HP

HP PM453A 2-Port USB 2.0 Cardbus Adapter

2.7 (3 reviews)
USB 2.0

Expand Your Notebook's Connectivity with the HP 2 Port USB 2.0 Cardbus The HP 2 Port USB 2.0 Cardbus adds two high-speed USB ports to your notebook PC. This plug-in card fits into a CardBus slot, providing a convenient way to connect USB devices. Specifications: Brand: HP Type: 2 Port USB...

$49.95*
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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

Expand Your Notebook's Connectivity with the HP 2 Port USB 2.0 Cardbus

The HP 2 Port USB 2.0 Cardbus adds two high-speed USB ports to your notebook PC. This plug-in card fits into a CardBus slot, providing a convenient way to connect USB devices.

Specifications:

  • Brand: HP
  • Type: 2 Port USB 2.0 Cardbus
  • Interface: Hi-Speed USB
  • Ports: 2 x USB Type A
  • Form Factor: CardBus
  • Connectivity: Wired

Key Features

Device Type - USB adapter

Form Factor - Plug-in card

Interface (Bus) Type - PCI

Ports Quantity - 2 ports

Data Link Protocol - Hi-Speed USB

Specifications

Device Type
USB adapter
Form Factor
Plug-in card
Interface (Bus) Type
PCI
Ports Quantity
2 ports
Data Link Protocol
Hi-Speed USB

Pros & Cons

👍 Pros

  • Expands connectivity by adding two USB 2.0 ports to a compatible system, increasing peripheral options.
  • Utilizes the PCI interface (Bus Type), making it suitable for older or specialized computer systems with available PCI slots.
  • Supports Hi-Speed USB data link protocol, allowing for data transfer rates up to 480 Mbps.
  • Designed as a plug-in card form factor, providing a robust and integrated solution for adding USB ports internally.
  • Being an HP branded product, it suggests a certain level of compatibility and reliability with HP systems.
  • Offers a straightforward way to upgrade older machines to modern USB 2.0 connectivity standards.

👎 Cons

  • The card uses the older PCI interface, which is largely phased out in modern motherboards, limiting compatibility with newer systems.
  • Only provides USB 2.0 ports, meaning it will not offer the much faster speeds of USB 3.0 or USB 3.1.
  • Limited to two ports, which might not be sufficient for users with multiple USB peripherals.
  • The "Cardbus" adapter in the title, alongside "PCI" in features, might suggest some ambiguity in exact form factor.
  • This device is an adapter for internal expansion, not an external hub, requiring opening the computer case for installation.
  • The features do not specify operating system compatibility, which can be a concern for legacy hardware.

Frequently Asked Questions

The HP PM453A adapter uses the PCI bus interface type, designed for compatible expansion slots in a computer.
This USB adapter provides 2 ports, allowing you to connect two USB 2.0 devices.
The adapter supports the Hi-Speed USB data link protocol, which enables data transfer rates up to 480 Mbps.
No, this is a USB 2.0 adapter, so it does not support the faster speeds of USB 3.0 or USB 3.1.
As a plug-in card with a PCI interface, this adapter requires internal installation within your computer's case.