Black Box KVS4-1004KX

Overview

The Black Box KVS4-1004KX is a secure keyboard and mouse switch designed to control up to four separate computers using a single set of USB Human Interface Devices. It is certified to the NIAP Protection Profile 4.0, ensuring a high level of security suitable for government agencies, defense contractors, and organizations handling classified or sensitive data. This switch isolates each connected system mechanically, electrically, and optically to prevent data leakage and unauthorized access.

Users can seamlessly switch control between computers while maintaining secure and isolated data paths. The device supports Common Access Card (CAC) peripherals and ensures that audio and display signals follow the active input, making it ideal for environments where strict security and operational efficiency are critical.

Key features

• NIAP Protection Profile 4.0 certification guarantees compliance with stringent security standards.
• Allows operation of up to four computers with a single keyboard and mouse, simplifying workspace management.
• Supports Common Access Card devices to maintain secure authentication across systems.
• Mechanical, electrical, and optical isolation between ports prevents cross-contamination of data.
• Uni-directional data flow blocks hidden channels that could leak information between networks.
• Anti-tamper switches and tamper-evident seals provide physical security and easy detection of unauthorized access.
• Secure EDID learning protects display information from being exposed or manipulated.
• Made in the USA and fully TAA compliant, ensuring trusted manufacturing and procurement standards.

Key specs

• Number of ports: 4 computer connections
• Interface: USB Human Interface Devices (keyboard and mouse)
• Security certification: NIAP Protection Profile 4.0
• Isolation types: Mechanical, electrical, and optical
• Data flow: Uni-directional to prevent data leakage
• Physical security: Anti-tamper switches and tamper-evident seals
• Compliance: TAA compliant, made in the USA

Connectivity and compatibility

The switch connects easily to four separate computers via USB, allowing a single keyboard and mouse to control all systems without risk of data crossover. It supports Common Access Card readers, which are essential for secure authentication in government and defense environments. The device’s secure EDID learning ensures that display information is protected, maintaining compatibility with a wide range of monitors while safeguarding sensitive data.

Installation and setup

Setting up the KVS4-1004KX is straightforward. Simply connect each computer to the switch, plug in your keyboard, mouse, and optional CAC reader, then power the unit on. The built-in switching logic automatically manages cursor movement, audio, and peripheral focus, allowing users to concentrate on their tasks without worrying about security breaches or complicated configurations.

Ideal uses and environments

This switch is well suited to secure command centers, emergency call hubs, military field offices, and any environment where operators must manage multiple systems across different security domains. It provides a reliable solution for preventing data leaks and maintaining strict separation between networks, making it a strong choice for organizations that require verified security and operational efficiency.

Orders are processed within 2 business days, which includes verification, packing, and dispatch. Shipping costs are calculated at checkout based on destination, total weight, and selected speed. Free shipping applies to carts over $100 (excluding heavyweight items). All available options and final pricing are clearly shown before payment so you can choose the service that best fits your needs.

Deliveries are handled by major carriers such as USPS, UPS, and FedEx. Estimated delivery times are displayed at checkout and may vary depending on service level and location. Please note that these are estimates and can be affected by weather, holidays, or carrier volume. Once your order ships, you’ll receive a tracking number for real-time updates from pickup to final delivery.

Providing an accurate shipping address helps prevent delays, and changes may be limited once the order has been dispatched. P.O. boxes are supported only when permitted by the selected carrier. Packaging and handoff are optimized to protect items during transit, though oversized or high-weight products may require special handling. All shipping methods and any related constraints are clearly shown during checkout.

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Returns are accepted within 30 days of delivery. Items must be unused, in the same condition received, and include all tags, manuals, accessories, and original, unaltered packaging. To start a return, please email us for approval. Items sent back without approval may be refused or returned to the sender. If any item is kept, its value will be deducted from the refund.

Non-returnable items include opened TVs, combos, or monitors 37″ or larger, opened computers or software, electronic downloads, opened consumables (film, paper, bulbs, media, ink), custom or modified computers, special-order or “nonreturnable” items, submerged underwater gear, and opened educational media.

After inspection, refunds are issued to the original payment method. Please allow 5–7 business days for the credit to post. Shipping and handling are nonrefundable. If an item is used, incomplete, or not in its original condition, a 30% restocking fee may apply. Direct exchanges are not offered. To exchange an item, please purchase the replacement separately and return the original for a refund.

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We act solely as a reseller. Any product warranty is provided and administered by the manufacturer, not by our store. That means eligibility, coverage, and outcomes are determined by the manufacturer’s policy for each brand and model. Before purchasing, we recommend reviewing the warranty terms on the manufacturer’s website or in the product documentation to confirm what is covered and for how long.

If you need warranty service, please file the claim directly with the manufacturer. They may require proof of purchase, the product serial number, original packaging, photos, or basic troubleshooting. Some brands ask you to register the product or obtain a case number before shipping it for repair or replacement. We don’t submit or approve claims, but we can point you to the correct support links and contact details.

Keep your invoice and packaging in a safe place, and report any functional issues to the manufacturer as soon as they appear. If you’re unsure whether a problem is covered, the manufacturer’s support team can confirm next steps and timelines. While we cannot intervene in decisions or outcomes, we’re happy to provide purchase documentation or guidance so you can move through the warranty process smoothly.

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