AIDA64 Random Access Time
Version and / or Patch Used: 1.60
Developer Homepage: http://www.aida64.com
Product Homepage: http://www.aida64.com
AIDA64 offers several different benchmarks for testing and optimizing your system, or network. The Random Access test is one of very few, if not only, that will measure hard drives random access times in hundredths of milliseconds as opposed to tens of milliseconds.
Drives with only one or two tests displayed in the write test, mean that they have failed the test, and their Maximum, and possibly their Average Scores, were very high after the cache fills. This usually only happens with controllers manufactured by Jmicron.
Access time is what makes your system feel fast. The lower the access time, the faster your system feels. While manufacturers like to talk about IOPS performance at high queue depths and sequential reads and writes of over 500+ MB/s, access time is what makes your system fast.
The ASUS ROG RAIDR Express keeps the read latency down to normal LSI SandForce SF-2281 levels. They are a little higher than some of the other drives on the chart, but they are more consistent.
The write latency is nearly identical to the read latency: .19ms.
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