HP

HP 3TK82AA EliteDesk ProDesk Serial Port Adapter

4.9 (5 reviews)

Expand Your Connectivity with an Additional Serial Port The HP 3TK82AA Second Serial Port is designed for use with HP EliteDesk 705 G4, 800 G4, and ProDesk 600 G4 (MT, SFF) models. This card provides an additional serial port, enhancing the connectivity options of your desktop computer. Specifica...

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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 Connectivity with an Additional Serial Port

The HP 3TK82AA Second Serial Port is designed for use with HP EliteDesk 705 G4, 800 G4, and ProDesk 600 G4 (MT, SFF) models. This card provides an additional serial port, enhancing the connectivity options of your desktop computer.

Specifications:

  • Compatibility: HP EliteDesk 705 G4, 800 G4, ProDesk 600 G4 (MT, SFF)

Key Features

Cable Type: Serial

Connector Type on First End: DB-9 Serial - Male

Connector on First End Details: 1 x 9-pin DB-9 Serial - Male

Connector Type on Second End: Serial

Connector on Second End Details: 1 x Serial

Specifications

Brand
HP
Model Name
3TK82AA EliteDesk ProDesk Serial Port Adapter
Cable Type
Serial
Connector Type (First End)
DB-9 Serial - Male
Connector Details (First End)
1 x 9-pin DB-9 Serial - Male
Connector Type (Second End)
Serial
Connector Details (Second End)
1 x Serial

Pros & Cons

👍 Pros

  • Specifically designed for HP EliteDesk and ProDesk systems, ensuring optimal compatibility and function.
  • Adds a serial port connection, useful for legacy devices or specific industrial and diagnostic applications.
  • Features a male DB-9 Serial connector on the first end, which is a common standard for serial connections.
  • Constructed with a serial cable type, indicating its dedicated purpose for serial data transmission.
  • Provides a direct and reliable serial connection solution for compatible HP computer models.
  • Enables connectivity to a wide range of peripherals that still rely on serial interfaces.

👎 Cons

  • The adapter is only compatible with specific HP EliteDesk and ProDesk models, limiting its universal use.
  • Serial ports are becoming less common, meaning this adapter has a niche application.
  • Specific length of the cable is not provided, which could be a factor for installation flexibility.
  • The second end connector is vaguely described as "1 x Serial" without specifying the exact type (e.g., male/female, pin count).
  • Does not provide other connectivity options, focusing solely on serial port expansion.

Frequently Asked Questions

The HP 3TK82AA Serial Port Adapter is designed to add a serial port to compatible HP EliteDesk and ProDesk computers, enabling connection to serial devices.
The first end of the adapter features a DB-9 Serial - Male connector, specifically a 1 x 9-pin configuration.
This adapter is designed for use with HP EliteDesk and ProDesk systems.
No, it is a specific HP accessory designed for compatibility with their EliteDesk and ProDesk product lines.
The adapter utilizes a serial cable type, optimized for serial data transmission.