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Head-to-head · Hardware Diagnostic Software

HP PC Hardware Diagnostics vs Hard Disk Sentinel

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score HP PC Hardware Diagnostics #1 in Hardware Diagnostic Software 9.3/10 Free plan Free plan✓ 4 of 6 features Visit HP

HP PC Hardware Diagnostics leads on 1 check, Hard Disk Sentinel on 0, and 4 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreHP PC Hardware Diagnostics · 9.3/10
  • Free planonly HP PC Hardware Diagnostics
  • Most featuresHP PC Hardware Diagnostics · 4 of 6

HP PC Hardware Diagnostics scores higher on our rubric for hardware diagnostic software: 9.3 against 8.0 out of 10; our editors rank them #1 and #7.

HP PC Hardware Diagnostics offers free plan; Hard Disk Sentinel doesn't.

HP PC Hardware Diagnostics is the better fit for free Windows and UEFI system testing. Hard Disk Sentinel is the better fit for drive health monitoring with remote management.

  • HP PC Hardware Diagnostics fits best

    Free Windows and UEFI system testing

  • Hard Disk Sentinel fits best

    Drive health monitoring with remote management

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Side by side

Feature HP PC Hardware Diagnostics 9.3/10 Visit ↗ Hard Disk Sentinel 8.0/10 Visit ↗
At a glance
Editor score 9.3 8.0
Ranking #1 in Hardware Diagnostic Software #7 in Hardware Diagnostic Software
Best for Free Windows and UEFI system testing Drive health monitoring with remote management
Pricing model Free Paid
Starting price Free plan $22/device one-time
Free plan ✓ (best) —
Free trial — —
Deployment Desktop Desktop, Self-hosted
Platforms Windows Windows, Linux
Support Docs Email, Community
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features HP PC Hardware Diagnostics 4/6 · Hard Disk Sentinel 0/6
Stress testing Not checked yet Not checked yet
Memory testing ✓ (best) Not checked yet
Disk health checks ✓ (best) Not checked yet
GPU testing Not checked yet Not checked yet
Bootable diagnostic media ✓ (best) Not checked yet
Diagnostic reports ✓ (best) Not checked yet
Specs
Platform support Windows Not checked yet
Our review
Pros
  • Covers processor, memory, storage SMART, video memory, battery, and power tests
  • UEFI diagnostics can run when Windows does not start
  • Bootable USB media, saved logs, and 24-digit failure IDs support troubleshooting
  • Free plan includes SMART, health, temperature, wear, thresholds, and alerts
  • Paid editions add diagnostics, repair tests, backups, and remote monitoring
  • Reports are available in text, HTML, XML, and browser-based formats
Cons
  • Designed for HP desktop and notebook computers
  • Windows application support is limited to Windows
  • Available component tests can vary by computer model
  • Advanced capabilities depend on the paid edition selected
  • Platform support is listed for Windows and Linux
  • The entry-level paid plan covers fewer capabilities than higher tiers
Our verdict

HP PC Hardware Diagnostics is a free hardware-testing utility for HP desktop and notebook computers. It provides a Windows application for testing hardware while the operating system is active, alongside UEFI diagnostics that can run…

Read the review →

Hard Disk Sentinel monitors and analyzes HDDs, SSDs, and other storage devices for home users, system administrators, servers, desktops, notebooks, and organizations. It reads S.M.A.R.T. data and reports drive health, temperature,…

Read the review →
  1. HP PC Hardware DiagnosticsHardware Diagnostic Software 9.3Free plan
  2. Hard Disk SentinelHardware Diagnostic Software 8.0Paid

Strengths and trade-offs

  • HP PC Hardware Diagnostics — where it wins

    • Covers processor, memory, storage SMART, video memory, battery, and power tests
    • UEFI diagnostics can run when Windows does not start
    • Bootable USB media, saved logs, and 24-digit failure IDs support troubleshooting

    Where it doesn't

    • Designed for HP desktop and notebook computers
    • Windows application support is limited to Windows
    • Available component tests can vary by computer model
  • Hard Disk Sentinel — where it wins

    • Free plan includes SMART, health, temperature, wear, thresholds, and alerts
    • Paid editions add diagnostics, repair tests, backups, and remote monitoring
    • Reports are available in text, HTML, XML, and browser-based formats

    Where it doesn't

    • Advanced capabilities depend on the paid edition selected
    • Platform support is listed for Windows and Linux
    • The entry-level paid plan covers fewer capabilities than higher tiers
  • HP PC Hardware Diagnostics9.3/10 · Free plan

    Free Windows and UEFI diagnostics with stress tests, logs, and failure IDs.

    Visit HPFull verdict →
  • Hard Disk Sentinel8.0/10 · Paid

    A capable storage-health monitor with free SMART analysis and paid diagnostic and management tools.

    Visit siteFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update