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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

Email 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. Average steady-state workload performance at QD256 is approximately 29.5K IOPS.






An Email Server workload is a demanding 8K test with a 50 percent R/W distribution. This application gives a good indication of how well a drive will perform in a write heavy workload environment.


The DC P3520 is intended for read-centric applications as evidenced by this write heavy workload. The DC P3520 does still outperform the best SATA has to offer; however, it's not by a whole lot. Again, we note that the DC P3520 is delivering the best performance of the bunch at QD1. The DC P3520, like the SATA SSDs in our test pool, delivers peak performance at QD16. When we compare the DC P3520 to a lower performing SATA SSD like the M510DC, we find the DC P3520 delivering over 2.5x the performance.


Conclusion (TL;DR): Even though the DC P3520 is a read-centric SSD, it is still able to outperform the best SATA has to offer when subjected to write intensive workloads.

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