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name="CanarieProjectNEP52" |
-- ColinLeavettBrown - 2011-06-20
PCI, PCI-X, and PCIe Comparisons
| BUS |
Clock Speed |
Type |
Width |
Max MB/s |
| PCI |
33.33 MHz |
Parallel |
32 bits |
133 |
| PCI-X 1.0 |
66 MHz |
Parallel |
64 bits |
528 |
| PCI-X 1.0 |
100 MHz |
Parallel |
64 bits |
800 |
| PCI-X 1.0 |
133 MHz |
Parallel |
64 bits |
1064 |
| PCI-X 2.0 |
266 MHz |
Parallel |
64 bits |
2128 |
| PCI-X 2.0 |
533 MHz |
Parallel |
64 bits |
4264 |
| PCIe 1.0a & 1.1 |
2.5 GHz |
Serial |
1, 2, 4, 8, 16, & 32 lanes |
8000 |
| PCIe 2.0 & 2.1 |
5 GHz |
Serial |
1, 2, 4, 8, 16, & 32 lanes |
16000 |
Notes:
- Parallel buses will only run as fast as the slowest connected device.
- Serial buses are full duplex, point to point connections, with each interconnection being composed of either 1, 2, 4, 8, 16, or 32 lanes. The maximum bandwidth specification in the table above is achieved with the aggregation of 32 lanes (i.e. PCIe x32). Bandwidth on any connection is negotiated by the two connected devices.
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