Dell Precision T7500 Service Manual page 6

Expansion Bus
Bus type
Bus speed
Two PCI Express 2.0 x16 slots (video)
Connector pins
Connector data width (maximum)
Two PCI Express 2.0 x8 slots (physical
x16 connector)
Connector pins
Connector data width (maximum)
One PCI Express 2.0 x4 slot (physical
x16)
Connector pins
Connector data width (maximum)
One PCI Slot
Connector pins
Connector data width (maximum)
One PCI-X Slot
Connector pins
Connector data width (maximum)
Drives
Externally accessible
Internally accessible
Available devices
Connectors
External connectors:
Video
PCI Express 2.0
PCI 2.3
PCI-X 2.0A
SATA 1.0 and 2.0
eSATA 2.0
SAS
USB 2.0
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)
164 pins
16 PCI Express lanes (each direction)
164 pins
8 PCI Express lanes (each direction)
164 pins
4 PCI Express lanes (each direction)
120 pins
32 bits
188 pins
64 bits
Four 5.25 inch drive bays (can support
3.5 inch flex bay)
Four 3.5 inch drive bays
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
(Depending on video card)
DVI connector
Display port