Please allow ~2-3 weeks to dispatch for quality control. Product images are for illustrative purposes only and may contain AI-generated content; they may not represent the final product you receive. Products are subject to the cosmetic grading policy detailed here.
If you are ordering a device that does not include a Windows 11 licence as standard, please check Microsoft's minimum system requirements to confirm if it can be upgraded later should you wish to do so.
The Dahua DHI-NVR5432-16P-4KS2E is a certified refurbished 32-channel 1.5U network video recorder featuring a quad-core embedded processor, Embedded LINUX OS, 320 Mbps incoming bandwidth, 16 PoE ports, 4 SATA III ports (up to 10 TB per HDD), 4K HDMI output, and rack-mountable design at 440 x 411.2 x 76 mm weighing 4.65 kg net. This powerful NVR supports up to 12MP IP cameras with H.265 Pro compression for efficient 4K surveillance storage, making it ideal for edge, central, or backup roles in professional security setups. Enjoy seamless integration with third-party cameras and advanced AI features at a fraction of the original cost through Reboot IT's verified refurb process.
Practical Use Cases
Deploy this NVR for comprehensive video surveillance in businesses, warehouses, retail spaces, or homes requiring high-channel capacity and PoE convenience—power and connect up to 16 cameras directly without extra cabling. It excels in large-scale monitoring with multi-screen views up to 36/64 channels, motion detection across 396 zones, and AI capabilities like perimeter protection on 20 channels. Perfect for systems needing reliable 4K decoding (4-ch@8MP or 16-ch@1080p) and features such as ANPR, POS integration, and fisheye dewarping.
Key Features and Benefits
- 32 IP channels with max 12MP resolution and smart compression reducing bitrate by up to 70% for cost-effective storage.
- 16 PoE ports (IEEE802.3af/at, ports 1–8 with 800m ePoE) delivering up to 25.5W per port and 150W total, simplifying installations.
- Robust connectivity including 1 Gigabit Ethernet, HDMI/VGA outputs, RS232/RS485, 3 USB ports, 16 alarm ins, and 6 relay outs.
- Advanced video management: ONVIF 2.4 support, mobile access via iOS/Android, and protocols like HTTP, RTSP, SNMP for easy integration.
Technical Specifications
- Channels: 32 IP camera inputs (up to 12MP).
- Processor/OS: Quad-core embedded processor, Embedded LINUX.
- Storage: 4 SATA III (up to 10 TB each), 1 eSATA.
- Video Output: 2 HDMI (HDMI1 up to 4K), 2 VGA.
- Decoding: 4-ch@8MP(30fps) or 16-ch@1080p(30fps).
- Network: 16 PoE ports, 1 RJ-45 10/100/1000 Mbps.
- Dimensions: 440 mm × 411.2 mm × 76 mm.
- Weight: 4.65 kg (net, without HDD), 7 kg (gross).
- Power: 100–240V AC, <17.5W (without HDD/PoE).
- Operating Temperature: -10°C to +55°C.
Embedded LINUX OS Pros and Cons
Embedded LINUX provides stability and custom optimisation for surveillance tasks, ensuring reliable 24/7 operation with low resource overhead. However, it lacks a full graphical desktop, limiting user-friendliness compared to general-purpose OSes and requiring web or dedicated software for advanced configuration.
Quality Assurance and Warranty
This unit is a verified refurb by Reboot IT's thorough testing process—we tested all features and functions using cutting-edge software to confirm full operational performance, including ports, decoding, network, and storage interfaces. Reboot IT has been an expert in the industry since 2001, sourcing from trusted sectors and replacing faulty parts with originals for like-new reliability. Sold by Reboot IT with 1 year warranty for peace of mind.
Excellent grade units show only minor signs of use, barely noticeable, while Good grade units have more visible wear like light scratches or scuffs but remain fully functional.
Order your certified refurbished Dahua NVR today and upgrade your surveillance with proven performance and savings!
| Interface(s) | None |
| Number Of Lines | None |
| Condition | A |
| Model | DAHUA NETWORK VIDEO RECORDER |
| Type | Conventional System |
| Colour | Black |
| Modified Item | None |
| Brand | Dahua |
| Part Number | DHI-NVR4108HS-8P-4KS2 |
| Custom Bundle | No |
| Bundle Description | None |
Refurbished Computers - Cosmetic Grading Guide
Our supplier's refurbished hardware is typically graded either "Excellent" or "Good", however, some legacy products were graded under a letter grading system (A, B, C). Please find the definitions for each grade below and contact us if you're uncertain of a device's grade.
