Dell OptiPlex 9020 AIO Owner's Manual page 58

Table 17. Audio
Feature
Controller
Speaker
Internal speaker amplifier
Internal microphone support
Volume controls
Table 18. Communications
Feature
Network adapter
Wireless
Table 19. Cards
Feature
Mini PCI Express
Table 20. Displays
Feature
Type
Maximum resolution
Refresh rate
Brightness
Operating angle
Pixel pitch
Controls
Table 21. Drives
Feature
Hard drive
Optical drive (optional)
58
Specification
Intel High Definition Audio with Waves MaxxVoice Pro
single 8-ohms speakers in both the left and right speaker
assembly (5 W average per channel)
up to 15 W per channel
dual digital microphone
Volume up/down buttons (Windows 7 only), program menus, and
keyboard media-control keys
Specification
Intel 10/100/1000 Mbps Ethernet LAN on system board
• half mini-card (Wi-Fi b/g/n supporting Wi-Fi display)
• combo half mini-card (Bluetooth 4.0 and Wi-Fi b/g/n
supporting Wi-Fi display)
Specification
one
Specification
23-inch full-HD WLED
1920 x 1080
60 Hz
Brightness up/down buttons
178 horizontal / 178 vertical
0.2652 mm
on-screen controls
Specification
one 3.5-inch SATA drive or one 2.5-inch SATA drive with an
adapter bracket
one DVD-ROM, DVD+/- RW or combo Blu-ray writer