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HP 2NA11AA 4.5mm & USB Dock Adapter — main product image
HP

HP 2NA11AA 4.5mm & USB Dock Adapter

★★★★★5.0 (1 reviews)

HP 4.5mm and USB Dock Adapter lets you connect HP laptops to docking stations via a single USB 3.0 Type-A port.

$16.15*
✓ In Stock on Amazon.com
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

The HP 2NA11AA 4.5mm & USB Dock Adapter is a purpose-built accessory that bridges HP laptops equipped with a 4.5mm barrel-style power connector to HP's USB 3.0-based docking stations. Rather than requiring a proprietary docking port on the laptop itself, this adapter lets you connect through the charging port combined with a USB 3.0 Type-A connection, unlocking the full range of peripherals and displays supported by the dock. It is particularly useful for organizations that standardize on HP docking stations across multiple laptop models, as it ensures compatibility without requiring each machine to have a dedicated docking connector.

The adapter itself is compact and unobtrusive — a small black dongle that can stay permanently attached to a docking station or tossed into a laptop bag for mobile workers who move between desks. It is important to understand that this adapter has no standalone functionality; it does not add USB ports, display outputs, or any other connectivity on its own. Its sole purpose is to serve as the link between your HP laptop and a compatible docking station, making it an essential but narrowly focused accessory within HP's business computing ecosystem.

Key Features

0191628646654

2NA11AA

Specifications

Brand
HP
Model
2NA11AA
Product Type
Dock Adapter
Connector Input
4.5mm Barrel
Connector Output
USB 3.0 (3.1 Gen 1) Type-A
Color
Black

Pros & Cons

👍 Pros

  • Simple plug-and-play connection between HP laptops and compatible docking stations
  • Compact and lightweight design is easy to carry or leave attached to a dock
  • USB 3.0 Type-A interface provides reliable high-speed data throughput
  • Inexpensive way to maintain dock compatibility across different HP laptop models

👎 Cons

  • Only works with HP laptops that have the 4.5mm barrel charging connector
  • Requires a compatible HP docking station to serve any purpose — useless on its own
  • Does not add any ports or connectivity without a dock
  • Limited to HP's ecosystem with no cross-brand compatibility

Frequently Asked Questions

It converts an HP laptop's 4.5mm charging port connection into a USB 3.0 Type-A interface, enabling you to connect to HP docking stations that require this adapter for full functionality.
It is designed for HP laptops that use the 4.5mm barrel-style charging connector, commonly found on HP EliteBook, ProBook, and ZBook series models. Check HP's compatibility list for your specific model.
The adapter works in conjunction with a compatible HP docking station to support data, display, and peripheral connectivity. On its own it is simply a bridge between your laptop's 4.5mm port and the dock's USB connection.
No. This is a dock adapter, not a hub. It requires a compatible HP docking station to provide expanded connectivity and does not add ports on its own.
In most cases, no separate driver is needed for the adapter itself, though the docking station it connects to may require HP drivers or firmware updates for full functionality.

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