Hard Disk Sentinel
6.9#2 in hardware diagnostic software$22 one-timeFree planLinuxWindows
VisitHard Disk Sentinel vs MemTest86
What both publish
| Fact | Hard Disk Sentinel | MemTest86 |
|---|---|---|
| Purpose | Hard Disk Sentinel monitors, diagnoses, tests, and reports on hard disk and SSD health, performance degradation, and failures. | MemTest86 boots from USB and tests computer RAM for faults using memory test algorithms and patterns. |
| Support | Registration includes free life-of-product technical support and help. | Free users receive a public forum, while Pro and Site users receive phone, email and forum support plus 12 months of upgrades. |
Hard Disk Sentinel plans
- TrialFree
- LinuxFree
- DOSFree
- Standard$22, paid once
- Professional$33, paid once
- Professional Family$59, paid once
MemTest86 plans
- Pro Site Edition$5,557, paid once
- MemTest86 Pro Support Extension$76 a year
- Free EditionFree
- Pro Support Extension$76 a year
- Pro Download$116, paid once
- Pro USB Drive$144, paid once
Pick Hard Disk Sentinel if…
It suits home users, server administrators, small and large companies, and civil organizations that need storage monitoring. Professional and Enterprise are aimed at users needing surface repair, backups, integrations, or network-wide management.
Pick MemTest86 if…
MemTest86 suits people diagnosing RAM faults or checking whether memory is contributing to system instability. Its Pro and Site editions add automation or LAN deployment for users who need those capabilities.