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Phison E12 NVMe PCIe Gen3 x4 Controller Preview

By Jon Coulter from Jun 4, 2018 @ 11:10 CDT

Final Thoughts


Phison's E12 controller delivers the goods in a big way. Even with our abbreviated testing, the E12 powered SSD we tested managed to break several lab records. This bodes well for Phison who is looking to unleash their latest and greatest upon the masses in the near future.




We are most impressed with how the E12 engineering sample we tested outperforms Samsung's 970 EVO, SanDisk Extreme Pro and Plextor's M9PeY when running applications as demonstrated by our SYSmark test results. This is impressive and solidifies our opinion that Phison E12 powered SSDs will be true contenders for the TLC performance crown.


User experience is what matters most, and we can testify that the Phison E12 engineering sample that we were provided delivers a user experience that is as good as it gets for a flash-based SSD. It handled everything we threw at it without skipping a beat. We experienced lightning quick boots, instant response and superior multitasking performance when running the drive as our system disk. In-fact, we plan on keeping the E12 as our system disk - it's that good.


The only gripe we have is the same one we've had since Phison's E7 controller first appeared on the scene over two years ago - no proprietary NVMe driver. Performance could be significantly better with an alternative to the Windows in-box NVMe driver. Additionally, Windows 7 users would be able to enjoy E12 powered SSDs running at their full potential.



TweakTown has been working behind the scenes with Phison providing feedback on different firmware revisions and how they perform. We want to thank Phison for providing us the opportunity to be first to publish benchmarks with their potent E12 controller.


No TweakTown SSD review would be complete without at least a couple Maxed-Out-Performance benchmarks to cap it off:






Absolutely stunning write performance. It's the best we've seen from any SSD including Optane.


Because this is a performance preview, we do not handout an award. We will save that for retail E12 powered products coming down the pike. Although we will not be handing out an award at this point, we will give Phison's next-gen E12 controller a hearty TweakTown recommendation.




  • Write performance
  • Application Performance




  • No Proprietary Driver

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