Dell bpcwcsn_5 - OptiPlex - 740 User Manual page 33

Expansion Bus
Bus speed
Cards:
PCI:
connectors
connector size
connector data width
(maximum)
PCI Express:
connectors
power
connector size
connector data width
(maximum)
Drives
Externally accessible
Internally accessible
Connectors
External connectors:
Serial
Parallel
Video
Optional DVI
PCI: 133 MB/s
PCI Express x16: 40 GB/s bidirectional speed
PCI Express x1: 2.5 Gbps
SATA: 1.5 Gbps and 3.0 Gbps
USB: 480-Mbps high speed, 12-Mbps full speed, 1.2-Mbps low
speed
full-height cards supported
two
124 pins
32 bits
one x1 and one x16
10 W (x1) and 75 W (x16) maximum
36 pins (x1) and 164 pins (x16)
one PCI Express lane (x1) and 16 PCI Express lanes (x16)
two 3.5-inch drive bays, including support for up to two 3.5-inch
hard drives
two 5.25-inch drive bays
two bays for 1-inch-high hard drives
9-pin connector; 16550C-compatible
25-hole connector (bidirectional)
15-hole VGA connector
36-pin connector
NOTE:
This option uses one of the PCI slots.
Mini Tower Computer
33