Disk Benchmarks

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This page lists benchmark tests for some hard drives.

The tests are done with Disk Utility program (Ubuntu) and usually are Read-Only Benchmark tests on used drives.

Test results

Test setup:

  • Motherboard: ASUS P8Z68-M PRO, Chipset: Intel Z68
  • CPU: Intel i5-2500K @3.30GHz
  • SATA Host Adapter1: ASMedia Technology ASM1062 Serial ATA controller
  • SATA Host Adapter2: Intel 6 Series/C200 Series Chipset Family SATA AHCI controller
  • Ubuntu 12.04 Desktop


  • RR = Read Rate (Mb/s)
  • WR = Write rate (Mb/s)
  • AT = Access Time (ms)

Drive and specs Capacity Connection Min RR Max RR Avg RR Avg AT
Buffalo ST9250315AS 250GB USB 480Mb/s 23.2 40.3 38.5 25.5
Samsung SP2504C, SunBright enclosure 250GB USB 480Mb/s 33.9 38.2 36.0 14.6
OCZ Vertex 3 (SSD) 120GB SATA3 6Gb/s 321.6 564.1 522.8 0.2