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Written by Olin Coles   
Tuesday, 30 March 2010
Table of Contents: Page Index
ADATA S599 SSD AS599S-128GM-C
Features and Specifications
First Look: ADATA S599
SandForce SF-1200 SSD Controller
SSD Testing Methodology
AS-SSD Benchmark
ATTO Disk Benchmark
Iometer IOPS Performance
EVEREST Disk Benchmark
CrystalDiskMark Tests
SSD vs Hard Disk Drive
ADATA AS599S-128GM-C Conclusion

EVEREST Disk Benchmark

Many enthusiasts are familiar with the Lavalys EVEREST benchmark suite, but very few are aware of the Disk Benchmark tool available inside the program. The EVEREST Disk Benchmark performs linear read and write bandwidth tests on each drive, and can be configured to use file chunk sizes up to 1MB (which speeds up testing and minimizes jitter in the waveform). Because of the full sector-by-sector nature of linear testing, Benchmark Reviews endorses this method for testing SSD products, as detailed in our Solid State Drive Benchmark Performance Testing article. However, Hard Disk Drive products suffer a lower average bandwidth as the capacity draws linear read/write speed down into the inner-portion of the disk platter. EVEREST Disk Benchmark does not require a partition to be present for testing, so all of our benchmarks are completed prior to drive formatting.

The high-performance storage products tested with EVEREST Disk Benchmark are connected to the Gigabyte GA-X58A-UD7 motherboard. Using the 1MB block size, read performance of the 100GB ADATA S599 Solid State Drive measured an average 256.8 MBps with a similar maximum peak of 259.8 MBps. Linear write-to tests were next...

ADATA-S599-100GB-SandForce-SSD-Everest-Read.png

Linear disk benchmarks are superior tools in my opinion, because they scan from the first physical sector to the last. A side affect of many linear write-performance test tools is that the data is erased as it writes to every sector on the drive. Normally this isn't an issue, but it has been shown that partition table alignment will occasionally play a role in overall SSD performance (HDDs don't suffer this problem).

The waveform chart below illustrates how the integrated buffer manages file transfers, and makes linear write performance appear even yet unsteady. The results seen here are still relatively consistent compared to most other SSD products we've tested in the past. The ADATA S599 recorded an average linear write-to speed of 249.3 MBps, with a maximum performance of 254.7 MBps.

ADATA-S599-100GB-SandForce-SSD-Everest-Write.png

The chart below shows the average linear read and write bandwidth speeds for a cross-section of SATA storage devices tested with EVEREST:

EVEREST-Disk-Benchmark_Results.png

Linear bandwidth certainly benefits the Solid State Drive, since there's very little fluctuation in transfer speed. Hard Disk Drive products decline in performance as the spindle reaches the inner-most sectors on the magnetic platter. I personally consider linear tests to be the single most important comparison of storage drive products, although hard disk drive products decrease performance as they reach the edge of the spindle, SSD products operate at a relatively smooth speed from start to finish.

Drive Hardware

In the next section, Benchmark Reviews tests sequential performance using the CrystalDiskMark software tool...



 

Comments 

 
# I fail to see the subject under test in most of the chartsGreg 2010-03-30 16:21
Maybe the wrong charts were published.
Out of the 13 SSDs in the charts, none is the ADATA S599.
What gives?
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# The ADATA S599 is in the charts.Olin Coles 2010-03-30 17:07
I don't know what you're referring to, but the charts include the ADATA S599 SSD test results.
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# RE: The ADATA S599 is in the charts.Stas 2010-03-30 23:24
In CrystalDiskMark Tests too?
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# Read the article...Olin Coles 2010-03-31 06:46
If you actually READ THE ARTICLE, you'll notice the lengthy explanations for these two tests.
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# Updated Test ResultsOlin Coles 2010-04-21 16:01
The AS-SSD Benchmark and CrystalDiskMark 3.0 results have been updated, and comparison charts are now included. The new data reflects test results with 4K IOPS performance in mind. I have also removed HD-Tune entirely, since we've discovered that the random IOPS portion of this tool is not useful for SSDs.
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# RE: ADATA S599 SandForce SF-1200 SSDJustin 2010-03-31 04:54
The Crystal DiskMark and the HDTune Random IOPS charts are missing the ADATA S599.
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# re: ADATA S599 SSDLogan 2010-03-31 11:22
Oi Olin!

