Avocent Cybex SC840DP Secure KVM Switch
The Avocent Cybex SC840D is a 4-port secure desktop KVM switch designed to meet stringent U.S. government security standards, including the NIAP Protection Profile V3.0. It ensures complete network isolation with unidirectional data diode technology while offering easy source switching. Supporting DisplayPort 1.2, it delivers true image reproduction up to UHD 4K resolution. Enhanced security features include an active anti-tampering system and patented emulation to prevent DDC signal leakage, providing transparent security without compromising user productivity.
$1034.12
Owner Satisfaction
4.5
/ 5
Category Rank
237
/ 1363
#237 in KVM Switches
Price vs Category Average
-5%
Below average
Height
1.742
/ in ( mm)
Who it's for
- Industry-Leading Security Compliance
- High-Resolution DisplayPort Support
- Robust Physical Security Features
Who should skip it
- High Initial Investment Cost
- Limited Peripheral Compatibility
- Complex Setup and Configuration
Key Specs
Height
1.7 in (42 mm)
Width
13.7 in (342 mm)
Depth
5 in (125 mm)
Weight
1.6 kg
Video Interface
DisplayPort 1.2 to HDMI 1.4
Maximum Resolution
UHD 4K (3840x2160 @ 30 Hz)
Operating Temperature
32° to 104°F (0° to 40°C)
Power Consumption
35W Max Internal
Features
- NIAP Protection Profile V3.0 compliant
- Unidirectional data diode for network isolation
- Active anti-tampering system
- Patented DDC emulation technology
- Zero delay switching
- Discrete isolated processing paths
- Flexible audio device assignment
- Status indicators for Lock keys
What customers say
Users highly value the Avocent Cybex SC840DP primarily for its robust security architecture and professional build quality, essential for defense and government sectors requiring NIAP PP 3.0 compliance. This device excels at maintaining system isolation and data integrity across multiple domains, offering significant peace of mind. Reviewers consistently praise the seamless switching between four systems and excellent, artifact-free video performance, even supporting high resolutions like 4K. While the initial cost is high, it is generally accepted as the necessary investment for certified security. Minor friction points involve occasional compatibility issues with specialized USB peripherals. Overall, the SC840DP is considered an indispensable, top-tier solution where security and compliance are paramount.
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$1034