fan

I spoke to a supplier this morning regarding a back order on DS-7604NXI-K1/4P(D) NVRs. The single HDD models of these NVRs were supplied without the 40mm case fan. I've been told that due to a higher than expected number of failures, they are opening all units on arrival and retrofitting the...

Hi. I read another thread on reducing fan noise on DS-7608NI-I2/8P and wanted to share some findings concerning POWER reduction as well as noise. Since the NVR is on 24/7 this is important to me. In my installation, I do not use the PoE since cameras are on my main LAN and powered from a...

Like many other threads on here, I found my new DS-7608NI-K2-8P unbearably loud. It has a channel well technologies PSU (KSA-180S2) with a 12v 5A rail, a 52v 2.5A rail and a really noisy 40mm fan, and then a second not-quite-as-noisy 40mm fan on the case. Everyone has a different sensitivity...