USBridge-KVM 2.0 (STANDARD Edition)

USBridge-KVM 2.0 STANDARD is a complete, plug-and-play desktop KVM kit built for direct infrastructure management and system debugging at Layer 0—housed in a custom enclosure with an interactive status display and pre-flashed OS onboard.

The device provides system administrators with absolute hardware control while completely bypassing the target OS to ensure strict physical isolation. It offers instant, out-of-band server access with ultra-low-latency video streaming, as well as support for automated script execution and external AI agent integration for routine, low-level management tasks.

⚠️ Note on Power Control: The ATX power management board is not included in the Standard Edition. If you require direct hardware Power/Reset jumper wiring, check out the USBridge KVM 2.0 FULL Edition.

What's In the Box

• Radxa Zero 3W (1 GB RAM, no eMMC) inside a Custom Enclosure
• Built-in Interactive LCD Display (240x240 status screen)
• Pre-installed MicroSD Card (with ready-to-use KVM OS firmware)
• HDMI-to-USB 1080p Capture Dongle
• USB-C & USB Data Cables Set
• Full KVM OS License (Lifetime, 100% Free & Open Source)

BIOS-in-Terminal: Offline OCR & Hardware-Level AI Automation

The BIOS-in-Terminal engine intercepts the raw HDMI signal at the hardware level. Using an on-board processing chip and local text recognition (OCR) algorithms, the device converts the graphical BIOS and pre-boot environment into an interactive text stream delivered directly to your terminal via SSH—completely offline, with no cloud dependencies.

• Interactive Text BIOS over SSH: Transforms the graphical pre-boot screen into a real-time text stream. You can connect to the KVM via a standard SSH session and configure the BIOS directly within your native terminal. Because the output is pure text, you can easily highlight and copy error codes or serial numbers, even over high-latency or unstable network connections.
• AI Agent Integration via MCP Protocol: Converting the UI into structured text enables autonomous machine management via large language models. Through the Model Context Protocol (MCP), you can attach AI agents (such as Claude) directly to the KVM. The AI can read the terminal screen, navigate through BIOS menus, and perform autonomous hardware diagnostics.
• Pixel-Independent Automation Scripts: An automation engine is built directly into the client app, allowing you to write and run reliable Python (Starlark) scripts. Instead of relying on fragile pixel-matching algorithms, the system evaluates the recognized text stream—enabling scripts to wait for specific error strings or menu headers before sending keystrokes.

Low-Latency Streaming via Sunshine / Moonlight Integration

Forget about sluggish, "jelly-like" cursor movement, choppy frame rates, and input lag. USBridge-KVM 2.0 features native, embedded integration with the Moonlight streaming protocol.

The entire video capture and encoding pipeline is optimized at the hardware level to push latency down to an imperceptible minimum. You get an immediate, direct-connection feel with smooth mouse tracking and instant keystroke execution:

• 720p Resolution: Ultra-low latency of 25–50 ms.
• 1080p Resolution: Stable, low latency of 50–75 ms.
• Zero-Config Mesh VPN: These benchmarks are achieved even when routing traffic remotely over secure Tailscale networks.

The end-to-end response time is so fast that the throughput and input precision allow for comfortable gameplay in dynamic platformers—making everyday server management and remote GUI navigation feel entirely seamless.

Drive Emulation & Immutable Snapshots (Storage & Security)

Virtual Media: Complete Replacement for Bootable USB Drives

No more physically plugging USB drives into rack servers or setting up complex PXE boot infrastructure. Hardware-level drive emulation allows you to mount virtual disk images directly from your local computer—whether it is a clean installation ISO or a fully configured operating system image in VDI or VMDK formats.

The target server instantly recognizes the mounted image as a standard physical hard drive and boots from it without requiring file conversions or lengthy flashing processes. High-speed LPDDR4X caching offsets network delays during data transfer, while a dedicated Read-Write Overlay mode redirects all new session writes to a separate layer, keeping your master image completely untouched.

Hardware Ransomware Protection & Btrfs Snapshots

The core design of the immutable snapshot engine ensures that your user data and system states cannot be encrypted, overwritten, or deleted externally. When changes occur, the system never overwrites the original data files—it only records the delta (change differential) and instantly freezes the new data state as read-only.

