Which CCTV systems will interchange with a Dahua system?

Something like an intel i350 dual nic will work with almost anything. I think these usually take an x4 pcie slot, but you can find other nics that take an x1 slot. I’m surprised your old hp tower doesn’t have a suitable pcie slot.

Yes, let us know how it comes together.
 
Something like an intel i350 dual nic will work with almost anything. I think these usually take an x4 pcie slot, but you can find other nics that take an x1 slot. I’m surprised your old hp tower doesn’t have a suitable pcie slot.

Yes, let us know how it comes together.
I had a look. 3 PCI slots. It's too old for PCIe.
 
I had a look. 3 PCI slots. It's too old for PCIe.
Strikes me that I could resurrect one of my old Pentium P4 computers and network the cameras into it, without the computer being connected to the Internet. I could connect an n pole PoE switch to its network socket. Load Blue Iris and off we go :D or have I missed something?
 
From => Home - Blue Iris Software

Minimum System Requirements
  • Pentium dual-core or equivalent 2GHz processor or better
  • 8GB or more system RAM
  • Microsoft Windows 7 or newer OS (equivalent server OS as well)
  • One or more USB or Network IP cameras, or an analog capture card with DirectShow drivers
 
Minimum System Requirements
  • Pentium dual-core or equivalent 2GHz processor or better
  • 8GB or more system RAM
  • Microsoft Windows 7 or newer OS (equivalent server OS as well)
  • One or more USB or Network IP cameras, or an analog capture card with DirectShow drivers
Thanks Tony. I looked at some Blue Iris threads earlier and it appears the program won't run on my AMD computer. I'll have a look at s/h Win 10 computers on ebay.
 
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Thanks Tony. I looked at some Blue Iris threads earlier and it appears the program won't run on my AMD computer. I'll have a look at s/h Win 10 computers on ebay.
AFAIK, you don't have to use Intel's QuickSync now that BI can work with substreams.

But looking at some gen 8 or above Intel-based PC's is not a bad idea.
 
Police Visitor.JPG Here is the spec. and blurb sheet together with an image I captured today of a police patrol car - the only one I have ever seen since we were burgled almost exactly a year ago!!! When you have all stopped laughing, I can tell you I bought this setup at least 15years ago.
The camera ,mounted on the front left side of the garage is showing its age-(about a third of the IR lights have failed) and the number plate of the car was about 19ft from the lens.
Currently the DVR is in the garage along with an old HP screen whose age is also indeterminate, but it works. You can see from the blurb that the cam is a 760. Is it worth buying a more modern cam which will be compatible with the DVR as an interim measure before I start digging a 35ft long slot for the cables from the house to the garage for the new setup.
 

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