I couldn't find my old Zalman Fanmate-2, but if I could I've had used it, just connecting it in line to the flan. A 92 mm fan at 12v moves a lot of air, way more than needed having taken the power supply out of the box. This would let you reduce the fan to 7v or 5v (or where-ever you wanted really) Big fans at 5v really are very very very quiet and still move a decent amount of air.

The NVR has small stand-up metal feet to get the base somewhat off the surface below. So the fan does actually work fine like this, but some nice rubber feet for the NVR will improve airflow a lot and reduce noise further. I couldn't find any feet in the bit box, but will probably locate some. If you were fitting new fan meshes you'd definitely want the additional clearance. Decoding Capability 2-ch@32 MP (30 fps)+2-ch@8MP（30fps）/10-ch@8 MP (30 fps)/20-ch@4 MP (30 fps)/40-ch@1080p (30 fps) Now acceptably quiet, quieter than most of the laptops in the house, I'd have to concentrate to hear it over this laptop with the cupboard door shut, with the cupboard door closed it's basically unnoticeable. The noise in the cupboard if you put your head is now a much more tolerable shhhhhhhhh noise, rather than the shrieky and grindy old one. But the 92mm fan at 12v still makes an appreciable amount of noise, and there is a lot of nasty aluminium undamped, un-braced surfaces in the box, so it definitely could be a lot quiter.cameras are rare and tend to be something like a DS-2CD63C2F-IVS Hikvision Fisheye camera. However, 12MP spread across a 360° field of view isn't actually very impressive and the image would seem of low quality. The -K and -I series are relatively similar in spec so it can be hard for users to decide which unit is best for their system. In this article we'll hopefully make the decision easier and cover the main differences focusing on: To summarize, the DS-7608NI-K2/8P and DS-7608NI-I2/8P are both excellent units and are remarkably similar in spec. Choosing one for your system really comes down to personal preference and we hope that with the above information we have made it a little easier for you to choose one for your system! Incoming Bandwidth and H.265+ - You may be wondering how you're supposed to know whether 80 Mbps worth of incoming bandwidth is enough bandwidth to support your 8 cameras. Below is a guide to roughly how many Mbps are needed by 3MP, 5MP and 8MP cameras from the Hikvision EasyIP 3.0 (G1) Family:

After ultra HD resolution mode is enabled, the NVR supports up to 8-ch 32 MP/24 MP IP video inputs. The vast majority of CUCCTV deliveries are received without incident, however if you should incur problems please notify us within 2 working days to allow us to help. Insurance is included in our delivery prices and you will be asked to sign for your goods upon delivery. In the next couple of weeks I'll also be looking at 16 and 32 channel Hikvision NVRs for bigger systems. I wired the fan into the same 12v power rail and hot glued it to the bottom of the case where the holes are.Cutting a hole for the fan (especially if you had a second hard drive so couldn't use the existing vents) might be good. There is lots of room when the power supply comes out to do this in either the lid or the base. There are enough holes in the base for this to work fine without if you don't need the second drive, but a nicer hole, a fan gasket and some fan mesh would be better. Cutting neat holes in aluminium isn't straight forward at home, so a fit from the outside fan mesh which covers your work is a nice thing. In November 2017 there was a new V4 firmware release for Hikvision NVRs which changed the user interface dramatically. However, this firmware was only made available to the -I series NVRs and this is still how the situation remains today. We aren't sure whether this firmware will be made available for the -K series. There aren't any exact measurements for how many Mbps are used by cameras running H.265+ yet but Hikvision's literature tells us that H.265+ offers a 83.7% saving over H.264 and a 66.8% saving over H.265. Centralized management of IP cameras, including configuration, information import/export, real-time information display, two-way audio, upgrade, etc.

Network Protocol TCP/IP, DHCP, IPv4, IPv6, DNS, DDNS, NTP, RTSP, SADP, SMTP, SNMP, NFS, iSCSI, ISUP, UPnP™, HTTP, HTTPS HDMI Output 4K (3840 × 2160)/60Hz, 4K (3840 × 2160)/30Hz, 1920 × 1080/60Hz, 1600 × 1200/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60Hz By Device 2-ch, 4 MP (HD network camera, H.264/H.265) video analysis for human and vehicle recognition to reduce false alarm Face Picture Library Up to 16 face picture libraries, with up to 20,000 face pictures in total (each picture ≤ 4 MB, total capacity ≤ 1 GB) In general if you aren't comfortable with working with electricity, a voltmeter and a soldering iron stop. Or if think your boss will object to what you're doing with the kit, or the PAT tester might next time they visit the office also stop!

Get a better browsing experience

You can look at our article about the New Version 4 Firmware for Hikvision NVRs if you'd like more information. HDMI Output 4K (3840 × 2160)/30 Hz, 2K (2560 × 1440)/60 Hz, 1920 × 1080/60 Hz, 1600 × 1200/60 Hz, 1280 × 1024/60 Hz, 1280 × 720/60 Hz

Adopt stream over TLS encryption technology (enhanced SDK service and RTP over HTTPS protocol) which provides more secure stream transmission service (max. 128 Mbps TLS stream outgoing bandwidth) There are currently 2 main choices for Hikvision systems with up to 8 cameras: DS-7608NI-K2/8P or DS-7608NI-I2/8P. The DS-7608NI-K2/8P is a -K series NVR and was designed to be a "middle level" product while the DS-7608NI-I2/8P is from the -I series and serves as a "top level" product. In 2015 the Hikvision DS-7608NI-E2-8P , which served as the entry level NVR, was made end of life leaving the -K series and -I series NVRs as the only choices on the market. CVBS Output N/A (1-ch is optional, BNC (1.0 Vp-p, 75 Ω), resolution: PAL: 704 × 576, NTSC: 704 × 480} I used a little (just what I had lying about spare) on the case above the hard drive. This stuff is always over-hyped, it's not going to make a big difference on it's own. But I do find it helps in improving the overall quality of the noise, even if the total volume is about the same. If you were going for a thorough solution I'd cover the whole of the case roof and any exposed large surfaces of the floor.I hot glue gunned the fan down, which provides for an air tight fit over the holes, but means it's tightly coupled to the case, and the case is nasty flappy unbraced aluminium which normally contributes to a bad noise. If you can afford a nice silicon fan gasket it'll reduce the noise substantially again. They always seem very pricey to me for what they are. HDMI Output 8K (7680 × 4320)/30Hz, 4K (3840 × 2160)/60Hz, 4K (3840 × 2160)/30Hz, 2K (2560 × 1440)/60Hz, 1920 × 1080/60Hz, 1600 × 1200/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60Hz By Device All channels, 4 MP (when enhanced SVC mode is enabled, up to 8 MP) video analysis for human and vehicle recognition to reduce false alarm