You ARE missing the ADATA S599 from the DiskMark AND the HDTune IOPS charts.

I read your article and it was ok but you really have to make sure that all tested items are on the charts if you expect consumers to make informed choices... I'm sure that ADATA would appreciate that most of all because at least on paper, they seem to have a smoking fast product.

Cheers..
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# RE: re: ADATA S599 SSDOlin Coles 2010-03-31 11:28
If you had read the article, you'd know that these two tests produced abnormal results. I explain this in full detail, and also reveal all of my results.
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# Intel ...Christopher27 2010-04-01 03:52
Intel has TRIM (and I suppose X-25E serie has GC also).
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# Sector alignment issuesAllan Stirling 2010-04-01 07:12
HDDs can suffer from sector misalignment as well. ##g-loaded.eu/2010/03/29/partition-misalignment-slows-4096-byte-sector-hard-drives/
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# RE: ADATA S599 SandForce SF-1200 SSDBen 2010-04-06 04:56
Although the details are listed, the missing chart information is misleading to people who just scan through the article. I suggest you publish all of your data in the chart with a footnote stating "abnormal results". Thanks for including it in the written review, but it would be eye-opening to see it compared instead of just referred to.
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# Which storage controller was used?gaspard leon 2010-06-21 07:25
In the "Test System" section it says: "Storage HBA: Integrated Marvell SE9128 3rd-Generation SATA-6.0Gbps Controller"

But in the tests it says the ICH10 was used... which is it?

This makes quite a difference... Also if you want to get the least lag, you need an H55 or P55 based board, the storage controller on those is really quick
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# RE: Which storage controller was used?Olin Coles 2010-06-21 07:29
ICH10 is used on SATA-3GB SSDs, and the Marvell SE9128 is used on SATA-6GB SSDs (currently only Crucial C300).

As for the H/P55 platform having less 'lag' than X58, you are basing this on what evidence? I'm disregarding this remark, since I've tested on both.
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# thanks for the quick replygaspard leon 2010-06-21 18:56
Yeah that makes sense, so only the Crucial was on the Marvell.

Re H/P55 I have not done a lot of checks but I noticed a little bit faster access times, and slightly higher scores under AS SSD Benchmark, which I attribute to the H/P55 design being newer, and not a "Separate" chip, since the north and south bridge are both in the one chip, so the latency is a litttle lower...

Overall the difference between ICH10R and 55 series is fairly slight, just thought you should know that it's probably the best platform I've seen so far for SSD latency.

You can disregard this if you like, just trying to keep up awareness of different platforms
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# iometer resultsChristian 2011-01-24 02:17
guys, i'm not able to reproduce your scores, can you send me your iometer's config. file? this will be very appreciated ... :)
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# RE: iometer resultsOlin Coles 2011-01-24 09:40
Sure thing! I've emailed you our Iometer configuration file. Make sure that you use the same version as we did in our article for best results.
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# Thanks!!!Christian 2011-01-24 09:55
Thanks mate! i'll try it soon ...
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# RE: ADATA S599 SSD AS599S-128GM-CAMOCO 2011-07-05 22:30
So I sent Adata an email about firmware updates:
Me;So,When is the new updated firmware for this drive coming out?I've and others
have been waiting months for it.As the 3.4.6 firmware has heat issues.

Adata;The firmware updates are released by Sandforce and we have not gotten any update on new firmware. However, if you are experiencing issues please let us know we can replace for a new S599, or exchange for S596 Turbo.

So what gives?Is there an update for this drive other than 3.4.6?
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