Hanwha HRX-435 vs Speco Technologies D4WVN6TB: Specification Comparison
Both the Hanwha HRX-435 and the Speco Technologies D4WVN6TB are 4-channel digital video recorders designed for analog-hybrid surveillance deployments. The HRX-435 is a rack-mount pentabrid DVR supporting AHD, HDTVI, HDCVI, CVBS, and IP cameras up to 8MP, while the D4WVN6TB is a wall-mount 4K TVI DVR with 6TB onboard storage and TAA/NDAA compliance. Buyers evaluating either unit are typically expanding or retrofitting analog camera infrastructure while maintaining some IP flexibility. This comparison addresses channel capacity and resolution, physical form factor and operating environment, and integration and compliance requirements.
In This Guide
- Which DVR delivers more recording capacity, channel flexibility, and maximum resolution?
- How do the two units differ in physical form factor, mounting, and environmental ratings?
- Which unit offers stronger ecosystem integration, remote management, and compliance credentials?
- Which should you choose: the HRX-435 or the D4WVN6TB?
- Side-by-Side Specs
- FAQ
Which DVR delivers more recording capacity, channel flexibility, and maximum resolution?
The HRX-435 supports 4 analog channels (BNC, 1Vp-p, 75Ω) accepting AHD, HDTVI, HDCVI, and CVBS signals up to 8MP, and expands to a maximum of 6 network camera channels simultaneously, for a combined maximum of 6 active channels. Maximum analog recording rate is 30fps per channel at 2MP/720p; at 8MP the rate drops to 8fps per channel. Recording bandwidth is capped at 30Mbps with playback bandwidth up to 32Mbps across 6 channels simultaneously. Two SATA bays accept drives up to 6TB each, for a total raw capacity of 12TB.
The D4WVN6TB is specified as a 4-channel 4K TVI DVR with 6TB onboard storage included. The spec sheet does not disclose the number of HDD bays, maximum raw storage beyond the shipped 6TB, per-channel frame rates, or recording bandwidth figures. Compression is listed as H.265 and H.264. The unit ships with storage pre-installed, which reduces procurement steps but leaves maximum expandability unspecified.
On documented capacity metrics, the HRX-435 has a clear advantage: up to 12TB raw storage across dual SATA bays, a stated 30Mbps recording bandwidth, and an expandable 6-channel maximum including IP cameras. The D4WVN6TB ships with 6TB but its ceiling is not specified in the provided data. The HRX-435 also explicitly supports analog signals beyond TVI (AHD, CVI, CVBS), giving broader camera compatibility.
How do the two units differ in physical form factor, mounting, and environmental ratings?
The HRX-435 is a rack-mount unit (1U) measuring 370mm × 44mm × 320mm and weighing approximately 2.3kg without drives. It is constructed from metal with a black finish. Operating temperature range is 0°C to +40°C with 20–85% RH non-condensing. Input voltage is DC 12V; maximum power draw is 40W with four 6TB HDDs installed. Certifications listed are UL, CE, FCC, and KC. No IP or IK environmental ingress rating is specified for the HRX-435.
The D4WVN6TB is a wall-mount form factor unit measuring 17.5 × 15.5 × 4.8 inches and weighing 8.0 lbs (approximately 3.6kg). It carries an IP67 ingress protection rating and an IK10 impact resistance rating. It also lists PoE+ (802.3at) power capability. Housing color is white. Operating temperature range, input voltage, and maximum power draw are not specified in the provided data. TAA and NDAA compliance are listed.
Form factor is a primary differentiator: the HRX-435 targets rack-mount server rooms or AV cabinets, while the D4WVN6TB is purpose-built for wall-mount retrofit scenarios where rack space is unavailable. The D4WVN6TB's IP67 and IK10 ratings indicate suitability for harsher or less-controlled environments; the HRX-435 carries no such environmental ratings. However, the HRX-435's operating temperature and humidity envelope are explicitly documented, while those parameters are absent from the D4WVN6TB's provided specifications.
