Front Panel Components - HP ProDesk 400 G4 SFF Hardware Reference Manual

Front panel components

Drive configuration may vary by model. Some models have a bezel blank covering the slim optical drive bay.
1 Slim optical drive (optional)
2 Memory card reader
3 USB 2.0 port
4 USB 2.0 port with HP Sleep and Charge*
*This port connects a USB device, provides high-speed data transfer, and even when the computer is off, charges products
such as a cell phone, camera, activity tracker, or smartwatch.
NOTE: When a device is plugged into the combo jack, a dialog box will open asking if you want to use the connector for a
microphone line-in device or a headphone. You can reconfigure the connector at any time by double-clicking the Audio
Manager icon in the Windows® taskbar.
2 Chapter 1 Product features
5 Audio-out (headphone)/Audio-in (microphone) combo
jack
6 Hard drive activity light
7 Dual-state power button