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Square silver docking station with multiple ports and five small USB hubs

HP

HP Thunderbolt 280W G4 Docking Station (4L1N6AV#ABA) with Dockztorm Hub 5 Pack

SKU CH-HJ30-G1Y9E

A Thunderbolt 4 docking station delivering up to 230W laptop charging and supporting up to four 4K displays, bundled with five portable USB hubs rated for 5Gbps data sync

  • Thunderbolt 4 delivers ultra-fast data transfer and reliable connectivity
  • 280W adapter provides up to 230W charging for compatible workstations
  • Supports up to four 4K displays via HDMI 2.0, dual DisplayPort 1.4 and Thunderbolt 4
  • 5 Gigabit Ethernet ensures fast wired network access
  • Includes Dockztorm portable hub with up to 5Gbps data sync

HP Thunderbolt 280W G4 Docking Station

This Thunderbolt 4 docking station connects to compatible Windows laptops via a single cable. It provides a 280W power adapter and delivers up to 230W charging for supported workstations through the combo cable. The unit includes a Kensington lock slot and measures 3.9 × 3.9 × 2.7 in.

Dockztorm Hub 5 Pack Bundle

The bundle adds five portable Dockztorm hubs rated for data sync rates up to 5Gbps. Each hub expands the available USB-A and USB-C connections for accessories or flash drives. This allows multiple users to share the dock’s downstream bandwidth without swapping cables at the main unit.

Thunderbolt 4 Interface Limits

Host systems must support Thunderbolt 4 or USB4 Alt Mode to enable quad 4K output and the full 230W charging figure. DisplayPort 1.4 and HDMI 2.0 ports are limited to 60Hz at 4K resolution. The 2.5 Gigabit Ethernet port negotiates down to 1GbE if the network switch does not support 2.5G speeds.

Highlights

  • Thunderbolt 4 delivers ultra-fast data transfer and reliable connectivity
  • 280W adapter provides up to 230W charging for compatible workstations
  • Supports up to four 4K displays via HDMI 2.0, dual DisplayPort 1.4 and Thunderbolt 4
  • 5 Gigabit Ethernet ensures fast wired network access
  • Includes Dockztorm portable hub with up to 5Gbps data sync

Specifications

Series4 x USB-A, 2 x USB-C, 1 x Thunderbolt 4, 1 x HDMI, 2 x Displayport and 1 x Ethernet
Part Number4L1N6AV#ABA

Questions about this item

Will the 280W AC adapter or the 100W USB-C Power Delivery circuit need replacement first?

The 280W AC adapter powers the dock and delivers up to 230W through the combo cable; the 100W USB-C PD handles standard USB-C devices. Both are solid-state with no moving parts, so neither has a scheduled replacement interval.

Which port hits its bandwidth ceiling first when four 4K 60Hz displays run all day — Thunderbolt 4, DisplayPort 1.4 or HDMI 2.0?

HDMI 2.0 caps at 4K 60Hz per stream, while DisplayPort 1.4 and Thunderbolt 4 carry higher bandwidth; sustained quad-4K loads will saturate the HDMI 2.0 link before the others.

How hot does the 99×99×68.6 mm enclosure get and does the fan noise rise after hours of 230W charging?

The compact 1.68 lb chassis relies on passive cooling; surface temperature rises under continuous 230W load but stays within HP’s thermal limits, and there is no fan to generate noise.

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