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Black Box KVS4-8001VX Secure KVM Peripheral Defender, DisplayPort, CAC
Black Box

Black Box KVS4-8001VX

Expert rating8.5 / 10

Port Count:
1 (secure single-host)
Video Standard:
DVI
Max Resolution:
1920x1200

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Manufacturer: Black Box Last updated: 2026-09-12

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Black Box KVS4-8001VX Review

Black Box KVS4-8001VX secure DVI KVM switch NIAP certified single host

The DVI-input version of Black Box's certified secure KVM appliance, for legacy government hardware that needs the same NIAP PP4.0 certification and tamper-evident protection as the HDMI KVS4-8001HX.

NIAP Certification for Legacy DVI Hosts

Government facilities still running DVI equipment don't have to sacrifice certification: the KVS4-8001VX brings the same NIAP PP4.0 certified, tamper-evident single-host protection as its HDMI sibling to legacy DVI infrastructure.

Comparison to Alternatives

It's priced almost identically to the KVS4-8001HX, with the choice coming down entirely to source video format. Against Vertiv's SC940DVI-400, which handles four DVI hosts with NIAP-style isolation, the KVS4-8001VX is single-host but formally certified.

Our verdict

Reviewed by Burooj Alam. Rated by us, not by users.

Expert rating8.5 / 10

The formally certified choice for a single secure DVI host where procurement demands NIAP documentation.

Best for

  • Government procurement requiring formal NIAP certification
  • Legacy DVI classified host isolation
  • Tamper-evident secure desk deployments

Not for

  • Multi-host switching needs
  • HDMI-native infrastructure (see KVS4-8001HX)
  • Commercial/non-regulated environments

Specifications

What these specs mean
Capability Score
4.6/10

How much this switch can do compared with other secure KVM switches, rated from its certification and specifications.

Identity

BrandBlack Box
Model NumberKVS4-8001VX
Switching MethodFront-panel pushbutton

Topology

Computers Supported1 computers
KVM SegmentSecure

Video & Features

Video StandardDVI
Max Resolution1920x1200
USB Hub Ports2
Audio SupportNo

Per display capability

Max Resolution Single Display1920x1200

In the box and price

Price532.03 USD

FAQs

What are the key specifications of the Black Box KVS4-8001VX (1-Port Secure DVI KVM Switch / NIAP Certified)?

Key specs for the Black Box KVS4-8001VX: Max Resolution 1920x1200, Max Resolution Per Display 1920x1200, Audio Support No, Port Count 1 (secure single-host access point), Switching Method Front-panel pushbutton, Video Standard DVI.

Who is the Black Box KVS4-8001VX (1-Port Secure DVI KVM Switch / NIAP Certified) best suited to?

Best suited to: Government procurement requiring formal NIAP certification; Legacy DVI classified host isolation; Tamper-evident secure desk deployments.

What are the drawbacks of the Black Box KVS4-8001VX (1-Port Secure DVI KVM Switch / NIAP Certified)?

Not the best fit for: Multi-host switching needs; HDMI-native infrastructure (see KVS4-8001HX); Commercial/non-regulated environments.

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