SpinRite

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

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About

SpinRite is ranked #14 of 25 in disk diagnostic software on Inferse. It runs on Windows. There is no free plan.

Compared on disk diagnostic software

Free plan: Nogrc.com
Paid from: 89 one-timegrc.com
Bad-sector scan: Yesgrc.com
Read/write testing: Yesgrc.com
Surface scan: Yesgrc.com
Bootable media: Yesgrc.com
Platform: dosgrc.com
SMART tests: Yesgrc.com

Facts

Purpose: SpinRite scans magnetic and solid-state storage to verify, restore, repair, and improve data readability.grc.com · 30 Sept 2026
Data recovery: The maker says SpinRite attempts to recover unreadable or barely readable data and rewrite recovered data to the media.grc.com · 30 Sept 2026
SSD maintenance: The maker says SpinRite can refresh solid-state media and recommends running it annually on SSDs.grc.com · 30 Sept 2026
SMART monitoring: SpinRite monitors SMART feedback while a drive is under read and write workload.grc.com · 30 Sept 2026
Supported storage: SpinRite works on mass-storage devices independently of operating system and file system, including spinning and solid-state media.grc.com · 30 Sept 2026
Computer compatibility: Version 6.1 requires an Intel or AMD PC with a 32- or 64-bit processor and BIOS or BIOS-compatible firmware; it does not currently run on ARM PCs.grc.com · 30 Sept 2026
Boot requirement: SpinRite 6.1 is a DOS application and cannot boot on systems without BIOS support; GRC offers the BootAble freeware to check compatibility.grc.com · 30 Sept 2026
USB connections: USB connections can be used when necessary, though GRC says direct PATA or SATA connections are best.grc.com · 30 Sept 2026
Performance limit: GRC says SpinRite 6.1 can take a long time on large drives and gives about two hours per terabyte as a rule of thumb for modern directly connected SATA drives.grc.com · 30 Sept 2026
No low-level formatting: SpinRite does not low-level format IDE, EIDE, SATA, or SCSI drives.grc.com · 30 Sept 2026
Download and boot media: The SpinRite executable runs under Windows to create bootable media, which starts SpinRite under its included FreeDOS system.grc.com · 30 Sept 2026
Updates and replacement: GRC says purchasers can use their receipt links or transaction code to retrieve the latest version or replace a lost download.grc.com · 30 Sept 2026
Support: GRC says it provides pre- and post-sales assistance and directs users to its technical support resources.grc.com · 30 Sept 2026
Future platform plans: GRC says it is exploring Windows and RTOS-32 versions but cannot commit to a release date.grc.com · 30 Sept 2026