03HC040

The 03HC040 Lenovo 100mm Fan Signal Cable is built to reliably transmit fan speed signals from cooling fans to the motherboard. This cable plays an essential role in ensuring proper thermal management in Lenovo desktops and workstations by enabling the system to monitor and adjust fan speeds as needed.

Often found in Lenovo’s small form factor PCs and tower models, this fan signal cable suits technicians and users who need to replace or upgrade cooling system components. Its precise length and connector types make it easy to install without excess cabling clutter.

Key Features

• Ensures accurate fan speed feedback to the motherboard
• 100mm length tailored for Lenovo system layouts
• Compatibility with multiple Lenovo desktop and workstation models
• Stable and durable wiring to maintain consistent airflow control
• Simple plug-and-play replacement without requiring additional adapters

This cable is typically deployed inside Lenovo devices where reliable fan monitoring is necessary to maintain system performance and prevent overheating. By keeping fan signals consistent, it helps the system adjust cooling dynamically for quieter operation and longer hardware lifespan.