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Intel DC P3520 2TB Enterprise PCIe NVMe SSD Review

By: Jon Coulter | SSDs in IT/Datacenter | Posted: Jan 16, 2017 4:50 pm
TweakTown Rating: 97%Manufacturer: Intel

Web Server




We precondition the drive for 16,000 seconds, or 4.44 hours, receiving performance data every second. We plot this data to observe the test subject's descent into steady-state. We plot both IOPS and Latency. We plot IOPS (represented by blue scatter) in thousands and Latency (represented by orange scatter) in milliseconds. We observe steady-state is achieved at 7,000 seconds of preconditioning. We precondition with an inverted (all-write) workload.






The Web Server workload is a pure random read test with a wide range of file sizes. Our test consists of the following file sizes and corresponding percentage of the overall 100 percent workload file size: 512B = 22 percent, 1KB = 15 percent, 2KB = 8 percent, 4KB = 23 percent, 8KB = 15 percent, 16KB = 2 percent, 32KB = 6 percent, 64KB = 7 percent, 128KB = 1 percent, and 512KB = 1 percent.


Although our Web mix does not represent a completely accurate modern web server workload, it is a very taxing workload that does give us a realistic representation of how well an SSD handles an all-read mix. This kind of workload is exactly what the read-centric DC P3520 was designed to do. The DC P3520 is delivering performance that is roughly equivalent to three SATA SSDs at QD64. The DC P3700 has about a 28K advantage at QD256, but it costs more than double what the DC P3520 costs.


Conclusion (TL;DR): The DC P3520 was designed to flourish in a read-centric environment, and the results of this test clearly show Intel hit the nail on the head.

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