Corsair Neutron NX500 400GB & 800GB NVMe PCIe SSD Review (Page 4)

| Aug 10, 2017 at 7:59 am CDT
Rating: 91%Manufacturer: Corsair

ATTO

Version and / or Patch Used: 3.05

ATTO is a timeless benchmark used to provide manufacturers with data used for marketing storage products. When evaluating ATTO performance, we focus on the drive's performance curve.

VIEW GALLERY - 105 IMAGES
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Like all Phison E7 powered SSDs, the NX500 digests compressible data particularly well. The 400GB model writes sequential compressible data a bit faster than the 800GB model. The 800GB model reads sequential compressible data a bit faster than the 400GB. The slight differences between the two capacity points are most likely just variability between runs and not actual performance differences per se.

Sequential Write

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Graphing the performance curve displays the what we typically see from E7 powered SSDs. The NX500's and the MDD BPX (both E7 Powered SSDs) leave the test pool behind at file sizes of 32KB and larger. E7 powered SSDs handle compressible data differently than they do incompressible data.

Sequential Read

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The 950 Pro delivers superior small-file sequential read performance. The NX500 delivers a better performance curve than the rest of the drives in our test pool except the 950 Pro. We place a higher importance on small-file performance with this testing which is why we give the win to the 950 Pro.

Anvil Storage Utilities

Version and / or Patch Used: 1.1.0

Anvil's Storage Utilities is a storage benchmark designed to measure the storage performance of SSDs. The Standard Storage Benchmark performs a series of tests; you can run a full test or just the read or write test, or you can run a single test, i.e. 4k QD16. When evaluating performance with Anvils, we focus on the total score. When evaluating NVMe SSDs, we are typically looking for a minimum total score of over 10K. We place a greater importance on read performance than write performance.

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Scoring

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In terms of total score, the 800GB NX500 delivers the third best score, and the 400GB NX500 comes in second to last. Now if we dig a little deeper, we see that the when it comes to read performance, the NX500 is a beast. Of the drives in our test pool, only the 950 Pro outperforms the NX500 when reading data. We place a higher importance on read performance than write and the NX500 gives us what we are looking for.

(Anvil) Read IOPS through Queue Depth Scale

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Both capacities hit 291K random read IOPS at QD32 as OS disks 75% full.

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Here we see the NX500 preforming very similar at both capacity points. The NX500 is running almost identical to OCZ's RD400. The NX500's are both outperforming the MDD BPX. ADATA's SX800 brings up the rear by delivering substandard read performance. The Intel 750's don't start delivering the goods until we hit QD16.

(Anvil) Write IOPS through Queue Scale

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Corsair Neutron NX500 400GB & 800GB NVMe PCIe SSD Review 27 | TweakTown.com

We are able to attain 197K random write IOPS at QD32 with the 400GB NX500, 918K with the 800GB model. It is important to keep in mind that our results are with the drive running as our OS disk 75% full.

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At queue depths of 1-4, the NX500 is being outperformed by the MDD BPX. Both the NX500 and BPX are E7 based SSDs. The reason the BPX is outperforming the NX500 at low queue depth is due to firmware. The BPX is running on earlier firmware (2.1) that allocates more of the drives flash array for SLC cache. Phison 4.x series firmware allocates much less of the drives flash array for SLC cache.

When we hit QD8, the NX500 overtakes the BPX and doesn't look back. At QD16, the NX500 overtakes the rest of the drives in our test pool and holds that advantage on through to QD64. We place a greater importance on performance at low queue depths. Intel's 800GB 750 series delivers the best low queue depth performance of the bunch.

Last updated: Nov 15, 2019 at 01:16 pm CST

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ABOUT THE AUTHOR -

Jon became a computer enthusiast when Windows XP launched. He was into water cooling and benching ATI video cards with modded drivers. Jon has been building computers for others for more than 10 years. Jon became a storage enthusiast the day he first booted an Intel X25-M G1 80GB SSD. Look for Jon to bring consumer SSD reviews into the spotlight.

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