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XPS 8940, add 2nd LAN PCIe 10/100/1000 ethernet card

I have a Dell XPS 8940 on order. I intend to use this PC for control/monitoring of my home security system. I will need to add a 2nd isolated LAN (additional ethernet interface). This additional ethernet port will be connected externally to a POE ethernet switch for use with my security cameras. What is the recommended PCIe 10/100/1000 ethernet card for this purpose?

 

bbdude
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Re: XPS 8940 Add 2nd LAN PCIe Ethernet 10/100/1000 Ethernet Card

Wouldn't any PCIe Ethernet card be suitable for this purpose? Perhaps this Dell Ethernet card will work: https://www.dell.com/en-us/shop/tp-link-tg-3468-pcie-network-adapter-gigabit-ethernet/apd/a9008619/n...

 

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Re: XPS 8940 Add 2nd LAN PCIe Ethernet 10/100/1000 Ethernet Card

And there's always a USB3>Ethernet dongle...

Ron

   Forum Member since 2004
   I'm not a Dell employee

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Re: XPS 8940 Add 2nd LAN PCIe Ethernet 10/100/1000 Ethernet Card

PCI-E ethernet is NOT recommended for many reasons.

If you need an additional port you do that via USB2

https://www.amazon.com/Plugable-Ethernet-10-100-1000-Compatible-Chromebook/dp/B003VSTDFG

The specific model is recommended because most OS recognize this without needing to install drivers.

Its plug and play.


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Re: XPS 8940 Add 2nd LAN PCIe Ethernet 10/100/1000 Ethernet Card

The only advantage of a USB Ethernet adapter is convenience. For many reasons, a PCIe Ethernet card is better: https://superuser.com/questions/294017/what-difference-does-it-make-whether-the-computer-uses-usb-et...

If you have reasons to not recommending a PCIe Ethernet card please cite them.

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Re: XPS 8940 Add 2nd LAN PCIe Ethernet 10/100/1000 Ethernet Card

Yes, I am definitely looking for a PCIe 10/100/1000 ethernet card. This will need to handle multiple 4K / 8 MP / 60 Hz ONVID video streams. I definitely don't want to be throttled by USB2 max speed of 480 Mbps and other USB overhead issues. I suppose a USB3 to Ethernet adapter might do the job but I expect the PCIe interface would facilitate the highest performance (16 G transfers/sec) with the least bottleneck. 

So speedstep are there are other reasons to go with USB vs. PCIe (other than convenience) ?

 

bbdude
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Re: XPS 8940 Add 2nd LAN PCIe Ethernet 10/100/1000 Ethernet Card

The TP-LINK TG-3468 PCIe Ethernet card Vic384 linked-to would probably do the job just fine. The only reservation I had against it and other 10/100/1000 Ethernet cards I found on amazon & Newegg was that most of them are 10+ year-old designs and I was skeptical about the actual PCIe throughput (all were PCIe 1.0) and the level of Windows-10 support.

After looking a little further I discovered that there are a number of newer PCIe cards that support 10/100/1000/2.5G (quad speed) Ethernet. For example, this card is a much newer design and supports PCIe 2.1 :

https://www.newegg.com/rosewill-rc-20001/p/N82E16833166146

 

 

bbdude
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