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Intel DC P3520 Enterprise NVMe SSD Review (1.2TB) – With 3D NAND Comes Value

128KB SEQUENTIAL READ/WRITE

Sequential performance is measured similarly to the other two tests before. The drive is first secure erased to get it in a clean state. Next, we precondition the drive with a 128KB sequential write workload at QD256 until the drive is in a steady state. Finally, we cycle through QD1-256 for 5 minutes each for writes and then reads. All this is scripted to run with no breaks in between. The last hour of preconditioning, the average MB/s, and average latency for each QD is graphed below.

Intel DC P3520 1.2TB 128K Precondition

Unsurprisingly, the Intel DC P3520 delivers very good sequential write performance and consistency, except for a small blip see at just before the 18,000-second mark.

Intel DC P3520 1.2TB Seq ReadIntel DC P3520 1.2TB Seq Read Lat

During sequential read the Intel DCP 3520 averaged 1,600MB/s after QD16, which is surprisingly lower than the rated spec of 1,700MB/s.

Intel DC P3520 1.2TB Seq Write Intel DC P3520 1.2TB Seq Write Lat

In contrast to its sequential read performance, during sequential write testing, the Intel DC P3520 performs magnificently. It averages 1,300MB/s from QD1 on, which is in line with its rated specification, and trails just behind the Techman XC100 1.6TB.

  • Rados?aw Or?owski

    Looks like solid piece. But I still wait for real optane.

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