Starting off testing, the PR4100 did quite well in read performance reaching 118 MB/s in both RAID 0 and RAID 5.
Write performance was only slightly lower, 116 MB/s for RAID 0 and 114 MB/s for RAID 5.
Moving over to workload testing, we started with RAID 0. As you can see the PR4100 performed quite good peaking at 650 IOPs in Database, 500 IOPs in File Server with its low coming in Web Server at 375 IOPs.
RAID 5 produced the opposite with Web Server coming out on top at 440 IOPS. Email Server was the lowest at 150 IOPs.
PRICING: You can find the product discussed for sale below. The prices listed are valid at the time of writing, but can change at any time. Click the link below to see real-time pricing for the best deal:
United States: The WD My Cloud Pro PR4100 40TB retails for $XXX at Amazon.
United Kingdom: The WD My Cloud Pro PR4100 40TB retails for £ at Amazon UK.
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