Thanks to strict hardware isolation, even if malware or an attacker gains full root privileges on the remote target server, they physically cannot overwrite or delete the backups and snapshots stored on the KVM. Built on the open Btrfs filesystem, there is zero vendor lock-in: all data backups and snapshots can be mounted and read on any standard Linux system without requiring proprietary USBridge software.

Unified Ecosystem: USBridge-Remote

Infrastructure management shouldn’t feel like juggling a dozen disconnected utilities. To solve this, I created USBridge-Remote—a 100% Open Source, cross-platform application (Windows, macOS, Linux, Android, iOS) that unifies your entire network and KVM management under a single interface.

Key Features & Hybrid Architecture

• Layer 0 Hardware Access: Direct connection to USBridge-KVM modules for remote disk ISO/VDI mounting, Btrfs snapshot management, and out-of-band recovery for unresponsive servers before the OS loads.
• Software-Level Remote Desktop: Native agent integration with zero-configuration remote access that works out-of-the-box on modern Wayland display servers.
• Embedded Moonlight Protocol: High-performance desktop streaming capable of up to 240 FPS with ultra-low latency.
• Seamless Cross-Platform Clipboard: Instant two-way synchronization for text, file transfers, and image copying directly between host and target machines inside the agent.
• Zero Subscriptions & Zero Registrations: Completely self-hosted architecture with no vendor lock-in, commercial SaaS fees, or third-party cloud registration required.

Technical Specifications & Features

Hardware Specifications

• Single Board Computer (SoC): Radxa Zero 3W (Rockchip RK3566, quad-core ARM Cortex-A55).
• System Memory (RAM): 1 GB LPDDR4X (dedicated allocation for high-speed virtual media caching).
• Thermal Management: Passive cooling (silent, maintenance-free operation with custom enclosure ventilation).
• Storage: Pre-installed MicroSD card with ready-to-use KVM OS firmware included in the box.
• On-Board Display: Integrated 240x240 LCD screen for live IP display, network status, system metrics, and server diagnostics.

Interfaces & Connectivity

• Video Capture: Hardware UVC video capture supporting up to 1080p @ 60 FPS ultra-low latency streaming via a compact USB dongle natively integrated with the Moonlight protocol.
• Dual USB Type-C Ports:
  • Port 1 (OTG): Multi-function interface supporting keyboard/mouse emulation, virtual mass storage (ISO/disk image mounting), and main power input.
  • Port 2 (Host): Dedicated host port for connecting video capture devices, USB hubs, or external peripherals.
• Wireless Networking: Built-in Wi-Fi 6 module.
• Storage & Snapshots: MicroSD slot dedicated to host OS storage and immutable Btrfs snapshot management.
• Local Passthrough: Micro HDMI port for direct local display output at the server rack (optional).

Software & Management Ecosystem

• Native Clients: Cross-platform USBridge-Remote applications available for Windows, macOS, Linux, Android, and iOS.
• Network & Security: Embedded Tailscale integration for seamless, secure NAT traversal with minimal overhead.
• Automation & AI: On-board offline BIOS text recognition (OCR), built-in Starlark (Python-syntax) script engine, and native Model Context Protocol (MCP) integration for autonomous AI agents.
• Data Security: Hardware-isolated, immutable Btrfs snapshot sub-system protecting base images from unauthorized modifications or ransomware.
• Over-The-Air (OTA) Updates: Automated, seamless firmware update engine delivering continuous security patches and feature releases.

Comparison

USBridge-KVM 2.0 bridges the gap between traditional external IP-KVM appliances and proprietary enterprise server controllers (like iDRAC or iLO). It delivers deep Layer-0 access while drastically outperforming legacy hardware in video streaming latency, text-based BIOS navigation, and AI-driven script automation.

Support, Documentation & Open Source

I believe in open hardware and accessible software. USBridge-Remote, the unified client app for desktop and mobile, is fully open source. You can explore, audit, and contribute to the code directly on GitHub.

Repositories & Resources

• Client Application (Open Source): USBridge-Remote GitHub Repository — Source code for cross-platform desktop and mobile clients.
• Hardware & Design Files: USBridge Hardware Repository — Schematic diagrams, PCB design files, Bill of Materials (BOM), and 3D-printable enclosure models (STL/STEP).
• KVM Firmware & Documentation: USBridge-KVM 2.0 Repository — Step-by-step assembly guides and core system firmware with pre-installed ready-to-use OS.

Orders are shipped within 1–2 business days from Spain via tracked postal/courier service. Delivery times: Europe 3–7 days, Worldwide 7–14 days.