| Feature | Blackmagic Disk Speed Test | Blackmagic Disk Speed Test (Free) | ATTO (Windows/macOS) | | :--- | :--- | :--- | :--- | | | ✅ (Excellent) | ❌ (Generic) | ❌ (Generic) | | Ease of Use | ✅ (One button) | 🟡 (Basic graphs) | 🟡 (Complex settings) | | Price | Free | Free | Free | | Platform | macOS Only | Windows/macOS | Windows/macOS | | Best For | Video editors | IT pros | Server admins |