Description
The Vertiv Avocent Cybex SC840DPH-400 is a secure 4-port desktop KVM switch engineered for environments requiring the highest levels of data protection. Supporting single head 4K UHD video (3840 x 2160 @ 60Hz), this NIAP Protection Profile v4.0 certified switch ensures secure isolation between multiple computers of differing security levels.
Ideal for government agencies, defense contractors, and any security-sensitive workspace, it features tamper-evident labeling, intrusion detection, and CAC (Common Access Card) support. Its universal video connectors support both DisplayPort and HDMI, offering seamless integration, while maintaining strong physical and logical isolation. With 3-year warranty coverage, optional extended warranty, and TAA compliance, the SC840DPH-400 delivers both peace of mind and high performance.
| Specification | Details |
|---|---|
| Brand | Vertiv Avocent |
| Model | SC840DPH-400 |
| Product Type | Secure Desktop KVM Switch |
| Number of Ports | 4 |
| Monitor Support | Single Head |
| Video Resolution | Up to 3840 x 2160 @ 60Hz (4K UHD) |
| KVM Technology | Digital & Analog |
| Video Interfaces | 5 x DisplayPort, 1 x HDMI |
| Peripheral Interfaces | 6 x USB, 4 x PS/2 |
| Security Certifications | NIAP PP v4.0, TAA Compliant, Tamper-Evident, Intrusion Detection |
| Audio Support | 3.5mm Audio Jack for Alerts/Notifications |
| Connectivity Technology | Wired |
| Power Supply | 100–240 VAC, 1.5A |
| Form Factor | Desktop / 1U Rack-Mountable |
| Dimensions (H x W x D) | 1.7" x 13.7" x 5" |
| Weight | 3 lbs |
| Compliance | RoHS, TAA |
| Warranty | 3-Year Limited Factory Warranty (Extended Warranty Optional) |
| Shipping Weight | 5 lbs |
| Condition | New and Factory Fresh |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery — trusted by 275+ clients across industries
