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Kingston V Series SSD Issues

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XubX

Junior Member
Hey guys,

I just installed my first ever SSD "Kingston 64GB V Series SSDNOW" and the improvement is just marginal over my WD Cavier Green 1TB.

System Specs:

Core i5 750 @ 3.7 GHz
4gb Corsair DDR3
Kingston 64GB V Series SSDNOW
1TB Cavier Green WD10EARS
Radeon 5850 1GB
Hyper Type R 580W PSU

Well i did a few benchmarks and something seems very fishy. please refer to the following screenshots. Also AHCI is enabled in bios. I installed Intel Matrix Storage software which made no difference really. Anyone who can shed some light on my issue, i would be greatful.


 
XubX said:
Hey guys,

I just installed my first ever SSD "Kingston 64GB V Series SSDNOW" and the improvement is just marginal over my WD Cavier Green 1TB.

System Specs:

Core i5 750 @ 3.7 GHz
4gb Corsair DDR3
Kingston 64GB V Series SSDNOW
1TB Cavier Green WD10EARS
Radeon 5850 1GB
Hyper Type R 580W PSU

Well i did a few benchmarks and something seems very fishy. please refer to the following screenshots. Also AHCI is enabled in bios. I installed Intel Matrix Storage software which made no difference really. Anyone who can shed some light on my issue, i would be greatful.


Click to expand...

Is it a new one? Which controller does it use.

Kingston 64GB V Series SSDNOW != Kingston 64GB V Series SSDNOW

The new version has a toshiba controller which should preform somewhat acceptable but still is on the slow side for ssd's.
But there is also an older version of "Kingston 64GB V Series SSDNOW" which used a modifed JMicron controller which sucks rather badly.

The new one (=better) has part number: SNV425-S2/64GB

Teh old one(=sucks) I think is: SNV125-S2BN/64GB
 
There are three iterations of this, i'm not quite familiar with the other two but from what i've read the 1 series uses the old stuttering JMicron controller. The 3 series may be the toshiba mentioned above.

The 4 series, which i also have in the same size, is the newer JMicron controller. I haven't benched it but just comparing your Windows index to mine, something is definitely amiss -- mine is rated 6.8 as far as that goes.

Just seat of the pants feel, this SSD feels much better than the 640gb Caviar Black it replaced. Everything about SSD's is as advertised, quick boots, snappy app launch (even multiple app launching is a hoot), and some disk-read intensive apps like my photo processing app is now a joy to use.

For the record, i have it set on IDE, not AHCI since this Kingston supposedly doesn't have NCQ -- which is one of the two big things going for the AHCI mode. That, and hot-swap, which i don't need.
 
SNV125-S2BD/64GB

well thats the part no that i have. i guess its the old one but come on it cant be that bad. it should still get a 6.5+ WEI. my cavier green does 5.9. i use windows 7 x64 btw. i wonder whats wrong in my setup
 
From that firmware revision, it is the Toshiba fixed version of the 'broken' Jmicron controller. I owned several of these and was VERY happy with them in laptops. Your sequential writes is about half what it should be. Try running AS SSD in safe mode if there's a big difference. And yes the 4K write tests for this drive is agonizing and I don't recommend running them. If you want to see 4k write tests, try CrystalMark. You'll get results faster.
 
Well here is my crystalmark benchmark.



i will just try in safe mode now and get back to u guys
 
We can't compare the results since CrystalMark was run with different parameters. Safe mode was 1 repeat at 50mb while regular windows was 5 repeats at 1000mb. Speeds will be slower as the size goes up. Try it again with 3 repeats at 100mb.

Regardless, your safe mode results at 50mb are what you should be getting.
 
yeah i guess but my results are nowhere near the benchmarks from reviews of the same model number all over the web. something is wrong with my write speed tests. Also when i run hdtune it says writing is disabled and refuse to run the write test
 
Is it a new drive? Or a used one like from ebay?

Safe mode = less apps and services running.

Looks likes you have at least one app/service that does tons of writing which would explain
the poor results. Or ist just the damn controller. The more you have running, the more problems you get. That would also explain why others were happy with the drive.
Depends what software is running.

Anyway i would have buyed a different drive. Not the best one.
 
XubX said:
yeah i guess but my results are nowhere near the benchmarks from reviews of the same model number all over the web. something is wrong with my write speed tests. Also when i run hdtune it says writing is disabled and refuse to run the write test
Click to expand...

It is normal for hdtune to disable writing if it's the OS drive. hdtune will overwrite your current data. Also *I think* only the non-free or pro version of hdtune allows writes tests. Other things to check:

1) Power management settting should be at 'high perfomance' when in regular windows, this affects sequential benches in laptops, maybe desktops too.
2) If you're brave or like to solve problems that you cause 🙂 , completely uninstall your drive controller drivers and go back to the stock MS ones. Do the regular things 1st. The usual uninstaller, then in device manager, rollback. After rolling back run pnputil -e to list remaining drivers installed. Look for the drive controller driver name like: oem*.inf and uninstall with pnputil -f -d oem[the number].inf.
 
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