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Desktop Computer Specifications: Dell OptiPlex 320 User's Guide
file:///N|/For_lekha/For%20Deepa/Nadia/UG/A00/en/nadia-temp-working-jul19/Nadia_UG_A00/Output/dt_spec.htm[5/22/2015 10:43:59 AM]
Stereo conversion
24-bit analog-to-digital; 24-bit digital-to-
analog
Controllers
Drives
up to two SATA hard drives, one optional
floppy drive and one optional SATA or IDE
optical drive
Expansion Bus
Bus type
PCI 2.3
PCI Express 1.0A
SATA 1.0A
USB 2.0
Bus speed
PCI: 133 MB/s
PCI Express x16: 8 GB/s bidirectional
speed
SATA: 1.5 Gbps and 3.0 Gbps
USB: 480 Mbps
Cards
low-profile cards supported
PCI:
connectors
two
card size
low profile
connector size
120 pins
connector data width
(maximum)
32 bits
PCI Express:
connectors
one x16
card size
low profile
power
25 W maximum
connector size
164 pins
connector data width (maximum)
sixteen PCI Express lane
Drives
Externally accessible
one 3.5-inch drive
one bay for CD/DVD or optional second
hard drive
Internally accessible
one bay for a 1-inch-high hard drive
Connectors
External connectors:
Serial
9-pin connector; 16550C-compatible
Parallel
25-hole connector (bidirectional)
Video
15-hole VGA connector
Network adapter
RJ-45 connector
USB
two front-panel and four back-panel USB