The SSD Anthology: Understanding SSDs and New Drives from OCZ
by Anand Lal Shimpi on March 18, 2009 12:00 AM EST- Posted in
- Storage
OCZ Sends Me SSDs, Once More
As I mentioned before, after the X25-M article I was somewhat blacklisted from getting more SSDs to test. Since the Core V2, I hadn’t tested a single SSD from OCZ or anyone else for that matter. Everything on the market was either based on Samsung’s SLC drive, JMicron MLC or the Intel X25 series.
Needless to say, I was excited when I got a box from OCZ.
I got the drives early in the morning. Excited, I opened them up. Inside the box were three drives. The OCZ Apex (I’d never reviewed it, and OCZ reluctantly sent another JMicron drive to me), the Vertex and the Summit.
The Summit was based on Samsung’s latest MLC SSD controller, which I’d heard great things about. It’s supposed to compete with Intel’s drive.
The Vertex is the drive I was most interested in. A value SSD that didn’t suck, or at least that’s what it seemed to be on paper. Ryan even left me a little note on the box:
O RLY?
It’s worth noting that although other SSD makers will be making drives based on the Indilinx and Samsung controllers, OCZ was the first to get me drives based on both of these controllers. In fact, I was done testing the OCZ Summit based on Samsung’s latest controller before Samsung ever offered to ship me the drive.
I pushed the Apex and Summit drives aside for now. What I wanted to know was how the Vertex performed.
I cloned my system drive and used the Vertex in my personal machine. As soon as I hit the desktop I knew there was a problem; all of my icons took longer than they should’ve to load. It took about 30 minutes of actual usage for the drive to stutter and within a couple of hours performance got so unbearable that I had to pull it out.
Sigh, the Vertex was broken.
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Luddite - Friday, March 20, 2009 - link
So even with the TRIM command, when working with large files, say, in photoshop and saving multiple layers, the performance will stil drop off?proviewIT - Thursday, March 19, 2009 - link
I bought a Vertex 120GB and it is NOT working on my Nvidia chipsets motherboard. Anyone met the same problem? I tried intel chipsets motherboard and seems ok.I used HDtach to test the read/write performance 4 days ago, wow, it was amazing. 160MB/s in write. But today I felt it slower and used HDtach to test again, it downs to single digit MB per second. Can I recover it or I need to return it?
kmmatney - Thursday, March 19, 2009 - link
Based on the results and price, I would say that the OCZ Vertex deserves a Editor's choice of some sort (Gold, Silver)...Tattered87 - Thursday, March 19, 2009 - link
While I must admit I skipped over some of the more technical bits where SSD was explained in detail, I read the summaries and I've gotta admit this article was extremely helpful. I've been wanting to get one of these for a long time now but they've seemed too infantile in technological terms to put such a hefty investment in, until now.After reading about OCZ's response to you and how they've stepped it up and are willing to cut unimportant statistics in favor of lower latencies, I actually decided to purchase one myself. Figured I might as well show my appreciation to OCZ by grabbing up a 60GB SSD, not to mention it looks like it's by far the best purchase I can make SSD-wise for $200.
Thanks for the awesome article, was a fun read, that's for sure.
bsoft16384 - Thursday, March 19, 2009 - link
Anand, I don't want to sound too negative in my comments. While I wouldn't call them unusable, there's no doubt that the random write performance of the JMicron SSDs sucks. I'm glad that you're actually running random I/O tests when so many other websites just run HDTune and call it a day.That X25-M for $340 is looking mighty tempting, though.
MrSpadge - Thursday, March 19, 2009 - link
Hi,first: great article, thanks to Anand and OCZ!
Something crossed my mind when I saw the firmware-based trade-off between random writes and sequential transfer rates: couldn't that be adjusted dynamically to get the best of both worlds? Default to the current behaviour but switch into something resembling te old one when extensive sequential transfers are detected?
Of course this neccesiates that the processor would be able to handle additional load and that the firmware changes don't involve permanent changes in the organization of the data.
Maybe the OCZ-Team already thought about this and maybe nobody's going to read this post, buried deep within the comments..
MrS
Per Hansson - Thursday, March 19, 2009 - link
Great work on the review AnandI really enjoyed reading it and learning from it
Will there be any tests of the old timers like Mtron etc?
tomoyo - Thursday, March 19, 2009 - link
That was kind of strange to me too. But I assume Anand really means the desktop market, not the server storage/business market. Since it's highly doubtful that the general consumer will spend many times as much money for 15k SAS drives.Gary Key - Thursday, March 19, 2009 - link
The intent was based it being the fastest for a consumer based desktop drive, the text has been updated to reflect that fact.tomoyo - Thursday, March 19, 2009 - link
I've always been someone who wants real clarify and truth to the information on the internet. That's a problem because probably 90% of things are not. But Anand is one man I feel a lot of trust for because of great and complete articles such as this. This is truly the first time that I feel like I really understand what goes into ssd performance and why it can be good or bad. Thank you so much for being the most inciteful voice in the hardware community. And keep fighting those damn manufacturers who are scared of the facts getting in the way of their 200MB/s marketing bs.