is one of the industry's longest-standing and most trusted tools for measuring the performance of storage systems. Developed by ATTO Technology , this free utility is used by top drive manufacturers, IT professionals, and hardware reviewers to verify the maximum transfer speeds of hard drives (HDD), solid-state drives (SSD), RAID arrays, and host connections. Key Features of ATTO Disk Benchmark

Measures read and write speeds across block sizes ranging from 512B to 64MB .

Generates an easy-to-read bar chart that displays performance trends as block sizes increase. Why Professionals Use ATTO

Unlike basic speed tests, ATTO provides a comprehensive performance profile by testing a wide range of data block sizes.

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