Which unit offers stronger ecosystem integration, remote management, and compliance credentials?
The HRX-435 integrates deeply with the Hanwha/Wisenet ecosystem: it supports SUNAPI, ONVIF Profile-S, and a broad network protocol stack (TCP/IP, UDP/IP, RTP, RTSP, HTTP, HTTPS, DHCP, PPPoE, SMTP, SNMP, DNS, DDNS, uPnP). Remote access is available via Wisenet Mobile (iOS and Android), SSM, SmartViewer, and a web viewer. Maximum concurrent remote users are 10 live unicast, 20 multicast, and 3 search sessions. Security features include IP address filtering, user access logging, 802.1x authentication, and encryption for ID/PW, recordings, transmission, and backups, plus a Hanwha Techwin device certificate. PTZ control is available via GUI, web viewer, SSM, SmartViewer, Wisenet Mobile, and system controllers. Coaxial control supports CVBS (Pelco-C), AHD, CVI, and TVI. The unit supports RS-485/422 for PTZ using Samsung-T, Pelco-D, and Pelco-P protocols. ARB (Automatic Recovery Backup) redundancy is supported. Certifications are UL, CE, FCC, and KC; NDAA and TAA status are not stated in the provided specifications.
The D4WVN6TB lists ONVIF support, H.265/H.264 compression, two-way audio with a built-in microphone, and onboard analytics. TAA (Trade Agreements Act) and NDAA (National Defense Authorization Act) Section 889 compliance are explicitly certified, which is a mandatory requirement for US federal, DoD, and many state/local government procurements. VMS compatibility is noted as 4K TVI. The spec sheet does not disclose remote user limits, specific network protocols, PTZ control interfaces, mobile app support, or a named VMS/CMS software suite beyond the TVI standard.
The HRX-435 provides a substantially more detailed and documented integration picture: named VMS software, explicit protocol lists, concurrent user limits, PTZ control paths, and layered security features. The D4WVN6TB holds a decisive compliance advantage for government and federally funded deployments through its TAA and NDAA certifications — credentials not claimed by the HRX-435 in the provided data. Buyers requiring federal compliance must consider this a hard requirement favoring the D4WVN6TB, while those prioritizing ecosystem depth and remote management will find the HRX-435 better documented.
Which should you choose: the HRX-435 or the D4WVN6TB?
Our take: The HRX-435 is the stronger choice when maximum storage capacity, multi-protocol analog compatibility, and a documented remote-management ecosystem are the primary requirements. On capacity, the HRX-435 supports up to 12TB across dual SATA bays versus the D4WVN6TB's specified 6TB with no documented expansion ceiling. On channel flexibility, the HRX-435 accepts AHD, HDTVI, HDCVI, CVBS, and up to 6 IP cameras, while the D4WVN6TB is specified only as a 4K TVI recorder. On integration, the HRX-435 lists 10 concurrent live unicast users, ONVIF Profile-S, SUNAPI, and a named mobile/VMS app suite; the D4WVN6TB's remote-access specifications are not disclosed. However, the D4WVN6TB carries TAA and NDAA Section 889 compliance, IP67 ingress protection, and IK10 impact resistance — credentials and ratings absent from the HRX-435's spec sheet. Choose the D4WVN6TB for government or federally funded projects, wall-mount retrofit sites, or environments requiring ingress protection.
Side-by-Side Comparison
Spec-for-spec, from manufacturer data.
