ADATA XPG SX930 (120GB, 240GB & 480GB) SSD Review: JMicron JMF670H Debuts
by Kristian Vättö on July 16, 2015 10:00 AM ESTAnandTech Storage Bench - The Destroyer
The Destroyer has been an essential part of our SSD test suite for nearly two years now. It was crafted to provide a benchmark for very IO intensive workloads, which is where you most often notice the difference between drives. It's not necessarily the most relevant test to an average user, but for anyone with a heavier IO workload The Destroyer should do a good job at characterizing performance. For full details of this test, please refer to this article.
The SX930 doesn't perform too well in our The Destroyer trace. If this was a value-oriented drive, I would say the performance is decent, but any drive that is focusing on the higher-end segment should outperform the BX100 and 850 EVO to have any chance of being competitive.
The number of high latency IOs isn't particularly large, but again the SX930 is only competitive against the value drives.
Power consumption is fairly average for the 480GB model, but the 240GB consumes substantially more due to its lower performance.
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sonny73n - Sunday, July 19, 2015 - link
Oh really? Was it another firmware update for the 840EVO? When? I just threw my 840EVO out about 5 days ago after 2 firmware updates this year which did not fix the problem. The last update I had, Samsung had some kind of optimization in "Magician" (lmao) by moving all the old data to new blocks. Yeah ok, I had that 250GB EVO filled with about 190GB. It took like forever to finish and the optimization had to be run frequently in order to keep the 840EVO runs near advertised specs."Vitriol" or whatever, I would take any SSD with JMicron controller over the 840EVO in a heart beat. At least I wouldn't feel like being cheated out of paying for something that it's clearly NOT!
I'm thinking anyone that purchased the 840EVO should get together and file a class action lawsuit on Samsung for faulty advertising, consumer fraud or something like that.
voicequal - Monday, July 20, 2015 - link
Can you get a replacement under warranty?Oxford Guy - Sunday, July 19, 2015 - link
"Samsung has made 1 slip-up that was fixed with a firmware update."False. The 840 and 840 EVO drives reportedly have a permanent TLC-caused flaw. The only thing Samsung has managed to do, last I heard (and that was two "fixed" later) is re-write the data over and over again to paper over the problem.
The TLC is too weak to avoid voltage degradation so data needs to be rewritten to prevent massive slowdowns in read speed. I don't think Apple has ever bothered to release anything to fix the Samsung OEM drives they put their brand on either.
Oxford Guy - Sunday, July 19, 2015 - link
Interestingly, too, Apple decided to dump TLC, at least for its mobile line, sometime ago -- citing the inherent flaws. One could look at that move as being part of their feud with Samsung but I doubt that was the main motivation.zodiacfml - Sunday, July 19, 2015 - link
that's what truly happened. it only worked good when it was new.jabber - Monday, July 20, 2015 - link
Running SATA II? Buy the cheapest Kingston V300 as it will push 275MBps all day long.Running SATA III? Buy a BX100 and be done with it.
Saiyan32 - Sunday, November 27, 2016 - link
the firmware update really did the trick .. it has improved by a lot... I request anandtech to another review on this....