Dell Precision T7400 (Late 2007) - Manual (Page 30)

30 About Your Computer
Flash EPROM 8 Mbit
Graphics bus Two PCI Express 2.0 x16 slots
Expansion
Card support
Center five connector slots support full-
length cards.
The connector slots on either side (one x8
PCI Express slot (wired as x4) and one PCI-
X card) support half-length cards.
Cards supported PCI 2.3
PCI Express 1.0A
PCI Express 2.0 x16
PCI-X 2.0A
PCI
connector one
connector size 120 pins
connector data width (maximum) 32 bits
bus transfer rate
133 MB/s
PCI-X
connectors three
connector size 188 pins
connector data width (maximum) 64 bits
bus transfer rate
800 MB/s
PCI Express x8 (wired as x4)
connectors one x8 (support x8, x4, and x1 modes/cards;
maximum x4 link width)
connector size 98 pins
connector data width (maximum) 4 PCI Express lanes
bus transfer rate
2.5 GB/s/lane/direction (raw bandwidth)
PCI Express 2.0 x16
System Information (continued)