HWMonitor 1.55
Latest version • Updated May 2026
HWMonitor 1.55 is the most popular free hardware monitoring tool for Windows. It provides real-time information about CPU, GPU, motherboard, SSD, and HDD temperatures, voltages, fan speeds, power consumption, and other vital sensors. With its simple and clean interface, HWMonitor helps you keep track of your system’s health, detect overheating issues early, and monitor performance during gaming or heavy workloads. Lightweight, accurate, and trusted by millions of users worldwide.
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About HWMonitor
HWMonitor 1.55 is a lightweight and highly reliable hardware monitoring program from CPUID. It provides accurate real-time information about all important sensors in your computer: CPU and GPU temperatures, voltages, fan speeds, power consumption, clock speeds, and many other parameters.
Thanks to its simple interface and low resource usage, HWMonitor has become one of the most popular hardware monitoring tools among gamers, overclockers, system builders, and regular users who want to keep track of their PC’s health and temperatures.
The program supports modern hardware including the latest Intel and AMD processors, NVIDIA and AMD graphics cards, and various motherboard sensors. In version 1.55 (May 2026) support for new generation components was further improved, along with better detection of NVMe SSD temperatures and more accurate readings.
HWMonitor is completely free, contains no ads, and does not require installation (portable version available). It is an essential tool for anyone who wants to monitor system temperatures and prevent overheating.
Key Features
- Real-time monitoring of CPU, GPU, motherboard and SSD temperatures
- Voltage and power consumption tracking for all major components
- Fan speed and RPM monitoring with alerts
- Support for modern hardware including latest Intel, AMD, and NVIDIA processors and GPUs
- Simple, clean, and easy-to-understand interface
- Very low resource usage — does not affect gaming or work performance
- Export sensor data to text or CSV files
- Support for multiple sensors from different manufacturers
- Customizable temperature display (Celsius / Fahrenheit)
- Portable version — no installation required
System Requirements
HWMonitor 1.55 is extremely lightweight and was designed to run on almost any Windows computer without noticeable impact on performance. It works perfectly on both old and modern systems.
- Windows 11 / Windows 10 / Windows 8.1 / Windows 7 (32-bit and 64-bit)
- 512 MB RAM minimum (1 GB or more recommended)
- 20 MB free disk space
- Any processor with SSE2 support
- No powerful GPU or internet connection required
Alternatives to HWMonitor
If you are looking for other hardware monitoring tools in 2026, here are the most popular alternatives to HWMonitor. Each has its own focus and strengths.
- Core Temp — lightweight tool focused specifically on CPU temperature monitoring
- MSI Afterburner — excellent for GPU monitoring with overclocking capabilities
- CrystalDiskInfo — best choice for detailed SSD and HDD health monitoring
- Speccy — more detailed full system information tool from Piriform
- AIDA64 — very powerful but paid hardware diagnostics suite