Overview
The Dell 9K939 REV A00 is an OEM front panel USB and audio I/O power board designed for Dell Optiplex GX260, GX270, and SDT small-form-factor desktop systems. This genuine Dell component provides reliable connectivity for USB peripherals and audio devices directly from the system’s front panel, eliminating the need for external hubs or cable extensions.
Key Features
- Dual USB 2.0 ports for peripheral connectivity
- Dual audio input/output ports for headphone and microphone connections
- OEM Dell component with proven reliability
- Direct motherboard connection via integrated cable
- Compact form factor fits standard Optiplex chassis
Technical Specifications
- Part Number: 9K939 REV A00
- Connector Type: Front panel header (keyed connection)
- USB Ports: 2x USB 2.0
- Audio Ports: 2x (microphone/line-in and headphone/line-out)
- Interface: Motherboard front panel header
- Compatibility: Optiplex GX260, GX270, SDT systems
Typical Applications
- Desktop expansion: Adding front-mounted USB ports for keyboard, mouse, printers, and external storage
- Audio I/O: Connecting headsets, microphones, and external audio devices
- System repair and upgrade: Replacing damaged or non-functional front panel boards
- OEM system restoration: Restoring missing or failed I/O functionality in older Optiplex builds
Compatibility & Replacements
Compatible With
- Dell Optiplex GX260 desktop systems
- Dell Optiplex GX270 desktop systems
- Dell Optiplex SDT (Small-form-factor) systems
- Motherboards with standard front panel header connectors
Replaces / Drop-In Replacement For
- Dell OEM part 9K939 (all revisions)
- Original equipment front panel I/O boards in Optiplex GX260 and GX270 systems
Works With
- Dell Optiplex GX-series motherboards with front panel connectors
- Standard USB 2.0 and audio header pinout (keyed for correct orientation)
- Dell service documentation and technical support resources
