It is a memory benchmarking programme for Mac OS X that uses CrystalDiskMark's user interface. It is a port of CrystalDiskMark for Mac OS X, published by Katsura Shareware, developed by Twitter user polydron. Other features include Intel RAID support, e-mail and sound warnings, and AAM/APM adjustment. Like CrystalDiskMark, this tool is designed with an emphasis around solid state devices, supporting NVMe connections in addition to the usual PATA and SATA. utility for reading and monitoring disk drive status. May 22, 2008 15 years ago ( ) ( BSD 3-Clause)ĬrystalDiskInfo is an MIT-licensed S.M.A.R.T. CrystalDiskInfo CrystalDiskInfo Developer(s)

There is a macOS clone version of it called AmorphousDiskMark developed by Katsura Shareware, named after the non-crystalline amorphous state of solids. Solid-state drives tend to excel at random IO, as unlike hard drives, they do not need to seek for the specific position to read from or write to. It generates read/write speeds in sequential and random positions with varying numbers of queues and threads. It works by reading and writing through the filesystem in a volume-dependent way. Based on Microsoft's MIT-licensed Diskspd tool, this graphical benchmark is commonly used for testing the performance of solid-state storage. English, Japanese, Russian, Chinese, etc.ĬrystalDiskMark is an open source disk drive benchmark tool for Microsoft Windows from Crystal Dew World.

Mark disk