Description
The StarTech CK4-D404C Secure 4-Port Quad-Head DVI-I KVM Switch is engineered for high-security environments that require strict isolation between multiple computer systems. Designed to meet NIAP Protection Profile 4.0 standards, this KVM switch ensures uncompromised data protection while delivering reliable multi-display performance.
Supporting quad-head DVI-I video output, the CK4-D404C enables operators to control up to four computers using a single keyboard, mouse, and multi-monitor setup. With integrated audio switching and a dedicated CAC (Common Access Card) port, it is ideal for government, defense, healthcare, and other security-sensitive applications.
The unit features automatic EDID learning for seamless display compatibility, USB emulation for uninterrupted device switching, and robust front panel controls for easy operation. Built for performance and reliability, this secure KVM switch ensures consistent signal quality and user efficiency in mission-critical environments.
| Specification | Details |
|---|---|
| Number of Ports | 4-Port Secure KVM |
| Display Support | Quad-Head (4 Displays) |
| Video Format | DVI-I Dual Link, DVI-D, XVGA |
| Maximum Resolution | Up to 3840 × 2160 @ 30Hz |
| Pixel Clock | 248 MHz |
| Data Rate | 1.65 Gbps |
| Video Input | 16 × DVI 23-pin |
| Video Output | 4 × DVI 23-pin |
| USB Input | 8 × USB Type-B |
| USB Output | 2 × USB Type-A (Keyboard/Mouse) |
| USB Emulation | USB 1.1 and USB 2.0 compatible |
| CAC Support | Dedicated configurable USB 2.0 CAC port |
| Audio Input | 4 × 3.5mm stereo |
| Audio Output | 1 × 3.5mm stereo |
| Control Interface | Front panel SELECT buttons |
| EDID Management | Automatic EDID learning |
| Input Cable Length | Up to 20 ft |
| Output Cable Length | Up to 20 ft |
| Power Requirement | External 100–240VAC, 12VDC 3A (36W) |
| Dimensions | 12.57” W × 4.9” H × 6.69” D |
| Weight | 4.2 lbs |
| Operating Temperature | 0°C to 40°C |
| Storage Temperature | -20°C to 60°C |
| Humidity | Up to 80% non-condensing |
| Compliance | NIAP PP 4.0, UL, CE, RoHS |
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
