Brand originTaiwan
Supported
Supported
ACTi KNR-420
Category
Storage
First seen by Awernica
Oct 2026
Keep every device you have installed in one list – firmware, lifecycle and replacements. No card.
Software Support
Not specified
No published date
Hardware Support
Not specified
No published date
Replacement
Not specified
No verified replacement
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Specifications
From the manufacturer's product information.
Product Profile
- Product Type
- Standalone NVR
- Maximum Number of Video Devices
- 32
- Maximum Number of Clients
- Local: 1, Remote: 128
- Supported Screen Resolution
- HDMI: 3840x2160 (30Hz), 1920x1080 (60Hz), 1600x1200 (60Hz), 1280x1024 (60Hz), 1280x720 (60Hz), 1024x768 (60Hz) VGA: 1920x1080 (60Hz), 1600x1200 (60Hz), 1280x1024 (60Hz), 1280x720 (60Hz), 1024x768 (60Hz)
Hardware
- System Architecture
- Embedded SoC-based (ARM platform)
- CPU
- ARM-based embedded SoC
License
- License required
- No
- Free License
- 32
Live View
- Display Layout Mode
- 1, 4, 6, 8, 9, 16, 25, 32
- Fisheye Dewarping
- Yes (Live View, Playback)
- Local Live View performance
- [Smart IVA On] 2ch (up to 30 fps at 4K 3840 x 2160) 4ch (up to 30 fps at 4MP) 8ch (up to 30 fps at 2MP 1920 x 1080) 16ch (up to 30 fps at 720p) 32ch (up to 30 fps at D1) [Smart IVA Off] 2ch (up to 30 fps at 12MP) 2ch (up to 30 fps at 4K 3840 x 2160) 4ch (up to 30 fps at 4MP) 10ch (up to 30 fps at 2MP 1920 x 1080) 20ch (up to 30 fps at 720p) 32ch (up to 30 fps at D1)
- Event Status
- Display event status upon alarm or upon connection loss or recovery between server and client
- Instant Playback
- Instant Playback in live view window
Analytics
- NVR Built-in Analytics
- Smart Motion Detection (detect when the people, vehicles or other objects move in the predefined area), Face Comparison, Face Detection
- NVR Analytics Maximum Channels
- Smart Intrusion Protection: 2 channels Smart Motion Detection: 4 channels
- Object Recognition Database
- Face Picture Capacity: 50,000 Vehicle Picture Capacity: 25,000
- Maximum Snapshot Capacity
- Captured Face Snapshots: 500,000 Captured Vehicle Snapshots: 500,000 Captured Object Snapshots via Smart Intrusion Protection: 500,000
- Analytics from Camera
- Receive analytics based events from the cameras and respond to the events:, Face Detection; Face Comparison; Smart Motion Detection (People Detection, Vehicle Detection); Smart Intrusion Protection (Intrusion Detection, Line Crossing Detection, Enter Area Detection, Exit Area Detection); Vehicle Detection (LPR); Traffic Monitoring
Audio
- Audio Type
- 2-way, Line-in, Line-out
- Audio Compression
- G.711 A-law, G.711 u-law, AAC
Network
- Network Protocol & Service
- IPv4, IPv6, TCP, UDP, DHCP, PPPoE, HTTP, HTTPS, DNS, DDNS, NTP, RTSP, SMTP, UPnP, TLS 1.2, TLS 1.3, SNMP, IEEE 802.1X
- Ethernet Port
- 2 x Ethernet (1000 Base-T), RJ-45 connector
- Maximum Outgoing Throughput
- 128 Mbps
- Security
- TLS v1.2, TLS v1.3 encrypted communication
Recording
- Maximum Recording Throughput
- 160 Mbps
Search & Playback
- Playback Control
- Continuous forward and backward playback with speeds 1/8x, 1/4x, 1/2x, 1x, 2x, 4x, 8x, 16x, 32x, 64x, 128x, play, pause, stop
- Synchronized Playback
- 16 channels
- Smart Search
- Set ROI and look for the people and vehicles appearing in the ROI in the past recordings (requires cameras with Smart Motion Detection feature)
- Forensic Search
- Select target object (people, vehicle) and search for the similar object through all the channels
- Object Visual Tracking
- Support, View thumbnails generated by Forensic Search and playback by time sequence
System
- Server Operating System
- Embedded Linux
- Client PC Operating System
- Windows 7, Windows 8, Windows 10, Windows 11
- USB
- 2-Port USB 2.0, 1-Port USB 3.0
Integration
- ONVIF Compliant
- Yes, Profile S, Profile G, Profile T
- Web Browser
- IE 10 or newer, Google Chrome, Firefox, Microsoft Edge
Storage
- Storage Bay
- SATA, Max. 4 Disk(s) (without storage disks)
- HDD Size
- 3.5"
- Maximum Recording Capacity
- 26TB x4
- RAID Level
- Hardware RAID (on Board) 0, 1, 5, 6, 10
Interface
- Audio Interface
- 1/1, RCA Jack
- Local Access
- USB Mouse
- Local Display Interface
- HDMI x 1, VGA x 1
General
- Power Source
- DC 12V
- Weight
- 3400g(7.50lb)
- Dimensions
- (W x H x D): 440mm x 48mm x 350mm (17.3" x 1.9" x 13.8") Rack Space: 1U
- Bundled Accessories
- USB Mouse, Power Adapter
- Fan
- Yes
- Operating Temperature
- -10°C ~ 55°C (14°F ~ 131°F)
- Operating Humidity
- 10% - 90% RH, non-condensing
- Approvals
- CE, FCC, BSMI, UL Listed
- Color
- Black
- Warranty
- 2 Year(s). For extended warranty offering, see http://www.acti.com/support/warranty
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