Avocent Cybex SC945H KVM Switch
Best secure switching solution for government and high-security IT environments.
This is the gold standard for high-stakes environments where network isolation is non-negotiable. It sacrifices the convenience of software-based switching for hardware-level security, ensuring your data stays air-gapped while still delivering crisp, dual-monitor 4K performance.
$1259.29
Who it's for
- Security professionals requiring strict data isolation and compliance
- Visual designers needing high-resolution, multi-monitor clarity
- IT administrators managing multiple secure domains on one desk
Who should skip it
- Budget-conscious buyers seeking standard commercial hardware
- Users relying on specialized or non-standard USB peripherals
- General consumers lacking advanced network configuration expertise
Performance breakdown
Security Compliance
Meets the highest government-grade NIAP Protection Profile V3.0 standards.
Network Isolation
Data diode technology ensures absolute separation between connected computer networks.
Visual Fidelity
Supports dual 4K displays, though limited to a 30Hz refresh rate.
Authentication Integration
Dedicated port handles CAC and smart card devices with zero friction.
Switching Speed
Zero-delay switching maintains workflow continuity across all four connected systems.
Build Integrity
Robust, industrial-grade construction designed for high-stakes, secure environments.
Key Specs
Number of Computers Supported
4
Video Interface
2 x HDMI 1.4
Maximum Resolution
UHD 4K (3840x2160 @ 30 Hz)
Dimensions
13.7 in (W) x 5 in (D) x 2.2 in (H)
Weight
3.7 lbs
Power Supply
AC cord directly into the unit (Internal adapter)
Compatibility
Designed to meet NIAP Protection Profile V3.0
Certifications
RCM, EU, FCC Class B, VCCI, c-UL
Supported Monitor Count
2
Switching Method
Push Button
Know before you buy
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