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Compact square dock with matte dark finish, about four inches wide and three inches tall

HP

HP Thunderbolt Dock 120W G4 4J0A2AAABA

SKU CH-HRVJ-Z9J0T MPN 4J0A2AAABA

A compact Thunderbolt dock delivering 120 W power and supporting up to four 4K displays for secure, multi-OS connectivity

  • Dimension3.9 x 3.9 x 2.7 in
  • Weight1.6800 lb
  • FeaturesHP Thunderbolt Dock 120W G4
  • 120 W power delivery keeps your laptop charged
  • Thunderbolt 4 connectivity drives up to four 4K displays
  • Compact 3.9 x 3.9 x 2.7 in design fits tight desks
  • Lightweight 1.6800 lb build moves easily between sites
  • Multi-OS compatibility simplifies fleet management

HP Thunderbolt Dock 120W G4

This Thunderbolt 4 dock expands a single laptop port into multiple displays, peripherals and network connections. It delivers up to 120 W of power to charge compatible notebooks while driving up to four 4K screens. The compact 3.9 x 3.9 x 2.7 in unit weighs 1.6800 lb and fits tight desk spaces.

Replaces older USB-C hubs

The dock supersedes basic USB-C dongles that only offer one video output and limited charging. Upgrading makes sense when you need simultaneous multi-monitor setups, higher power delivery and integrated security features such as HP Sure Start firmware protection. It also adds a physical power button to wake or turn on the connected system.

Check host compatibility first

Your laptop must support Thunderbolt 3 or Thunderbolt 4 for full functionality; USB-C Alt Mode ports will work but at reduced speeds and feature sets. Verify that the notebook implements USB-C Alt Mode charging and DisplayPort Alt Mode for video. Wake-on-LAN and MAC address pass-through require matching firmware support on the host device.

Highlights

  • 120 W power delivery keeps your laptop charged
  • Thunderbolt 4 connectivity drives up to four 4K displays
  • Compact 3.9 x 3.9 x 2.7 in design fits tight desks
  • Lightweight 1.6800 lb build moves easily between sites
  • Multi-OS compatibility simplifies fleet management

Specifications

BrandHP
Part Number4J0A2AA#ABA
Dimension3.9 x 3.9 x 2.7 in
Weight1.6800 lb
FeaturesHP Thunderbolt Dock 120W G4
Shipping weight1.81 kg
Package size277 × 150 × 142 mm

Questions about this item

How much desk depth does the 3.9 in dock require?

The unit measures 3.9 inches deep, 3.9 inches wide and 2.7 inches high, so allow at least that footprint plus cable clearance.

What host capability is needed for the Thunderbolt connection to work?

The host PC must support Thunderbolt 3 or Thunderbolt 4 for full functionality; USB-C alt mode will operate at alt-mode speeds instead.

Does the 120 W power supply need periodic replacement?

The 120 W supply is included and designed for the dock's lifetime; no scheduled replacement is required under normal use.

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