • Key featuresThunderbolt 3 / Power Combo Cable (2.3') Supports Four Displ
  • Single USB-C cable connects data, video, network and up to 230W charging
  • Supports four displays at 4096 x 2160 resolution for expanded workspace
  • Five USB ports including three USB 3.0 Type-A and two USB Type-C
  • Gigabit Ethernet and 3.5mm audio jack for wired network and headset
  • Compact 2.7 x 3.9 x 3.9 inch design with 2.3 foot combo cable

One-cable workspace hub

This HP Thunderbolt Dock G2 turns a single USB-C link into a full desktop setup for notebook users who want wired networking, multiple displays, legacy VGA, and audio without a tangle of adapters. It supplies up to 230 W of system power while handling data, video and charging through the included 2.3 ft combo cable.

Thunderbolt 3 bandwidth ceiling

The single Thunderbolt 3 port caps total throughput at 40 Gb/s shared across every connected device, so driving four 4096 x 2160 displays plus Gigabit Ethernet and five USB peripherals simultaneously will contend for that fixed pipe. USB 3.0 Type-A ports are limited to 5 Gb/s each and the two USB-C ports do not add extra Thunderbolt lanes.

Four-display headroom and power limit

The dock comfortably drives two 4K panels at 60 Hz or four at reduced refresh rates, but the 200 W brick means sustained loads above 200 W will throttle or shut down. It is not for users who need more than four video outputs, more than 230 W host charging, or Thunderbolt daisy-chaining beyond the single upstream port.

How it compares

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

Price $365.99
Pricier than about 90% of the 1,970 comparable items (median $81.99).

Specifications

Product
Brand nameHP
Model name3TR87AA#ABA
Ports & slots
Thunderbolt 3 supportYes
Port details1 x Thunderbolt 3 Port
2 x USB Type-C | 3 x USB 3.0 Type-A
2 x DisplayPort | 1 x VGA
1 x Gigabit Ethernet Port
1 × 3.5 mm Headphone/Microphone Jack
Size & build
Shipping weight2.01 kg
Package size595 × 311 × 260 mm

Questions about this item

Which port mix should I choose if I need both Thunderbolt 3 and legacy VGA on the same dock?

This model includes one Thunderbolt 3 port, two USB-C ports, three USB 3.0 Type-A ports, two DisplayPort outputs and one VGA connector in a single unit.

What does the 230 W system-power figure mean when the dock is connected to my notebook?

The dock can deliver up to 230 W of charging power to the host laptop through the Thunderbolt 3 connection.

How does the Thunderbolt 3 interface limit the number of 4K displays I can run?

Thunderbolt 3 bandwidth on this dock supports up to four displays at 4096 x 2160 resolution.

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