Dell OptiPlex 3020M Owner's Manual page 46

Table 22. Expansion Bus (continued)
Feature
Bus speed
Table 23. Cards
Feature
WLAN card
Table 24. Drives
Feature
Internally Accessible:
Table 25. External Connectors
Feature
Audio:
Front panel
Network adapter
Serial
USB 2.0 (Front/Rear/Internal)
USB 3.0 (Front/Rear/Internal)
Video
Table 26. Controls and Lights
Feature
Front of the computer:
Power button light
Drive activity light
Back of the computer:
Link integrity light on integrated network adapter
46 Specifications
Specification
480 Mbps, 5 Gbps, 6Gbps, and 5 Gbps,
Specification
Intel Dual Band Wireless-AC 7260 (M.2)
802.11 ac
Bluetooth 4.0
WiDi (Wireless Display)
NOTE: For optimal performance, it is recommended to use the
wireless display feature with an access point that supports 5 GHz
standard.
Specification
2.5-inch SATA drive bays
Specification
one global headset and one microphone connector ( re-taskable to
headphone )
one RJ–45 connector
PS2 or serial connector (optional)
1/3/1
1/1/0
● 15-pin VGA connector
● one 20-pin Display port connectors
Specification
White light — Solid white light indicates power-on state; breathing
white light indicates sleep state of the computer.
White light — Blinking white light indicates that the computer is
reading data from or writing data to the hard drive.
Green — A good 10 Mbps connection exists between the network
and the computer.
Green — A good 100 Mbps connection exists between the network
and the computer.
Orange — A good 1000 Mbps connection exists between the
network and the computer.