Dell OptiPlex 740 - Manual (Page 129)

Capable of 10/100/1000 communication
Video
Type nVidia integrated video (DirectX 9.0c Shader Model
3.0 Graphics Processing Unit) or PCI Express x16
graphics card or DVI graphics card
Audio
Type Sigma Tel 9200 CODEC (2.1 Channel Audio)
Stereo conversion 24-bit analog-to-digital; 24-bit digital-to-analog
Controllers
Drives two SATA controllers supporting two devices each,
including two 3.5-inch hard drives
Expansion Bus
Bus type PCI 2.3
PCI Express 1.0A
SATA 1.0A and 2.0
USB 2.0
Bus speed 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
Cards: full-height cards supported
PCI:
connectors two
connector size 124 pins
connector data width
(maximum)
32 bits
PCI Express:
connectors one x1 and one x16
power 10 W (x1) and 75 W (x16) maximum
connector size 36 pins (x1) and 164 pins (x16)
connector data width (maximum) one PCI Express lane (x1) and 16 PCI Express lanes
(x16)
Drives
Externally accessible two 3.5-inch drive bays, including support for up to
two 3.5-inch hard drives
two 5.25-inch drive bays
Internally accessible two bays for 1-inch-high hard drives
Connectors
External connectors:
Serial 9-pin connector; 16550C-compatible
Parallel 25-hole connector (bidirectional)
Video 15-hole VGA connector
Optional DVI 36-pin connector
NOTE: This option uses one of the PCI slots.
Network adapter RJ45 connector
Optional PS/2 with secondary serial port
adapter two 6-pin mini-DINs