Dell Precision T7500 (Early 2009) - Manual (Page 6)

Expansion Bus
Bus type PCI Express 2.0
PCI 2.3
PCI-X 2.0A
SATA 1.0 and 2.0
eSATA 2.0
SAS
USB 2.0
Bus speed 133 MB/s (PCI)
x1-slot bidirectional speed - 500 MB/s
(PCI Express)
x16-slot bidirectional speed - 8 GB/s
(PCI Express)
1.5 Gbps and 3.0 Gbps (SATA)
480-Mbps high speed, 12-Mbps full
speed, 1.2 Mbps
low speed (USB)
Two PCI Express 2.0 x16 slots (video)
Connector pins 164 pins
Connector data width (maximum) 16 PCI Express lanes (each direction)
Two PCI Express 2.0 x8 slots (physical
x16 connector)
Connector pins 164 pins
Connector data width (maximum) 8 PCI Express lanes (each direction)
One PCI Express 2.0 x4 slot (physical
x16)
Connector pins 164 pins
Connector data width (maximum) 4 PCI Express lanes (each direction)
One PCI Slot
Connector pins 120 pins
Connector data width (maximum) 32 bits
One PCI-X Slot
Connector pins 188 pins
Connector data width (maximum) 64 bits
Drives
Externally accessible
Four 5.25 inch drive bays (can support
3.5 inch flex bay)
Internally accessible Four 3.5 inch drive bays
Available devices Up to three of the following 5.25 inch
devices: SATA DVD ROM, SATA DVD+/-
RW super multi drive/Blu-ray™ drive
One 3.5-inch USB media card reader or
one 3.5 inch Floppy Disk Drive
Up to five 3.5-inch SATA or four SAS
hard drives
Connectors
External connectors:
Video (Depending on video card)
DVI connector
Display port