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OCZ Trion 150 480GB SSD Review

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AIDA64 Disk Benchmark

Many enthusiasts are familiar with the Finalwire AIDA64 benchmark suite, but very few are aware of the Disk Benchmark tool available inside the program. The AIDA64 Disk Benchmark performs linear read and write bandwidth tests on each drive, and can be configured to use file chunk sizes up to 1MB (which speeds up testing and minimizes jitter in the waveform). Because of the full sector-by-sector nature of linear testing, Benchmark Reviews endorses this method for testing SSD products, as detailed in our Solid State Drive Benchmark Performance Testing article. One of the advantages SSDs have over traditional spinning-platter hard disks is much more consistent bandwidth: hard disk bandwidth drops off as the capacity draws linear read/write speed down into the inner-portion of the disk platter. AIDA64 Disk Benchmark does not require a partition to be present for testing, so all of our benchmarks are completed prior to drive formatting.

Linear disk benchmarks are superior bandwidth speed tools because they scan from the first physical sector to the last. A side affect of many linear write-performance test tools is that the data is erased as it writes to every sector on the drive. Normally this isn’t an issue, but it has been shown that partition table alignment will occasionally play a role in overall SSD performance (HDDs don’t suffer this problem).

OCZ Triton 150 480GB Linear Read

480GB TRN150-25SAT3-480G SSD Read Results

We run the AIDA64 linear read and write tests with a 1M block size. Charted above, read performance on the 480GB OCZ Trion SSD returned average speeds of 520.4MB/s.

AIDA64 linear write-to tests were next…

OCZ Triton 150 480GB Linear Write

480GB OCZ Trion 150 SSD Write Results

This is an interesting result. The initial speed of almost 500MB/s occurs until the relatively small 256MB cache is filled, then performance drops to an average of about 284MB/s. This drop in performance for sustained writes is typical of SSDs based on TLC memory, but this is still a very good result for this class of drives.

The chart below shows the average linear read and write bandwidth speeds for a cross-section of storage devices tested with AIDA64. Ranked by linear read results, the Trion 150 is a chart-topper…but notice the write results are significantly lower than those of many other drives.

AIDA64-Disk-Benchmark_Results

Linear tests are an important tool for comparing bandwidth speed between storage products, serve to highlight the consistent-bandwidth advantages of SSDs, which don’t suffer the performance drop-off that HDDs do as the test proceeds away from the fast outer edge of the disk.

In the next section we use PCMark Vantage to test real-world performance…


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