Dimension scores are derived from public data and fields; weighted into the composite. Reference only.
HDDScan is a free Windows-based diagnostic tool for local hard drives and SSDs, designed for drive health checks, bad block/bad sector detection, S.M.A.R.T. attribute reading, temperature monitoring, and basic performance testing. The review highlights its use for regular “health checks” to help users back up data before a drive degrades. If a device is already making unusual noises, users are advised to stop powering it on immediately and contact a professional data recovery service.
HDDScan offers a fairly broad feature set: it supports surface tests such as linear Verify, Read, Erase, and Butterfly Read, and can generate speed graphs, response-time maps, and reports. It can read S.M.A.R.T. attributes for ATA/SATA/USB/FireWire drives, run short tests, extended tests, and Conveyance tests, and monitor temperature. It can also read device identity information, adjust parameters such as AAM, APM, and PM, and, for SCSI devices, view defect lists and control spindle start/stop. Reports can be saved as MHT files or printed. Command-line support is also available, allowing users to generate .cmd/.bat files for background execution.
Supported devices include IDE/ATA, SATA, SCSI/SAS, USB external drives, FireWire, RAID volumes, USB Flash drives, and SATA/ATA SSDs. However, feature support is not consistent across all device types: RAID volumes and USB Flash drives only support surface testing; advanced USB/FireWire capabilities depend on the controller or SAT protocol; and SSD support also varies by controller. System requirements cover Windows XP SP3 through Windows 10, with no mention of Windows 11, Linux, or macOS. As for testing limitations, only one test can run at a time; Verify may be unreliable on USB/Flash devices; and Erase will overwrite data, so it must be used with caution.
HDDScan is explicitly freeware, with no subscription, commercial edition, or licensing fee information shown, making it a strong value option. The documentation is quite detailed, covering interface buttons, testing workflows, report fields, temperature meanings, and supported chip lists. It is suitable for users with some hardware knowledge, though the overall style is closer to a traditional manual, with relatively limited risk warnings and beginner-friendly guidance.
Its strengths are that it is free, offline, and runs locally, while offering a comprehensive set of diagnostic dimensions. It is suitable for individual users, repair technicians, and system administrators performing initial drive inspections. Its drawbacks include an aging platform, a traditional interface, limited compatibility with some devices, and the fact that it cannot replace professional data recovery. The review does not provide information on access from China, so actual availability should be tested case by case. Alternatives include CrystalDiskInfo, smartmontools, Victoria, and HD Tune.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on hddscan.com official site.
hddscan.com is an Unknown Dev Tools provider. TG4G tracks its product information, an overall rating of 7.0/10, and a China-accessibility score of China direct-connect friendly. Click "Visit Official Site" to reach hddscan.com directly.