NTI ST-FOUSB4K-LC 4K USB/HDMI KVM Extender via Fiber
Best long-range solution for secure, high-resolution remote workstation setups.
Experience seamless 4K KVM extension with the NTI ST-FOUSB4K-LC, designed for high-performance remote access over fiber optics. This extender delivers crystal-clear Ultra-HD video and full USB peripheral control, ideal for secure workstations. It supports resolutions up to 4Kx2K at 30Hz and extends KVM signals up to 4,590 feet via singlemode fiber. While this model is discontinued, it represents NTI's advanced capabilities in fiber-based KVM solutions, offering robust performance and reliability for demanding applications.
$995.00
Owner Satisfaction
4.7
/ 5
Category Rank
1
/ 1363
Best KVM Switches
Price vs Category Average
-8%
Below average
Maximum Extension Distance
45901640
/ , ft (Singlemode Fiber) or , ft (Multimode Fiber)
Who it's for
- IT managers connecting hardware across large industrial facilities
- Video editors requiring pixel-perfect 4K visual fidelity
- Engineers working in environments with heavy electrical interference
Who should skip it
- Power users requiring high-speed USB 3.0 data transfer
- Budget-conscious buyers needing a cost-effective connectivity solution
- Installers lacking specialized fiber optic handling equipment
Performance breakdown
Signal Range
Fiber optics provide exceptional reach for remote workstation setups.
Video Fidelity
Delivers crisp 4K visuals, though limited to a 30Hz refresh rate.
Interference Immunity
Fiber transmission ensures complete protection against electromagnetic and radio frequency interference.
Peripheral Connectivity
Standard USB 2.0 ports handle essential input devices with reliable stability.
Build Robustness
Industrial-grade construction designed for demanding, high-security professional environments.
Setup Complexity
Requires fiber infrastructure knowledge, making it less accessible for casual users.
Key Specs
Maximum Extension Distance
4,590 ft (Singlemode Fiber) or 1,640 ft (Multimode Fiber)
Supported Resolution
4Kx2K (3840x2160@30Hz)
Bandwidth
Up to 340 MHz (10.2 Gbps)
Compliance
HDCP compliant, DDC2B, USB 2.0 standards
Connectors Local/Remote
1 x HDMI, 1 x USB Type B, 4 x USB Type A
RS232 Support
Full-duplex up to 115200 baud
Dimensions
5.91 x 4.33 x 1.10 in. (150x110x28mm)
Power Output
12 VDC, 2A
Features
- Extends 4K KVM over long fiber distances
- Supports Ultra-HD 4Kx2K resolutions
- Includes USB ports for peripherals
- Full-duplex RS232 support
- Low RFI/EMI for sensitive areas
- Ships with essential cables
- Hot-pluggable keyboard and mouse
- Integrated SFP module
What customers say
Professionals highly value the NTI KVM Extender for its exceptional reliability and superior performance in demanding environments. Users consistently report flawless 4K video transmission and USB control across long fiber optic distances with virtually no latency. The robust build quality ensures stable operation, making it a dependable, set-and-forget solution for critical applications like control rooms and broadcast facilities. While the initial cost is high, integrators justify the investment based on its unmatched stability and performance compared to less reliable options. This device successfully resolves complex signal integrity challenges for specialized users prioritizing unwavering performance.
Know before you buy
You can extend your signal up to 4,590 feet using singlemode fiber optic cable. If you are using multimode fiber, the maximum distance is reduced to 1,640 feet.
Yes, it supports Ultra-HD 4Kx2K resolutions at 30Hz, making it suitable for high-definition visual workstations.
Yes, the remote unit features four USB 2.0 Type-A ports, allowing you to connect a keyboard, mouse, and other peripherals like printers or flash drives.
Because it uses fiber optic transmission rather than copper, it provides excellent immunity to RFI and EMI, making it ideal for sensitive industrial or medical environments.
No, the device supports hot-plugging, meaning you can connect or disconnect your keyboard and mouse while the system is running without needing to reboot.
The NTI ST-FOUSB4K-LC comes with an integrated SFP module, which simplifies the setup process by providing the necessary fiber interface directly on the device.
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$995