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Tech riderRev. 30 Sept 2026

SpinRite

Ch 176.4of 25 Disk Diagnostic Software
  1. 1Runs onWindows
  2. 2CostsNot stated by the maker
  3. 3Bad-sector scanYes
  4. 4Read/write testingYes
  5. 5Surface scanYes
  6. 6Bootable mediaYes
  7. 7Platformdos
  8. 8SMART testsYes
7 lines stated Written from the maker's own pages: grc.com
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The SpinRite homepage

Overview

SpinRite is ranked #17 of 25 in disk diagnostic software on Specifiction. It runs on Windows. There is no free plan.

SpinRite plans and pricing

All plans
SpinRite v6.1 Not published Personally licensed copy · runs on compatible Intel/AMD PCs with BIOS support grc.com · 30 Sept 2026

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

Company

Founded
1985grc.com · 28 Sept 2026
Headquarters
Laguna Hills, California, USAgrc.com · 28 Sept 2026

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Where it ranks on Specifiction

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Sources