by Seth Colaner — Friday, September 06, 2013
External Storage Roundup: LaCie, Toshiba, and WD
ATTO Disk Benchmarks
ATTO is a "quick and dirty" type of disk benchmark that measures transfer speeds across a specific volume length. It measures transfer rates for both reads and writes and graphs them out in an easily interpreted chart. We chose .5kb through 8192kb transfer sizes and a queue depth of 6 over a total max volume length of 256MB. ATTO's workloads are sequential in nature and measure bandwidth, rather than I/O response time, access latency, etc. This test was performed on blank, formatted drives with default NTFS partitions in Windows 7 x64.
The LaCie and the WD drives were just about neck and neck throughout both the read and write test, although the former performed slightly better at smaller transfer sizes; both had an odd but brief dip in performance in the write test at larger transfer sizes. The Toshiba drive wasn't far behind, but it was decidedly trailing the other two.
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