For partial SSD, the result depends on test data (random, 0 fill, 1 fill).The result depends on Test File Size, Test File Position, Fragmentation, IDE (PATA)/SATA/RAID/SCSI controller and CPU speed etc….Select test data (Random, 0Fill, 1Fill)īTW, CrystalDiskMark is also an easy way to detect any possible physical problem on your hard drive.Measure random 512KB, 4KB, 4KB (Queue Depth=32) reads/writes speed.In addition, you can also customize the number of test runs, test data size, which drive to test, and decide whether testing various performance indicators simultaneously or separately. It runs five times with 1,000 MB data volume each time by default, and extracts the best score from the final results. In order to identify the performance and quality of them, which is especially suitable for the hard disk newly purchased or used for a long time.ĬrystalDiskMark’s simple and easy-to-use interface allow you to test your storage devices anytime and anywhere. DownloadĬrystalDiskMark Portable is available for immediate download from the CrystalDiskMark Portable homepage.CrystalDiskMark is a handy and practical utility designed to test the performance (random & continuous read/write speed) of your hard drive (HDD/SSD) or other storage devices. And it's in Format, so it automatically works with the Suite including the Menu and Backup Utility. It supports upgrades by installing right over an existing copy, preserving all settings. Installer / FormatĬrystalDiskMark Portable is packaged in a Installer so it will automatically detect an existing installation when your drive is plugged in. FeaturesĬrystalDiskMark can measure sequential reads/writes speed, measure random 512KB, 4KB, 4KB (Queue Depth=32) reads/writes speed, has support for different types of test data (Random, 0Fill, 1Fill), includes basic theme support and has multilingual support (though it will not yet remember your language selection between runs). 3 4 It works by reading and writing through the filesystem in a volume-dependent way.
Based on Microsoft's MIT-licensed Diskspd tool, 2 this graphical benchmark is commonly used for testing the performance of solid-state storage. Update automatically or install from the portable app store in the Platform. CrystalDiskMark is an open source disk drive benchmark tool for Microsoft Windows from Crystal Dew World. And it's open source and completely free. It's packaged in Format so it can easily integrate with the Platform. CrystalDiskMark requires admin rights to operate and includes the 32-bit, 64-bit and ARM 64-bit versions (automatically selected). It is useful for comparing the speed of both portable and local storage devices. CrystalDiskMark is a disk benchmark utility that measures performance for sequential and random reads/writes of various sizes for any storage device. A new version of CrystalDiskMark Portable has been released.
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