Dell OptiPlex 755 User Manual page 36

Video
Type
Audio
Type
Stereo conversion
Controllers
Drives
Expansion Bus
Bus type
Bus speed
Cards:
PCI:
connectors
connector size
connector data width
(maximum)
PCI Express:
connectors
power
connector size
connector data width
(maximum)
36
Mini Tower Specifications
Intel Graphics Media Accelerator 3100 or DVI add-in card in PCI
Express x16 slot or PCI Express x16 graphics card
ADI 1984 High Definition Audio
24-bit analog-to-digital; 24-bit digital-to-analog
four SATA controllers and one eSATA controller supporting one
device each
PCI 2.3
PCI Express 1.0A
SATA 1.0A and 2.0
USB 2.0
PCI: 133 MB/s
PCI Express x16: 8 GB/s bidirectional speed
PCI Express x1: 5 Gbps
SATA: 1.5 Gbps and 3.0 Gbps
USB: 480 Mbps
full-height cards supported
two
two 164 pin connectors
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)