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Intel NAS Performance Toolkit

Intel NASPT is another disk sub-system test that employs real-life usage scenarios. Like PCMark 7, Intel NASPT reproduces predefined disk activity traces and measures how fast they are executed. However, the default traces are designed for network attached storage devices rather than for SSDs. Therefore during our test session we replace them with the specially developed SSD Benchmarking Suite which offers more relevant usage scenarios such as compressing and decompressing files, compiling large projects, copying files and folders, loading 3D game levels, installing software, batch-processing photos, searching a digital library for data, mass-launching applications, and transcoding video.

Like PCMark 7, this benchmark gives us a true-to-life illustration of disk subsystem performance. Here the SSDs are again tested in their “steady” state.

Intel’s NASPT seems to provide a more realistic picture of SSD performance, and the SanDisk Ultra Plus has a rather high overall score. Like in PCMark 7, it is only inferior to the recognized leaders such as the Samsung 840 Pro, OCZ Vector and Plextor M5 Pro. The other SSDs from the same price category as the SanDisk Ultra Plus have lower scores.

Besides the average benchmark score, we would also like to offer you the results of individual usage scenarios, which will show where new SanDisk SSD can really shine. Note that the data-transfer rate is higher than the SATA 3 interface bandwidth in some subtests. That’s because INASPT is a high-level test that uses standard Windows functions to access the disk subsystem. As a result, the OS caching mechanisms also affect the results.

The SanDisk Ultra Plus is especially fast in two cases: when copying a large file from the SSD and when installing a large software bundle on the SSD. Apart from these, the Ultra Plus is no better than the Intel 520, Samsung 840 and Plextor M5S. So it is an interesting mainstream SSD but there’s nothing exceptional about it despite the averaged scores.

 
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