K504 Secure KVM Switch: 4-Port, DisplayPort Video.

How to Order

The K504 is a secure 4-port Display-Port KVM Switch.

It allows users to share peripherals - keyboard, mouse and monitor - between four different security-level networks/computers.

K504 supports four isolated computers each hav‌ing DisplayPort video output.
The K504 DisplayPort Secure KVM is the industry’s first Secure KVM switch with DisplayPort. This product offers the highest possible separation between four connected computers and features patented AUX channel firewall designed to protect from DisplayPort internal security vulnerabilities. 

K504 is equipped with an RDC port enabling user-friendly, comfortable remote control of the KVM switch.

The K504 meets the requirements of companies challenged by the need to provide both secret and top-secret network access together with unclassified or Internet access. It is a perfect fit for high-security organizations such as government agencies, military and financial institutions, and any other organization that handles sensitive and confidential information.

The products are fully compatible with EAL4+ and NIAP security requirements

  • Display Port support:
    Supports four computers each connected to a single display. Supports DisplayPort 1.2 resolutions up to 3840×2160 by 30 bpp @ 60Hz. Supports 17.28 Gbps @ a 4-lane link
  • Future-proof:
    Supports latest keyboards, mice and all Operating Systems

  • AUX Channel protection
    Leakage prevention through patented AUX channel firewall technology. Signaling attacks prevented by design. EDID is fully functional

  • Highest security by design:
    Common Criteria EAL 4+ approved, compatible with NIAP security requirements

  • Hardware-based peripherals isolation:
    no dependency on firmware or software; all firmware on ROM (Read Only Memory); no keyboard buffering or memory.

  • Unidirectional Optical Data Diodes:
    assuring USB peripherals isolation; data can flow from devices to host only.

  • Peripherals Security:
    full USB device filtering to assure support for keyboard and mouse only

  • Active anti tampering system:
    always-on with 10 years battery; holographic tampering evident labels         

K504 Secure KVM Switch: 4-Port, DisplayPort Video

Numbers of Computers


Number of Displays


Resolution Supported

All DisplayPort 1.2 resolutions up to 3840×2160 by 30 bpp @ 60Hz. Supports 17.28 Gbps @ a 4-lane link.

Console Mouse and Keyboard Ports

2* USB Type-A female connector or 2* PS/2 Mini-DIN 6-pin female connector (1 port for mouse and 1 port for keyboard)

Console Display Ports

DisplayPort 1.1 and 1.2

Console Audio Jack

3.5mm female

Computer Display Ports

1 x DisplayPort 1.1 and 1.2

Computer Audio Jack

3.5mm female

Computer Keyboard/Mouse Ports

USB Type B


320 (W) x 130 (D) x 52 (H) mm / 12.8 (W) x 5.2 (D) x 2 (H) inch


1.47 Kg. (3.2 lbs.)

Power Requirements

100–240VAC, 1.5A Max, 50/60Hz

AC Input


Power Type


Operating Temperature

32° to 104° F (0° to 40° C)

Storage Temperature

-4° to 140° F (-20° to 60° C)


0-80% RH, non-condensing


Common Criteria EAL 4+ ALC_FLR.3


EN 55022, EN 55024, EN 61000-3-2, FCC Part 15

Product Life-Cycle

10 years


2 years

  Specification Sheets File Size Date
K502, K504, K504E & K524E 2-4 port DisplayPort secure KVM switches datasheet

This document provides the specifications for K502, K504, K504E & K524E 2-4 port DisplayPort secure KVM switches.

1 MB 9 Feb, 2015

  User Manuals File Size Date
K502 K504 User Manual

K502 K504 User Manual

3 MB 13 Jul, 2016

K504 - 4-Port High Security DisplayPort KVM Switch, USB PS/2 keyboard and mouse, DisplayPort video, Active anti-tampering, Front panel push-buttons    


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