SmartAVI SDPN-4Q-P 4-Port Secure Pro DP KVM Switch
Best secure KVM for professionals handling highly sensitive multi-computer environments.
The SmartAVI SDPN-4Q-P is a high-security 4-port, quad-head DisplayPort KVM switch designed for environments requiring maximum data protection. It enables control of four computers with a single set of peripherals, employing advanced isolation techniques to prevent data leakage. Certified by NIAP PP 3.0, this switch supports up to 4K resolution and features secure emulation for keyboard, mouse, and EDID. Intuitive front-panel buttons and a dedicated, configurable CAC port enhance usability and security.
$2381.00
Owner Satisfaction
4.5
/ 5
Category Rank
114
/ 1367
#114 in KVM Switches
Price vs Category Average
+119%
Above average
Video Format
DP
/ DP
Who it's for
- Government and defense contractors requiring top-tier data isolation
- Visual professionals needing crisp 4K multi-system monitoring
- IT administrators enforcing strict hardware security protocols
Who should skip it
- Budget-conscious buyers seeking standard home office solutions
- Gamers or power users relying on specialized macro peripherals
- Minimalists wanting a clean, cable-free desk setup
Performance breakdown
Security Compliance
NIAP PP 3.0 certification ensures top-tier protection for sensitive government environments.
Video Fidelity
Supports crisp 4K resolution across four monitors for demanding visual workflows.
Peripheral Isolation
Advanced optical and mechanical barriers effectively eliminate cross-channel data leakage risks.
Switching Efficiency
Tactile front-panel buttons provide reliable and immediate control over connected systems.
CAC Integration
Dedicated port streamlines secure authentication for high-clearance user access.
Build Integrity
Robust American-made construction designed for long-term reliability in mission-critical settings.
Key Specs
Video Format
DP
Resolution
Up to 4K (3840 x 2160 @ 30Hz)
Input Interface
(16) DP
USB Input Interface
(8) USB Type-B
Power
External 100-240 VAC/12VDC3A @ 36W
Dimensions
12.57" W x 4.9" H x 6.69" D
Weight
5.0 lbs
Approvals
NIAPP PP 3.0, UL, CE, ROHS Compliant
Features
- Quad-head DisplayPort video support
- NIAP PP 3.0 certified for high security
- Supports up to 4K resolution
- Dedicated, configurable CAC port
- Secure keyboard and mouse emulation
- Front panel tactile switching buttons
- Optical, electrical, and mechanical isolation
- Made in America
What customers say
Users highly value this KVM primarily for its essential security features, specifically the NIAP PP 4.0 certification. The core function of providing secure, isolated switching between four DisplayPort systems without data leakage is consistently praised. Reviewers appreciate the robust, professional build quality that offers peace of mind in sensitive government or defense installations. The switching is fast and reliable, and video quality remains excellent even at high resolutions. While the premium price reflects its specialized security focus, customers confirm it successfully meets demanding compliance standards. For its intended high-security audience, this device is viewed as an essential, high-performing tool for secure system separation.
Know before you buy
NIAP PP 3.0 certification confirms that the switch meets rigorous international standards for data isolation. It ensures that the device prevents data leakage between connected computers, making it suitable for high-security environments like government or financial offices.
Yes, the SDPN-4Q-P is a quad-head KVM switch, meaning it supports four DisplayPort monitors per computer. You can seamlessly manage four distinct workstations using one keyboard, mouse, and a four-monitor setup.
The Common Access Card (CAC) port is a secure, configurable USB port designed for smart card readers or biometric authentication devices. It allows you to authenticate your identity across different computers without compromising the security of the KVM switch.
Yes, the switch supports resolutions up to 4K Ultra HD (3840 x 2160 at 30Hz). It is designed to maintain high visual fidelity across all four connected monitors.
You can switch between computers using the tactile push buttons located on the front panel of the device or by using keyboard hotkeys. Both methods are designed for quick and reliable input selection.
No, the device uses secure hardware-based keyboard and mouse emulation, so no drivers or software are required. It functions as a plug-and-play device, which also helps maintain a smaller security footprint on your systems.
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$2381