PCIx - 1 vs 4 vs 16 for NIC

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realWasabi

Honorable
Oct 21, 2012
12
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10,510
Hi!

I'm about to "build" af pfsense box, and need at least 3 NIC's.

I have 1 onboard NIC so I need to buy 2 more. I have 4 PCI ports available for the purpose:

1x PCIe X1
1x PCI 32bit (ordinary white slot)
1x PCIe X4
1x PCIe x16

The 3 PCIe connectors all have different widths.

My questions are: Will all of these ports be plenty fast enough for a gigabit NIC? Can a PCIe x1 NIC be used in the PCIe X4 and X16 ports?

Any downsides to using PCIe NIC's?

Thanks in advance!
 
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realWasabi

Honorable
Oct 21, 2012
12
0
10,510
@aatje92 - Thanks alot mate. Do you know the answer to the other questions as well?

@ThermalV - Why do you mark the question as solved when there's more questions to be answered? Please stop doing that.
 
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