Specifications

DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK —VERSION 1.5
9
ULTRA SMALL FORM FACTOR COMPUTER (USFF) VIEW
FRONT VIEW
1 Optical Drive
6
Headphone Connector
2 Optical Drive Eject Button 7
Microphone Connector
3
Power Button, Power
Light
8 USB Connectors (2)
4
Drive Activity Light
5
Diagnostic Lights (4)
BACK VIEW
10 Wi-Fi Antenna (optional) 17 Line-in/ Microphone
Connector
11 Network Activity Light 18 DisplayPort Connector
12 Captive Thumbscrew 19 VGA Connector
13 Padlock Ring 20 Serial Connector
14 Security Cable Slot 21 USB Connectors (5)
15 Power Connector 22 Network Connector
16 Line-Out Connector 23 Link Integrity Light