WD My Book World Edition II External 2TB NAS Drive

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File Transfer Testing and Intel NAS Toolkit

The previous page of synthetic benchmarks looks great and makes it easy to compare performance, but what about real world testing? For this we did some drag and drop transfer tests using some movies from our desktops OCZ 120GB Vertex EX SLC SSD to the My Book World Edition II NAS device.

My Book World Edition II File Transfer Testing

The upload the 11.1GB movie file to the WD My Book World Edition II took roughly 13 minutes and the upload speeds topped out at around 16MB/s to 18MB/s.

My Book World Edition II File Transfer Testing

Once the files were uploaded to the network attached storage server, we then downloaded them to a new location on the client machine.  The download speed was quicker at just over five minutes and the top speed seen was 40.8MB/s during the download.

The last test I want to run on the WD My Book World Edition II is the Intel NAS Performance Toolkit Exerciser v1.7.0. The Intel NAS Performance Toolkit is a file system exerciser and analysis tool designed to enable performance comparisons between network attached storage (NAS) devices. Intel NASPT focuses on user level performance using real world workload traces gathered from typical digital home applications: HD video playback and record, data backup and restore utilities, office productivity applications, video rendering/content creation and more. Intel NASPT reproduces the file system traffic observed in these traces onto whatever storage solution the user provides, records the system response, and reports a rich variety of performance information. The end result is readily comparable performance measurements that are useful to developers as well as intuitive and compelling to consumers.

My Book World Edition II - Intel NASPT Benchmark Results

The Intel NAS Performance Toolkit is one of the only benchmarks that we are aware of that was designed from the ground up just to measure NAS performance. The benchmark tests 18 different test scenarios to give you a great overall idea of how the NAS performs. The Intel NAS Performance Toolkit reported 16MB/s file copy speed to the NAS and 40MB/s file copy speeds from the device.  This confirms our drag and drop testing that showed 17MB/s to and 41MB/s from the WD My Book World Edition II.

Our benchmark results show that you don’t get the speed of something like eSATA or a high-end NAS server, but the My Book does fairly well for how it has been designed and for a RAID 1 array. Higher-end NAS devices can cost over $500, not including the hard drives, so to hit greater speeds you need to dig much deeper into your wallet.

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