Product Model

Cybex SC 840H Secure Desktop KVM

The Cybex™ SC840H secure desktop KVM is designed to meet the stringent specifications of the U.S. government and certified to the NIAP / Common Criteria protection profile for peripheral sharing switches version 3.0.

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Best Suited For:
  • Banking, Financial and Insurance
  • Government
  • Healthcare
  • Military, Defense, Aerospace and Missile
Warranty: 3 Year Full Coverage Factory Warranty - Optional Extended Warranty Available


Outstanding Security: Designed to meet the specifications of NIAP Protection Profile for Peripheral Switching Devices, version 3.0. system
Access:  Access multiple computers or networks using a single keyboard, monitor and mouse
Advanced Video Support: Support for DVI-I, HDMI 1.4 and DP1.2 in single and dual head models supporting high resolutions up to UHD 4K
Zero Delay Switching: Mouse and keyboard switching via emulation assures zero delay in switching time between connected sources  


NIAP Protection Profile for Peripheral Switching Devices v. 3.0
Four secure, isolated channels
Single Head display connections with HDMI 1.4 support, providing resolutions up to UHD 4K
Advanced Isolation between computers and shared peripherals
CAC/DPP option available
Always-on active anti-tampering system    

Cybex SC 840H Secure Desktop KVM
Product Overview
Input Ports
(4) HDMI 1.4
Video Connection
HDMI 1.4
Video Resolution
UHD 4K - 3840 x 2160 @30Hz
Power Description
Power Supply(s)
Input Power (Maximum)
35W (120V)
USB ports
(8) USB Type-B, (2) USB Type-A
Operational Conditions
Operating Temperature
32° to 104° F (0° to 40° C)
0-80% RH, non-condensing
Storage Temperature
-4° to 140° F (-20° to 60° C)
Physical Characteristics
3.2 lbs
1.5 kgs
1.7 in
43.2 mm
13.7 in
348 mm
​5 in
Agency Approvals
CE, RCM, FCC class B, VCCI, TUV US, TUV Canada

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Products Support Contacts

Showing contacts for Virginia, 20149, USA Change
Vertiv Technical Support for IT Management & Software (Trellis & Avocent products)
+1 888 793 8763
Mon-Fri 9:00 a.m. to 5:30 p.m. Alabama USA
Product areas of focus: Desktop KVM and KM, IP KVM, Secure KVM, Serial Consoles and Gateways, Digital Infrastructure Solutions
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