i-PRO WJND400/3000T3 Network Video Recorder with 3TB HDD

We've deployed the WJND400/3000T3 in mid-tier centralized surveillance setups—government offices, retail chains with 2-4 locations, warehouse operations—where the volume of simultaneous streams and retention window justify a dedicated rack-mount appliance rather than a tower NVR. The real strength is simplicity: no complex VMS licensing, no cloud subscription overhead, no vendor lock-in on analytics. It records video reliably to local disk, and operators can review or export footage using the included viewer. That straightforward model appeals to system integrators managing a dozen sites on a predictable capex and opex. The bandwidth controls are particularly valuable in hybrid deployments where some cameras feed the NVR locally (corporate HQ, warehouse) and others stream over WAN (remote retail). You can cap remote playback to 512 kbps without starving the local recording pipeline. We've also found the emergency recording input indispensable—wiring a motion relay from an access control panel or a tamper switch from a dome directly to the NVR ensures that high-value events trigger priority recording even if the network monitoring software is offline. The trade-off: 3TB storage is modest. On a 16-camera system at full bitrate, you're looking at 30-50 days of continuous recording before the disk rolls over. Larger deployments need either higher bitrate discipline (reduce resolution or frame rate on non-critical cameras) or external archival strategy. Also, the 280x960 output resolution is a ceiling—you cannot exceed that display width on a single monitor without external scaling. Confirm your operator display requirements early. Don't deploy this NVR expecting real-time IP camera stream multicasting or ONVIF discovery integration unless the upstream cameras explicitly support it; assume vendor-specific protocols unless evidence says otherwise.

Technical Highlights:

• H.264 Compression at Device Level: Video is encoded to H.264 on arrival; bitrate tuning per group reduces aggregate network load. On a 16-camera system, this can cut WAN bandwidth 50-70% versus uncompressed or lightly compressed streams from the cameras themselves.
• Flexible Client Bandwidth Allocation: Each remote playback client can be capped independently (32 kbps to 10 Mbps, or unlimited). In a 4-site deployment with a single 10 Mbps WAN link, you can serve 4 simultaneous remote operators at 2 Mbps each during business hours, then unlock to 10 Mbps for archive retrieval after hours.
• Emergency Recording + Power Failsafe: Hardwired alarm inputs bypass network logic entirely. A relay closure from an access control panel will trigger immediate priority recording even if network monitoring software is unresponsive—critical in high-security environments or theft-prone retail locations.
• 3TB Capacity with Local Lifecycle: Disk rollover is predictable; with proper bitrate tuning, you know your retention window. External archival (burn to USB/external HDD) is supported via the PC viewer; no complex NAS or cloud integration required.
• Rack-Mount Integration: 19-inch form factor fits standard racks alongside PoE switches and UPS; eliminates the need for separate furniture or cable glands for a tower appliance.

Deployment Considerations:

• Confirm upstream camera protocol (ONVIF, RS-422, proprietary). The WJND400/3000T3 will integrate with multi-vendor cameras only if they share a common standard; otherwise, you are locked to a single camera family.
• Plan storage lifecycle early. 3TB on a 16-camera system at 500 kbps aggregate bitrate gives approximately 40 days of 24/7 recording. Larger sites or higher retention windows require external archival workflow or multiple NVR units.
• The D-sub 25-pin control interface is legacy but robust—test relay logic (motion input, alarm output) on a bench before final installation to confirm pin assignments and relay voltage compatibility with upstream access control panels.
• Operating temperature range +5°C to +45°C is suitable for climate-controlled equipment rooms but not outdoor or uncontrolled environments. Verify your server room HVAC setpoint; emergency generator rooms or uninsulated closets may exceed the upper limit.
• Display output is 280x960 max. If you require full HD or 4K operator displays, scale video externally or plan multi-monitor tiling—the NVR itself will not exceed that resolution.

The i-PRO WJND400/3000T3 is the right choice for integrators building mid-tier centralized recording systems where simplicity, local storage reliability, and vendor independence matter more than cutting-edge analytics or cloud integration. Avoid it if you need real-time 4K playback, extensive forensic metadata extraction, or VMS-native management—those requirements call for modern IP-native appliances. For traditional CCTV-to-IP migration or small-to-mid commercial sites where reliable local recording and straightforward export matter most, this is a proven workhorse. Explore more options in the i-PRO catalog.