| Specification | Hanwha HRX-435 | Speco Technologies D4WVN6TB |
|---|---|---|
| Analog Channels | 4 (BNC) | 4 (TVI) |
| Analog Signal Types | AHD / HDTVI / HDCVI / CVBS | 4K TVI |
| Max Analog Resolution | 8MP | 4K (per product name; datasheet not detailed) |
| IP Camera Channels | Up to 6 (ONVIF / SUNAPI) | — |
| Max Total Active Channels | 6 | — |
| Storage Included | None (drives sold separately) | 6TB (included) |
| Max Raw Storage | 12TB (2× SATA, up to 6TB each) | — |
| HDD Bays | 2× SATA | — |
| Recording Bandwidth | 30Mbps max | — |
| Video Compression | H.265 / H.264 / MJPEG | H.265 / H.264 |
| ONVIF | Yes (Profile-S) | Yes |
| Mount Type | Rack (1U) | Wall Mount |
| IP Rating | — | IP67 |
| Impact Rating | — | IK10 |
| TAA / NDAA Compliance | — | TAA + NDAA certified |
| Certifications | UL, CE, FCC, KC | NDAA (TAA stated) |
| Operating Temperature | 0°C to +40°C | — |
| Max Power | 40W (with 4× 6TB HDD) | — |
| Dimensions (W×H×D) | 370 × 44 × 320 mm | 17.5 × 15.5 × 4.8 in |
| Weight | ~2.3 kg (without full HDD load) | 8.0 lbs (~3.6 kg) |
| Remote Mobile App | iOS & Android (Wisenet Mobile) | — |
| Max Live Remote Users | 10 unicast / 20 multicast | — |
| Two-Way Audio | Yes (4 line in / 1 line out) | Yes (built-in mic) |
| Alarm Inputs / Outputs | 4 in / 2 relay out | — |
Frequently Asked Questions
Which should you choose: the HRX-435 or the D4WVN6TB?
The HRX-435 is the stronger choice when maximum storage capacity, multi-protocol analog compatibility, and a documented remote-management ecosystem are the primary requirements. On capacity, the HRX-435 supports up to 12TB across dual SATA bays versus the D4WVN6TB's specified 6TB with no documented expansion ceiling. On channel flexibility, the HRX-435 accepts AHD, HDTVI, HDCVI, CVBS, and up to 6 IP cameras, while the D4WVN6TB is specified only as a 4K TVI recorder. On integration, the HRX-435 lists 10 concurrent live unicast users, ONVIF Profile-S, SUNAPI, and a named mobile/VMS app suite; the D4WVN6TB's remote-access specifications are not disclosed. However, the D4WVN6TB carries TAA and NDAA Section 889 compliance, IP67 ingress protection, and IK10 impact resistance — credentials and ratings absent from the HRX-435's spec sheet. Choose the D4WVN6TB for government or federally funded projects, wall-mount retrofit sites, or environments requiring ingress protection.
Can I mix analog and IP cameras on either of these DVRs?
The HRX-435 explicitly supports a hybrid configuration: 4 analog BNC channels (AHD, HDTVI, HDCVI, CVBS up to 8MP) plus up to 6 network camera channels concurrently, via ONVIF and SUNAPI. The D4WVN6TB is described in the provided specifications as a 4K TVI DVR; IP camera channel support is not documented in the available spec data. If IP camera integration is a requirement, the HRX-435's hybrid capability is clearly specified; the D4WVN6TB's IP compatibility cannot be confirmed from the provided specifications alone.
Is either DVR approved for federal or government installations?
The D4WVN6TB is explicitly listed as TAA and NDAA Section 889 certified, making it suitable for US federal, DoD, and many government-funded procurement programs that prohibit equipment from certain manufacturers. The HRX-435's provided specifications do not include a TAA or NDAA compliance claim. Buyers with federal or government procurement requirements should treat NDAA/TAA certification as a hard filter and evaluate the D4WVN6TB accordingly.
Which unit is better suited for a retrofit installation with limited rack space?
The D4WVN6TB is purpose-built as a wall-mount DVR (17.5 × 15.5 × 4.8 in), designed for installations where rack cabinets are unavailable or impractical. Its IP67 and IK10 ratings also support placement in less-controlled environments. The HRX-435 is a 1U rack-mount unit (370 × 44 × 320mm) requiring a standard equipment rack or shelf. For space-constrained or wall-mount retrofit scenarios, the D4WVN6TB's form factor is the appropriate choice; for server room or rack deployments, the HRX-435 is the natural fit.
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