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

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

133 MB/s (PCI)

x1-slot bidirectional speed - 500 MB/s (PCI Express)

x16-slot bidirectional speed - 8 GB/s (PCI Express)

1.5Gbps 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

Connectors

 

External connectors:

 

Video

(Depending on video card)

 

DVI connector

 

Display port

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Dell T7500 service manual Expansion Bus, Drives, Connectors