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    Upgrading Samsung SDH-C74040

    Thank you so much. Our house is very complicated so rewiring is not an option. I didnt see much difference with the picture quality when I upgraded to the Samsung. Is there a recommended model of the Dahua? I have analog (BNC) cabling currently to the outside and a few IP cams on the interior...
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    Upgrading Samsung SDH-C74040

    I have an existing SDH-C74040 1080P system. It has a lot of older cameras with exisiting analog (BNC) cables and cameras. I feed the camera to Blue Iris ( it works great) and I can monitor two houses plus my IP cameras) perfectly. I do NOT want to rewire the house. Is there an improvement...