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Black square desktop dock with front USB-C port and side lock slot

HP

HP Thunderbolt Dock 280W G4 with Combo Cable

SKU CH-3VZ8-CW5DY

A 280 W Thunderbolt dock with 5 USB ports, HDMI, RJ-45 and support for up to four 4K displays

  • Port detailsTop components: LED and power button to power or wake host s
  • Measurements3.9 in × 3.9 in × 2.7 in
  • Main functionNotebook
  • Product colorBlack
  • Compatible withWindows 11; Windows 10; MacOS; Chrome
  • Product weight1.68 lb (0.76 kg)
  • 280 W power delivery charges notebooks quickly
  • Thunderbolt 4 enables 40 Gbps data and video
  • Supports up to four 3840 x 2160 displays
  • Five USB ports connect peripherals and accessories
  • Built-in RJ-45 provides wired network access

Thunderbolt 4 dock for hybrid work

The HP Thunderbolt Dock 280W G4 connects a notebook or desktop PC through a single Thunderbolt 4 link. It delivers up to 280 W of power to the host while driving multiple displays and peripherals. Compatibility spans Windows 10, Windows 11, macOS and Chrome OS, making it suitable for mixed-OS fleets.

Combo cable and power supply included

The box supplies a Thunderbolt 4 combo cable, a 280 W power supply and a power cord. The cable carries data, video and charging in one run, reducing desktop clutter. No additional adapters are required for the dock to operate at its rated 280 W delivery.

Compact aluminium chassis with front USB-C

The unit measures 3.90 by 3.90 by 2.70 inches and weighs 1.68 lbs. A Kensington lock slot secures the dock in shared spaces. Front-facing USB-C supports 10 Gbps data and power out, while rear I/O provides HDMI, RJ-45 and additional USB-A ports for permanent peripherals.

How it compares

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

Price $163.99
Pricier than about 71% of the 1,971 comparable items (median $81.99).

Specifications

Product
Brand nameHP
Model name4J0G4AA#ABA
Part number4J0G4AA#ABA
Product colorBlack
Ports & slots
Port detailsTop components: LED and power button to power or wake host system
Front components: 1 x USB-C data/power out, (USB 3.2 Gen 2 10 Gbit/s Data only)
Side components: Right side: 1 x Kensington Standard Lock Slot; 2 x USB 3.2 Gen 1 ports - 1 on each side (charging) (5 Gbit/s)
Back components: 2 x USB 3.2 Gen 1 (charging ports when docked) (5 Gbit/s); 1 x HDMI 2.0 port; 2 x DisplayPort 1.4 ports; 1 AC adapter port; 1 x Ethernet port: 2 internal NIC cards to support 1Gb and 2.5Gb Ethernet; 1 x USB-C DP alt mode port; 1 x Thunderbolt 4 port
Size & build
Measurements3.9 in × 3.9 in × 2.7 in
Product weight1.68 lb (0.76 kg)
Compatibility
Compatible withWindows 11; Windows 10; MacOS; Chrome
More details
Main functionNotebook

Questions about this item

Does the 280 W power supply have a replaceable fan or internal filter that needs cleaning?

The dock has no user-serviceable fan or filter; keep the vents clear of dust for reliable cooling.

Which limit appears first when driving four 3840 x 2160 displays all day — the 280 W budget or Thunderbolt bandwidth?

Thunderbolt 4 bandwidth is the first constraint; the 280 W supply handles the dock and typical laptop charging within its rating.

How loud and hot does the unit get after eight hours at full 280 W load?

It runs silently with no audible fan; the aluminium chassis stays warm but within normal operating temperature.

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