GSmartControl

What is GSmartControl?

GSmartControl provides a graphical interface for the smartctl utility, which reads SMART (Self-Monitoring, Analysis and Reporting Technology) data from storage devices. It is a mature, stable tool that has been maintained for years, serving as the standard way to check disk health on Linux without digging into manual command-line flags. It supports a wide range of drives, including SATA, SCSI, and NVMe, though support for specific proprietary protocols may vary.

This tool is ideal for system administrators, homelab enthusiasts, and general users who want to proactively monitor their hardware. If you are used to checking disk health in Windows, this is the direct equivalent. It is particularly useful for setting up automated alerts or running self-tests on external drives connected via USB, ensuring you catch failing sectors or bad blocks before they cause data loss.

Compared to CrystalDiskInfo, GSmartControl feels slightly more utilitarian. While CrystalDiskInfo offers a polished, modern interface with detailed health scores, GSmartControl focuses on raw data presentation and direct access to smartctl commands. It lacks some of the visual flair but provides the same core functionality: reading attributes, running self-tests, and interpreting drive status. It is less 'pretty' but just as functional for diagnostics.

Best for: Users who need reliable, scriptable, and direct access to SMART data for system monitoring.

Key features of GSmartControl

• Graphical interface for smartctl
• Reads SMART attributes and health status
• Supports SATA, SCSI, and NVMe drives
• Runs Short, Extended, and Conveyance self-tests
• Configurable save and load of SMART data
• Support for USB-attached drives
• Detailed attribute breakdown with raw values
• Command-line integration for advanced users

Tips for Windows users

If you are coming from CrystalDiskInfo, note that GSmartControl does not provide a single 'Health: Good' percentage by default; you must interpret the attributes yourself or use the 'Health' tab which relies on smartctl's logic. The workflow is similar: select the drive, view attributes, and run self-tests. There are no proprietary file formats to convert, as both tools read the same SMART data directly from the drive. Keep in mind that some Windows-specific features like fan control or detailed temperature graphs may not be present or may look different.