Vertiv Avocent Cybex SC840DPHC-400 Secure Desktop KVM Switch – 4-Port, Single Monitor, CAC, NIAP 4.0, TAA

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VertivSKU: SC840DPHC-400
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Sale price$1,332.99 Regular price$1,842.00

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Description

The Vertiv Avocent Cybex SC840DPHC-400 is a high-assurance 4-port secure desktop KVM switch engineered for mission-critical environments requiring strong data protection. Designed for use in defense, government, and security-sensitive applications, this TAA-compliant switch provides seamless switching between four isolated systems while maintaining data integrity and preventing information leaks.

Featuring NIAP PP 4.0 certification, Common Access Card (CAC) reader support, and tamper-evident hardware, the SC840DPHC-400 meets the highest cybersecurity standards. It supports UHD 4K resolution at 60Hz on a single head and offers flexible connectivity via DisplayPort and HDMI interfaces. Backed by a full 3-year warranty and optional extended coverage, this KVM switch ensures secure, efficient control with peace of mind.

Specification Details
Manufacturer Vertiv
Brand Name Vertiv AVOCENT
Product Line / Series Cybex SC800
Model Number SC840DPHC-400
Product Type Secure Desktop KVM Switch
Ports Supported 4
Monitor Support Single Head, up to 3840 x 2160 @ 60Hz (UHD 4K)
Input Interfaces 4x DisplayPort, 4x HDMI, 6x USB, 4x PS/2
CAC Support Yes – Common Access Card (Smart Card)
NIAP Certified Yes – Version 4.0
TAA Compliant Yes – Made in USA
Security Features Unidirectional Data Flow, Tamper-Evident Design, Intrusion Detection
KVM Technology Digital & Analog
Connectivity Wired
Local User(s) Supported 1
Remote User(s) Supported 0
Form Factor Desktop / Rack-mountable (1U)
Power Input 100–240VAC, 1.5A
Dimensions (HxWxD) 1.7” x 13.7” x 5”
Weight 3 lbs
Shipping Weight 5 lbs
Warranty 3-Year Full Coverage Factory Warranty
Extended Warranty Option Available
Certifications NIAP 4.0, RoHS
Included in the Box SC840DPHC-400 KVM Switch, Power Supply, Documentation

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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.


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Building a Complete AV System?

This product is rarely deployed alone. It’s typically part of a fully integrated AV system. AVENDOR designs, integrates, and supports end-to-end environments—from single rooms to enterprise-wide deployments.

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  • Installation & Integration
  • Programming & Ongoing Support

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