Solid Signal > Commercial Equipment > Switchers > Kramer Electronics K304

Kramer HighSecLabs Secure 4-Port KM Switch (K304)

Click Images to Enlarge

Kramer HighSecLabs Secure 4-Port KM Switch (K304)

Brand: Kramer Electronics           P\N: K304          

No Reviews Available  Be the first to write one!

Availability: Usually Ships Same Day
Condition: New

Your Price: $468

List Price: $585.00


This Product Qualifies for FREE GROUND SHIPPING!
Call Us For Free Tech Support! Your Purchase is Secure with Solid Signal. View our Frustration Free Return Policy


Kramer Electronics The K304 is a secure 4-port KM switch. It allows an easy yet secure sharing of keyboard and mouse between four different security-level sources/computers. K304 provides the highest possible isolation between four connected computers.

HSL Virtual Display Technology (VDT) switches the K304 seamlessly between computers once the mouse cursor crosses display borders. The K304 works smoothly with all operating systems, from Microsoft to Linux and Apple with no need for software installation. An RDC port enables user-friendly, comfortable remote control of the KVM switch.


  • Hardware-Based Peripheral Isolation - No dependency on firmware or software, all firmware on ROM (Read Only Memory), no keyboard buffering or memory

  • Virtual Display Technology (VDT) - Seamless keyboard, mouse and audio switching between computers once mouse cursor crosses display borders

  • Display Configurations - Arrives with a predefined preset of display configurations for ease of use. In addition, HSL VDT application allows administrators to configure any desired display configuration required

  • Multiple-Head Support - Can be easily configured to support dual/triple/multiple displays through HSL VDT application

  • OS Independent - Support for all Microsoft OS, Linux and Apple with no need for SW installation

  • Highest Security by Design - Common Criteria EAL 4+ approved, compatible with NIAP security requirements

  • Unidirectional Optical Data Diodes - Assures USB peripheral isolation, data flows from devices to host only

  • Active Anti-Tampering System - Always-on with 10 years battery, holographic tampering evident labels

  • Peripheral Security - Full USB device filtering to assure support for keyboard and mouse only


Here are available downloads related to this product:



Product Reviews for Kramer HighSecLabs Secure 4-Port KM Switch (K304)

Product reviews help other customers decide which product to purchase, where the best deals are, and your get a sense of what to expect with the product. Write a Review!

Related Products
LT hub in the wiring closet converts an unbalanced coaxial ...
The Paragon Base Station delivers optimum data rates while balancing ...
Perfectly suited for a control room, boardroom, or family room, ...

Dish Network Authorized Retailer Solid Signal is an authorized retailer of DISH Network L.L.C. DISH, DISH Network and DISH Network logos are trademarks, registered trademarks and/or service marks of DISH Network L.L.C. and/or its affiliate(s). The DISH Network trademarks, registered trademarks and/or service marks are used under license of DISH Network L.L.C. and/or its affiliate(s).
 ©1999-2018 Solid Signal, Signal Group LLC & Affiliates
  We accept: Checks accepted by Mail