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1 Computer(s) - 1 Remote User(s) - 32808.40 ft Range - 4K - 4096 x 2160 Maximum Video Resolution - 1 x Network (RJ-45) - 4 x USB - DisplayPort - 120 V AC, 240 V AC Input Voltage - Desktop - For Mac, Linux, Windows - TAA Compliant
MSRP$2,828.97
$2,691.38
Save 5%Special order — estimated available by September 10, 2026.
Genuine Black Box through authorized distribution — TAA country-of-origin verified and NDAA §889 screened before checkout.
What Is Emerald?
Emerald is a control platform that lets operators access and control multiple computers, virtual machines, and web-based systems from a single workspace. It removes the need for multiple keyboards, screens, and desks by bringing everything into one unified operating environment.
Fault-Tolerant Architecture
Emerald is designed to stay online even when components fail. Redundant network paths and resilient system design ensure continuous access during outages, maintenance, or unexpected disruptions.
Best-in-Class VM Integration
Emerald connects directly to virtual machines without extra hardware. Operators can access physical and virtual systems from the same interface, using the same keyboard and mouse, with support for multi-user collaboration.
Complete BYOD Solution
Emerald supports secure access from personal laptops using native Windows and macOS applications. This enables flexible, hybrid, and remote workflows without compromising performance or control.
Unified Platform Architecture
Emerald provides one consistent platform for physical systems, virtual machines, and web applications. This simplifies operations, reduces training time, and minimizes operator fatigue.
Enterprise-Level Security
Emerald uses encrypted communications, centralized access control, and policy management to protect systems and data while maintaining fast, intuitive access for operators.
Centralized Command and Control
Emerald allows operators to monitor and control multiple systems at once from a single workstation. Industry-first UltraStream Technology delivers multiple simultaneous 4K streams over 1GbE and 10GbE infrastructures. Ideal for mixed HD and 4K users.
Why It Matters
Emerald is designed around how people actually work in control rooms. By reducing screen clutter, simplifying access, and keeping systems available under pressure, Emerald helps teams stay focused, coordinated, and effective no matter how complex the environment becomes.
Additional Warranty Information: <p>2 Years Double Diamond Warranty (Standard)</p> Limited Warranty: 2 Year
| General Information | |
|---|---|
| Manufacturer | Black Box Corporation |
| Manufacturer Part Number | EMD4000R |
| Brand Name | Emerald® |
| Product Model | EMD4000R |
| Product Name | 4K KVM-over-IP Extender - DisplayPort, Single-Monitor, V-USB 2.0, Audio |
| Packaged Quantity | 1 |
| Product Type | KVM Extender Receiver |
| Interfaces/Ports | |
| Network (RJ-45) | Yes |
| USB | Yes |
| Headphone | Yes |
| Microphone | Yes |
| DisplayPort | Yes |
| Number of Network (RJ-45) Ports | 1 |
| Number of USB Ports | 4 |
| Physical Characteristics | |
| Form Factor | Desktop |
| Receiver Height | 1.50" |
| Receiver Width | 8.50" |
| Receiver Depth | 7.40" |
| Receiver Weight (Approximate) | 2.50 lb |
| Power Description | |
| Input Voltage | 120 V AC, 240 V AC |
| Input Voltage Range | 100V AC to 240V AC |
| Technical Information | |
| Connectivity Technology | Wired |
| KVM Technology | Digital |
| Number of Computers Supported | 1 |
| Number of Remote Users Supported | 1 |
| Maximum Operating Distance | 32808.40 ft |
| Data Link Protocols | TCP/IP |
| Device Type | KVM Extender |
| Video | |
| Graphic Mode | 4K |
| Maximum Video Resolution | 4096 x 2160 |
| Warranty | |
| Limited Warranty | 2 Year |
| Additional Warranty Information | 2 Years Double Diamond Warranty (Standard) |
| Miscellaneous | |
| Package Contents |
|
| Platform Supported | Mac, Linux, Windows |
| Environmental Compliance | Restriction of Hazardous Substances (RoHS), Registration, Evaluation, Authorization and Restriction of Chemicals (REACH), Waste Electrical and Electronic Equipment Directive (WEEE) |
| Country of Origin | Ireland |
| TAA Compliant | Yes |
Matched on 4096 x 2160 · Wired
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