Samsung Portable SSD T3 Review: Fast, Sleek USB-C Storage
ATTO and AS-SSD Testing
ATTO is another "quick and dirty" type of disk benchmark that measures transfer speeds across a specific volume length. It measures raw 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 raw bandwidth, rather than I/O response time, access latency, etc.
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Once again we see the Samsung Portable SSD T3 trail the SATA-based solid state drives, but clearly outpace the USB 3.0 thumb drive. The T3's performance, however, is much closer to the SATA drives...
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The compressibility of data being transferred on the Samsung Portable SSD T3 had no impact on performance. Transfer rates were consistent across the board here.
