Dell XPS 600 Owner's Manual page 128

Audio
Type
Expansion Bus
Bus type
Bus speed
Bus throughput
PCI
connector
connector size
connector data width (maximum)
PCI Express
connector
connector size
connector data width (maximum)
PCI Express
connector
connector size
connector data width (maximum)
Drives
Externally accessible:
Available devices
Internally accessible:
128
Appendix
AC97 7.1 channel
PCI 32-bit
PCI Express x1 and x16
PCI: 33 MHz
PCI Express: 2.5 Gb/s raw bandwidth (bidirectional) per lane
PCI Express:
x1 slot bidirectional speed — 500 MB/s
x16 slot bidirectional speed — 8 GB/s
three
120 pins
32 bits
NOTE:
If a graphics card is installed in each of the PCI Express x16
card slots in the dual-graphics configuration, the PCI Express x1 card
slot is not accessible for use.
one x1
36 pins
1 PCI Express lane
two x16
164 pins
16 PCI Express lanes
one 3.5-inch drive bays
three 5.25-inch drive bays
Serial ATA drive, floppy drive, memory devices, CD drive, CD-RW
drive, DVD drive, DVD-RW drive, and DVD and CD-RW combo
drive, media card reader
three bays for 1-inch high hard drives