Please always use the latest version of IsMyHdOK !
1. ✅ Why IsMyHdOK is the ideal fast hard drive test
2. 📊 What values does IsMyHdOK measure?
3. 📁 100% portable – No registry, no installation
4. 🖥️ System requirements & compatibility
5. 📌 Benefits at a glance (optimized for Google)
6. 🧪 Tip for professional benchmark runs
7. 🔗 Summary
1.) ✅ Why IsMyHdOK is the ideal fast hard drive test
Unlike heavy benchmark suites, IsMyHdOK does not require administrator rights (for basic tests) and can be launched immediately after downloading. It is perfect for:
- Quick performance tests after building a new PC
- Comparing SATA SSDs, NVMe M.2, and USB 3.2 Gen 2 drives
- Troubleshooting suspected hardware defects or bottlenecks
- Before/after tests after driver or BIOS updates
2.) 📊 What values does IsMyHdOK measure?
The tool performs sequential and random read/write operations and displays the following results:
- Seq. Read / Write → large files (e.g., video files)
- 4K Random Read / Write → small files (e.g., everyday Windows tasks)
- Access time (ms)
- Average speed (MB/s)
These values are directly comparable to benchmarks from CrystalDiskMark or AS SSD, but easier to use.
⚙️ Flexible trial duration to suit every need
IsMyHdOK offers various time profiles:
| Test duration | Application area |
|-----------|----------------|
| 15 seconds | Quick test for SSDs/NVMe |
| 30 seconds | Standard test (recommended) |
| 1–5 minutes | Stress test for USB sticks |
| 10+ minutes | Long-term test for HDDs & heat generation |
> 💡 Choose shorter tests for NVMe, longer ones for mechanical hard drives, as HDDs have higher latencies.
3.) 📁 100% portable – No registry, no installation
Simply place IsMyHdOK on a USB stick and use it on:
- Windows 10 (21H2 and newer)
- Windows 11 (22H2, 23H2, 24H2)
- Windows 12 (compatible in compatibility mode)
The configuration is saved in a `.ini` file – ideal for technicians, IT service providers and system administrators.
4.) 🖥️ System Requirements & Compatibility
| Criterion | Value |
|-----------|------|
| Operating System | Windows 10 / 11 / 12 |
| Architecture | x64, x86 (32-bit) |
| RAM | 512 MB or more |
| Hard Drive | < 10 MB of free space |
| Additional | .NET Framework 4.8 or higher |
> Note: For accurate results, the test should be performed with the system idle (no backups, Windows updates, or virus scans running).
5.) 📌 Benefits at a glance (optimized for Google)
- No installation required – start immediately
- Suitable for HDD / SSD / USB / NVMe / SD cards
- International units (MB/s, ms)
- Free for private and (partially) commercial use
- Very low CPU usage (less than 5%)
- Logging function automatically saves all results
6.) 🧪 Tip for professional benchmark runs
Use the serial test mode (unnamed, but in the hidden menu with a "Loop" option) – this will detect hot/cold performance, especially important for USB sticks with cache fallback (e.g., after writing 10-20 GB).
7.) 🔗 Summary
IsMyHdOK : Portable hard drive benchmark for Windows 11, 10 & 12. Test read/write speeds of SSDs, HDDs, and USB drives – no installation required. Free, fast, and accurate .
