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Phison S10 Quad-Core Performance SSD Controller Preview

By: Chris Ramseyer | SSDs in Storage | Posted: Jul 31, 2014 3:28 pm



Version and / or Patch Used: 3.0 TP1




In CDM, we measured the sequential read performance at 553.4 MB/s and the sequential write at 531.3 MB/s.


The 4K performance came in at nearly 32 MB/s read and an even 143 MB/s write. The write speed is quite a bit higher than any mainstream SSD, AKA value class, on the market today.



Anvil Storage Utilities


Version and / or Patch Used: 1.1.0


0-Fill Compressible Data




Incompressible Data




In these two tests with Anvil Storage Utilities, we used compressible and incompressible data. The performance was nearly identical in both tests.


Here we also see the high queue depth IOPS performance. The QD16 4K read came out to nearly 88K read IOPS. The 4K writes came to nearly 89K IOPS - these are solid numbers for sure and very close to the limit of our motherboard.


One area Phison still has to work on is the QD1 random read performance, the S10 is a little slower than the S8 controller we tested on retail drives. Phison still has some time left before this product comes to market, but this is a really good start this early in development.





Read Disk Latency




One area where we always run into trouble with value based SSDs is latency. Here we see the Phison S10 holding the latency line steady, even after the drive was preconditioned with a reasonable amount of sequential and random writes.


Write Disk Latency




Other than a single latency spike, the write latency was also very low and steady. Cache algorithms are difficult to tune, but Phison will get the spike taken care of before these hit retail.

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