AdderView Secure 4 Port EAL4+, EAL2+ & Tempest KVM Switch
Best secure switch for professionals handling highly sensitive, classified data.
Engineered for environments demanding the highest data security, the AdderView Secure KVM Switch allows seamless, isolated switching between four computers operating at different security levels. This robust unit boasts Tempest and NIAP 3.0 Common Criteria EAL4+ certifications, ensuring critical data protection. Security is maximized through hardware checks, processor resets on switchover, and uni-directional data paths. It supports high-definition VGA video up to 1920x1200 and standard USB keyboard/mouse connections, making it ideal for sensitive professional applications.
$594.00
Owner Satisfaction
4.7
/ 5
Category Rank
1
/ 1363
Best KVM Switches
Price vs Category Average
-45%
Below average
Number of Ports
4
Who it's for
- Government agencies handling classified or sensitive data
- Defense contractors requiring protection against signal interception
- IT security teams preventing unauthorized data leakage
Who should skip it
- Multimedia professionals requiring high-speed peripheral support
- General users lacking specialized security infrastructure knowledge
- Budget-conscious buyers needing standard commercial hardware
Performance breakdown
Security Certification
Top-tier EAL4+ and Tempest ratings ensure uncompromising data protection.
Hardware Isolation
Uni-directional data paths and processor resets prevent all potential leakage.
Build Integrity
Robust metal construction provides the shielding required for sensitive environments.
Video Fidelity
VGA support is reliable but lacks the bandwidth of modern digital standards.
Switching Efficiency
Simple push-button controls allow for quick, secure transitions between connected systems.
Compatibility Range
Broad support for legacy PS/2 and USB HID devices ensures versatile integration.
Key Specs
Number of Ports
4
Video Resolution
Analog: 1920 x 1200 @60Hz
Dimensions
Width: 9.25 in. (235 mm.), Height: 1.73 in. (44 mm.), Depth: 5.9 in. (150 mm.)
Certifications
NIAP 3.0 Common Criteria EAL4+, EAL2+, Tempest Certified (NSTISSAM Level I/NATO SDIP-27 Level A)
Crosstalk Isolation
80dB
Power Supply
100-240 VAC 47/63Hz
Construction
Compact case, robust metal construction, extensive shielding
Compatibility
All known platforms featuring VGA video and USB HID or PS/2
Features
- Securely switch between four computers
- EAL4+ and Tempest certified security
- High definition VGA up to 1200p resolution
- Restricted USB ports for security devices
- Hardware isolation prevents data leakage
- Processors reset upon every switchover
- Minimal emissions profile for security
- Supports USB HID or PS/2 connectivity
What customers say
Users overwhelmingly value the AdderView Secure KVM for its uncompromising security and reliability in high-stakes environments. The core praise centers on its robust adherence to stringent certifications like EAL4+ and EAL2+, which are essential for government and defense operations. Reviewers confirm the secure switching mechanism flawlessly isolates peripherals, preventing data leakage as intended. Build quality is consistently described as industrial grade and durable, supporting continuous use. While the initial cost is high, customers accept this as a necessary premium for mission-critical, certified hardware. The device performs exactly as promised, delivering a best-in-class, highly reliable, and compliant secure switching solution for its specialized niche.
Know before you buy
This switch is NIAP 3.0 Common Criteria EAL4+ and EAL2+ certified. It also meets Tempest standards (NSTISSAM Level I/NATO SDIP-27 Level A) to ensure it is protected against electronic eavesdropping.
The unit uses hardware-based isolation and uni-directional data paths to ensure signals cannot cross between ports. Additionally, the processors perform a full reset every time you switch between computers, clearing any residual data.
No, this specific model is designed for analog VGA video connections with a maximum resolution of 1920x1200 at 60Hz. It is best suited for legacy or specialized professional systems that rely on VGA interfaces.
Yes, the USB ports are restricted to HID (Human Interface Device) profiles, such as standard keyboards and mice. This prevents the use of unauthorized storage devices or other peripherals that could compromise system security.
Yes, the AdderView Secure is compatible with both USB HID and PS/2 keyboard and mouse connections, offering flexibility for older or specialized hardware setups.
Switching is handled manually via dedicated push buttons located on the front of the unit. This physical switching method is a deliberate design choice to maintain strict security and prevent software-based interference.
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$594