System Board Connectors; Graphics / Video Controller; External Ports / Connectors - Dell OptiPlex 3020 Technical Manualbook

System Board Connectors

NOTE: See Detailed Engineering Specifications for maximum card dimensions.
PCIex16 Gen 2
PCIex1
M.2 2230
Total expansion

Graphics / Video Controller

NOTE: MT supports full height (FH) cards and SFF supports low profile (LP) cards.
Intel HD Graphics
Discrete Graphics Card Options
1GB AMD Radeon HD8490
1GB AMD Radeon HD8570
2 GB AMD Radeon™ R7 250
*after June 2014
1 GB AMD Radeon™ R5 240
*after June 2014

External Ports / Connectors

NOTE: MT supports full height (FH) cards and SFF supports low profile (LP) cards. See chassis
diagrams section for port/connector locations
USB 2.0 (Front / Rear /
Internal)
USB 3.0 (Front / Rear /
Internal)
Network Connector (RJ-
45)
Serial
PS/2
Parallel
Video
VGA
DisplayPort 1.2
HDMI
Audio
Dell - Internal Use - Confidential
14 Room for text | Dell Inc., 2015
MT
1FH
3FH
NA
4 slots
MT
X
Optional
Optional
Optional
Optional
MT
2 / 4 / 1
0 / 2 / 0
1
Via optional add-on bracket or PCIe card
Via optional add-on bracket
Via optional PCIe card
1
1
N/A
SFF
1HH
1HH
2 slots
SFF
X
SFF
2 / 4 / 0
0 / 2 / 0
1
1
1
N/A
Micro
N/A
N/A
1 slot
1 slot
Micro
X
N/A
N/A
Micro
1/3/1
1/1/0
1
Via optional daughter
card
Via optional daughter
card
N/A
1
1
N/A