Cloud, Backup & PC
Best Hardware Diagnostic Software in 2026
Hardware diagnostic software can help you check components, investigate faults, and assess system health. Compared on bootable diagnostic media, disk health checks, memory testing, GPU testing, and stress testing, these entries cover different kinds of examination.
- 01 MemTest86
MemTest86 suits system builders, PC repair stores, overclockers, and PC manufacturers diagnosing RAM faults or checking whether RAM is causing instability.
From $6.33/mo Free plan Windows · macOS · Linux · Self-hosted8.8 Visit Specs - 02
GSmartControl GSmartControl suits users who want a graphical way to inspect SMART information and run drive tests across supported desktop systems.
Free plan Windows · macOS · Linux8.4 Visit Specs - 03 Hard Disk Sentinel Free plan Windows · Linux8.3 Visit Specs
- 04 3DP Chip Free plan Windows7.9 Visit Specs
- 05
Eurosoft Pc-Check From $8.75/mo Windows · Linux · Self-hosted7.9 Visit Specs - 06 smartmontools
smartmontools suits users who want SMART health information, device self-tests, or ongoing drive monitoring and warnings.
Free plan Windows · macOS · Linux7.9 Visit Specs - 07 HD Tune Pro From $29.95/mo Free trial Windows7.8 Visit Specs
- 08 HDAT2
HDAT2 suits users who need drive and file-system diagnostics from bootable DOS media.
Free plan Windows7.7 Visit Specs - 09 Intel VTune Profiler
VTune suits developers and performance engineers investigating application or system bottlenecks across CPU, GPU and NPU workloads.
Free plan Windows · Linux · Self-hosted7.7 Visit Specs - 10 FurMark
FurMark suits Windows overclockers, PC gamers, builders, reviewers, benchmarkers, and support technicians who need GPU stress or benchmark runs.
Free plan Windows7.6 Visit Specs - 11 MemTest86+
MemTest86+ suits users diagnosing memory-related crashes, freezes, or system instability.
Free plan Windows · macOS · Linux7.6 Visit Specs - 12 PC-Doctor Toolbox
It suits people maintaining Windows PCs who need component diagnostics, system history, and monitoring.
Free plan Web · Windows7.6 Visit Specs - 13 Prime95
Prime95 suits people interested in contributing computing work to GIMPS or checking CPU and cache stability.
Free plan Windows · macOS · Linux · Self-hosted7.6 Visit Specs - 14
Speccy Speccy suits home users who want to inspect PC components, temperatures, or diagnostic data and save system reports.
Free plan Windows7.6 Visit Specs - 15
HDDScan HDDScan suits Windows users diagnosing supported storage devices and reviewing SMART or surface-test results.
Free plan Windows7.5 Visit Specs - 16 stress-ng
stress-ng suits people investigating system behavior under load, including hardware issues or operating system bugs.
Free plan Windows · macOS · Linux · Android7.4 Visit Specs - 17 MemTest64
It suits Windows users who need an in-system memory check, including overclockers adjusting memory settings.
Free plan Windows7.3 Visit Specs - 18 HP PC Hardware Diagnostics Windows7.2 Visit Specs
- 19 Piston
It suits Android users who need OBD2 diagnostics and already have, or plan to obtain, an ELM327 Bluetooth or WiFi adapter.
Free plan Android7.2 Visit Specs - 20 HardInfo2 Linux7.1 Visit Specs
- 21 Ultimate Boot CD
UBCD suits users who need bootable diagnostics for hardware checks, including stress, memory, disk, and GPU testing.
Free plan Windows · Linux · Self-hosted7.1 Visit Specs - 22 BurnInTest From $4.83/mo Windows · Linux7.0 Visit Specs
- 23 Karhu RAM Test Windows7.0 Visit Specs
- 24 Blackwire Hardware Diagnostics 5.9 Visit Specs
- 25 CrystalDiskInfo Windows5.9 Visit Specs
Diagnostic reports and platform support help clarify what each tool provides and where it runs; free plans and paid-from pricing add cost context. Hard Disk Sentinel and smartmontools are options to weigh for disk-related checks, while MemTest86+ is among the named tools for memory testing. Compare the listed capabilities with the hardware you need to examine and the kind of troubleshooting you want to do.
Compare MemTest86 and GSmartControl Get a place on this list