Black Box Corporation
Black Box Corporation KVS4-2004HVX KVM switch 4-port dual-monitor 4K 30Hz
Secure 4-port KVM switch with dual-monitor 4K 30 Hz output, FlexPort HDMI/DisplayPort inputs and NIAP PP 4.0 certification
- TypeHDMI/DisplayPort
- PC ConnectorsInput Interface: (8) DisplayPort or HDMI; Output Interface:
- Computer ConnectionsFlexPort HDMI/DisplayPort - 4 Computer(s)
- Monitor Connections8 Ports
- Video ResolutionVideo Output Cable Length: Up to 20 ft. Input Cable Length:
- PC SelectionPush Buttons
- NIAP PP 4.0 certification meets high-security government requirements
- FlexPort HDMI/DisplayPort handles single or dual-monitor setups
- 4K 3840x2160 at 30 Hz delivers sharp dual-screen video
- Front push-buttons give instant PC switching
- Made in the USA with external 12 V power supply
Secure KVM for dual-monitor workstations
The Black Box KVS4-2004HVX is a NIAP PP 4.0 evaluated secure KVM switch that lets two local operators share four computers. Each console drives dual displays through FlexPort HDMI or DisplayPort outputs while keyboard and mouse connect via USB Type-A ports. Audio switching is provided through 3.5 mm stereo connectors. The unit ships new with an external 12 V DC power adapter.
Dual-monitor 4K at 30 Hz
The decisive specification is the maximum video resolution of 3840 x 2160 at 30 Hz across both monitors. FlexPort inputs accept either HDMI or DisplayPort cables up to 20 ft on each side, and automatic input equalisation maintains signal integrity. USB 1.1 and 2.0 keyboard and mouse emulation keeps peripheral focus stable during switching. Front-panel push buttons select the active computer.
Handles four secure workstations
The switch comfortably manages four isolated computers for two operators who need simultaneous dual-monitor 4K workflows. It runs out when a third local console is required, when 4K at 60 Hz is needed, or when USB peripheral sharing beyond keyboard and mouse is expected. CAC support is not included, and the USB ports are limited to keyboard and mouse emulation only.
Highlights
- NIAP PP 4.0 certification meets high-security government requirements
- FlexPort HDMI/DisplayPort handles single or dual-monitor setups
- 4K 3840x2160 at 30 Hz delivers sharp dual-screen video
- Front push-buttons give instant PC switching
- Made in the USA with external 12 V power supply
Specifications
| Brand | Black Box |
|---|---|
| Series | Secure KVM Switch - 4-Port, Dual-Monitor, FlexPort HDMI/DisplayPort, CAC |
| Model | KVS4-2004HVX |
| Type | HDMI/DisplayPort |
| PC Connectors | Input Interface: (8) DisplayPort or HDMI; Output Interface: (2) DisplayPort or HDMI USB: Input Interface: (8) USB Type-B; Output Interface: (2) USB 1.1 Type-A for KM Devices; Emulation: USB 1.1 and USB 2.0 Compatible; USB: Input Interface: (8) USB Type-B; Output Interface: (2) USB 1.1 Type-A for KM Devices; Emulation: USB 1.1 and USB 2.0 Compatible |
| Computer Connections | FlexPort HDMI/DisplayPort - 4 Computer(s) |
| Monitor Connections | 8 Ports |
| Video Resolution | Video Output Cable Length: Up to 20 ft. Input Cable Length: Up to 20 ft. Resolution (Maximum): 4K 3840x2160 @ 30Hz Input Equalization: Automatic DDC: 5 volts p-p (TTL) |
| PC Selection | Push Buttons |
| Temperature | Operating Temperature: 32° to 104° F (0° to 40° C) Storage Temperature: -4° to 140° F (-20° to 60° C) |
| Humidity | 0-80% RH, non-condensing |
| Audio Features | Audio: Yes Input: (2)/(4) Connector Stereo 3.5mm Female Output: (1) Connector Stereo 3.5mm Female |
| Power Features | 12V DC, 3A (minimum) power adapter with center-pin positive polarity. |
| USB Features | User Console Interface: (2) USB Type-A for keyboard and mouse connection only CAC: No Signal Type: USB 1.1 and 1.0 Keyboard and Mouse only |
| Features | General Format: DisplayPort, HDMI User Controls: Front Panel Buttons Emulation: Keyboard, Mouse and Video Security Accreditation: NIAP PP 4.0 Secure KVM (under final evaluation) |
| Dimensions | 12.57" W x 1.76" H x 6.69" D (31.9 x 4.47 x 16.99 cm) |
| Weight | 4.2 lb. (1.90 kg) |
| Shipping weight | 2.88 kg |
| Package size | 406 × 286 × 102 mm |
Questions about this item
What does the 3840x2160 at 30 Hz figure mean when I connect two monitors?
Each display runs at up to 4K resolution but is limited to a 30 Hz refresh rate, so motion will be smoother at lower resolutions.
Which video interface is used and what does it cap in practice?
FlexPort accepts either HDMI or DisplayPort on each of the eight inputs and two outputs, and the link tops out at 4K 30 Hz regardless of cable type.
How much desk space and power does the unit need to fit and run?
The chassis measures 12.57 inches wide, 1.76 inches high and 6.69 inches deep, weighs 4.2 lb, and requires the included 12 V 3 A centre-pin-positive adapter.
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