HDDScan
Test your hard drive.
HDDScan is a freeware Windows utility for checking the health and performance of storage devices. It runs surface tests to detect bad blocks and bad sectors, reads and analyzes S.M.A.R.T. attributes, and can adjust certain drive parameters such as AAM and APM. It also serves as a temperature monitor and a read/write benchmark, displaying performance graphs for each test.
The program supports IDE (ATA), SATA, SCSI (SAS), external USB, FireWire, RAID volumes, USB Flash drives, and SATA/ATA SSDs. Surface tests include linear verification, reading, erasing, and Butterfly read modes. It can run Short, Extended, and Conveyance S.M.A.R.T. tests, generate identity and S.M.A.R.T. reports, and save results in MHT format for printing. Additional tools cover defect reporting for SCSI drives, spindle start/stop, and command line support. A Tasks Manager queues and tracks surface tests, S.M.A.R.T. tests, and temperature monitoring.
HDDScan is distributed as freeware for Windows systems, with no paid editions, trials, or seat-based plans indicated. It is intended for users performing routine drive health checks, monitoring drive temperature, benchmarking performance, or diagnosing storage devices before data loss occurs.
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