The Silicon Power P34A80 SSD Review: Phison E12 With Newer Firmware
by Billy Tallis on February 28, 2019 10:00 AM EST- Posted in
- SSDs
- Storage
- Toshiba
- Phison
- Silicon Power
- M.2
- NVMe
- 3D TLC
- PS5012-E12
AnandTech Storage Bench - Light
Our Light storage test has relatively more sequential accesses and lower queue depths than The Destroyer or the Heavy test, and it's by far the shortest test overall. It's based largely on applications that aren't highly dependent on storage performance, so this is a test more of application launch times and file load times. This test can be seen as the sum of all the little delays in daily usage, but with the idle times trimmed to 25ms it takes less than half an hour to run. Details of the Light test can be found here. As with the ATSB Heavy test, this test is run with the drive both freshly erased and empty, and after filling the drive with sequential writes.
The Silicon Power P34A80's newer firmware brings a slight performance regression on the Light test compared to the older Phison E12 firmware present on the Corsair MP510, but both drives are still in the second tier of performance. The performance when running the Light test on a full drive is lower than for most other high-end NVMe SSDs, but not crippled as for the ADATA SX8200 Pro and other SM2262EN drives.
The average and 99th percentile latency scores from the P34A80 on the Light test are excellent, with slightly larger disparities between full and empty drive performance than the top drives show, but no evidence of noticeable performance problems.
The average write latencies for the P34A80 are a few microseconds slower than for the fastest drives, but it still appears that almost all writes during the Light test land in the SLC cache and are unhindered by other operations in the drive's queue. The average read latencies are slightly slower than the top drives like the Samsung 970 EVO Plus, but the difference is imperceptible.
The 99th percentile read and write latencies for the P34A80 on the Light test are excellent. A few of the scores are numerically worse than the Corsair MP510 scored, but the differences are small enough to be insignificant.
The P34A80 once again requires a bit more energy than the Corsair MP510, but both Phison E12 drives are clearly more efficient under load than Samsung's drives or the older Phison E7 drive.
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stanleyipkiss - Thursday, February 28, 2019 - link
5 year warranty is pretty good for the price.XabanakFanatik - Friday, March 1, 2019 - link
Where did these mysterious benchmark results in the charts for the 970 PRO 1TB come from? There still hasn't been a review posted for it.IndianaKrom - Sunday, March 3, 2019 - link
I noticed that as well, and I actually have a 970 Pro / 1 TB. I got it a couple months before the 970 EVO Plus was announced and was kind of kicking myself for spending more on it figuring the EVO Plus was probably the same or better performance for less, but turns out the Pro still reigns supreme in everything but burst writes.Luckz - Wednesday, December 4, 2019 - link
Note that those are now likely made with E12S instead of E12, half the DRAM, and 96L instead of 64L flash, so performance will vary and be worse in some use cases than what is reviewed here.schevux - Monday, January 6, 2020 - link
Hey what do you mean by that ? How much the performance would change ? I am considering this over 970 evo by these benchmarks but if the performance would be worse i would go with 970 evo. Thanks.msroadkill612 - Monday, May 18, 2020 - link
Ta for the heads up. am now leery of SP. that stuff is not cricket (kosher).quakerj - Saturday, January 11, 2020 - link
I would get the 970 Evo. I ordered a 1TB P34A80 and received it today. It is nothing like what has been reviewed here. Flash chips have the marking "Unic2 UNN1TTE1B1JEA1." I think that's Chinese flash, Google isn't very helpful other than providing a link to Unic2 flash manufacturer, a Chinese website. Additionally my card contains Nanya DDR3 DRAM modules, not DDR4 like the reviewed model. Seems like a classic bait and switch. It's getting sent back to Amazon in a fast second, I would avoid like the plague.msroadkill612 - Monday, May 18, 2020 - link
I misposted this -Ta for the heads up. am now leery of SP. that stuff is not cricket (kosher).
i cant see why a noname cant do a decent e12 product, but not this thanks.
quakerj - Saturday, January 11, 2020 - link
For what it's worth, a major redesign warrants a new model number or revision suffix. If you go and buy this, it's not going to perform like the reviewed model, there are simply too many changes. It'll be a fast SSD no doubt, but I think SP pulled a fast one here and should be more transparent about the changes. They still advertise all these [original card] reviews on their website as though you're going to receive the same product. Just my humble opinion...Mueller - Wednesday, April 22, 2020 - link
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