Used Smartphone / Refurbished Mobile Phones
"Excellent" Grade
Devices in this category appear like new, with very minor wear. Expect light or fine scratches on the screen that are shallow enough not to catch on a fingernail. The edge around the glass is virtually flawless, save for possible light scratching around the power port. The back plate may show light/fine scratches, including on the Apple logo, with any discoloration being minimal.
"Good" Grade
These devices are characterized by being fully tested and functional even if they have body scratches, minor paint chips, or a small hairline crack on the screen. Screens are free from dead pixels but may exhibit slight scratching from moderate use.
Refurbished Desktops, Laptops and Monitors
"Excellent" Grade - Laptops
Reserved for units that show barely any signs of previous use, these laptops may exhibit very minor scuffing or abrasions, associated only with minimal standard use. The keyboards show light wear, and importantly, the screens are pristine, free from any scratches, cracks, chips, dead pixels, dark spots, discoloration, or blemishes.
"Excellent" Grade - Desktops
Desktop PCs in the "Excellent" grade category are free from deep scratches, cracks, paint chips, or any broken/missing pieces, ensuring a sleek and almost-new aesthetic.
"Excellent" Grade - Monitors
"Excellent" grade is reserved for units that show evidence of very little to no previous use. Any wear on an "Excellent" Display, including housing/frame and/or external surfaces (i.e. Frame) is associated with standard minimal use. "Excellent" units may have minor scuffing and / or minor abrasions on plastics with from standard light previous use."Excellent" Displays will feature no scratches, cracks, chips, dead pixels, dark spots, discoloration or blemishes. Units will only feature the standard minimal wear and tear that is associated with a used unit.
"Good" Grade - Laptops
"Good" laptops may feature one or several small dings or dents on covers and / or small paint chips on the surface or small hairline cracks in the bezel. Laptop screens may feature uneven light diffusion in screen and may feature subtle blemishes. "Good" Laptops will not feature cracks screens but may feature slight scratching, dead pixels or white spots on the screen.
"Good" Grade - Desktops
"Good" grade desktops may have light scratches on external body and may feature more excessive unit housing and/or external case wear than "Excellent" units, including wear on case / lid. "Good" PCs may feature one or several small dings or dents on covers and / or small paint chips on the surface.
"Good" Grade - Monitors
Displays in the "Good" grade have been fully tested and are functional but may include scratches on body, small paint chips, minor cracks on body, loose and/or wobbly bases. "Good" Display screens may feature uneven light diffusion in screen and may feature subtle to moderate blemishes. "Good" Displays will not feature cracks on screens but may feature slight scratching on screen surfaces from moderate use or wear, dead pixels or white spots on the screen.
Legacy letter grading
Used Smartphone / Refurbished Mobile Phones
A Grade
- No chips, scratches or cracks on the front glass and housing
- No missing or alternative parts
- No sign of liquid damage
- Battery cannot be swollen
B Grade – Same as A Grade except:
- May have light scuffs but no chips or cracks
- Light scratches on housing or front glass
C-Grade – Same as B Grade except:
- Unlimited long shallow scratches on the front glass
- No chips or cracks on the front glass
- Unlimited scratches, chips/dents on back cover housing and corners
- Minor cracks allowed
- Customized housing and aftermarket covers allowed
Refurbished Desktops, Laptops and Monitors
A-Grade
- Overall excellent to very good cosmetic condition. Some may be pristine, others may have light scratches or minor blemishes
- Laptops may have some shiny areas around the keyboard such as the space bar, touchpad or touchpad buttons
- Keyboard keys will be in excellent condition
- Laptop and monitor screens will be blemish free
- Cosmetic blemishes will not impact the overall functionality or performance of the device
B-Grade
- Will have some cosmetic blemishes that include scratches and/or other imperfections
- Minor scratches and dents on the housing
- Laptops may have shiny keys or shiny surfaces around the keyboard however all characters will be legible
- Laptop and monitors screens will have imperfections such as minor scratches, minor chips and/or white spots. There will be no cracking on the screen
- Have the same warranty as A Grade
- Pricing will be cheaper than A Grade
C-Grade
- Same as B-Grade except may have unlimited scratches/blemishes on the screen
- May have cracks/chips or dents on the housing
- Have the same warranty as A Grade
- Pricing will be cheaper than B Grade
