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Windows 7: Show us your SSD performance

07 Nov 2010   #811

Windows 7 Ultimate x64 SP1

Don't think it is from any external interfering, but same here - I haven't seen an answer as to why it's like that so it's just speculation. I've done different tests on mine with most everything stopped, still the same, and every shot of someone elses I've seen is almost an identical pattern, or very similar.

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07 Nov 2010   #812

Microsoft Community Contributor Award Recipient

Windows 7 Ult x64 - SP1/ Windows 8 Pro x64

Quote   Quote: Originally Posted by essenbe View Post
I hope I am posting in the correct forum. I am relatively new to the forum and brand new to ssd's. I posted yesterday and recieved some suggestions which I did most of them. I did not update the latest firmware because the moderator of the OCZ forum said that the new firmware "upsets windows 7" and that he recommended using the new firmware on a second drive only. I installed the new vertex 2 on Friday. All other drives were disconnected. I used Barefoot Kids tutorial (except for the clean all cmd). Based on the suggestions from yesterday, I have confirmed that trim is enabled and that the drive is aligned at 64. here are the several tests I have run:

Most of the tests are quite low. However, I know the WEI is not a very reliable tool, however I ran it and got this

whish is not so bad. I also tan the smart test from the OCZ tool box and received these results. I don't know what they mean but others here probably do.

I am open to any suggestions, but be reminded that I know nothing about SSD's or how to update firmware or if I am supposed to do anythin with trim or if windows does it itself. Any help would be appreciated. Thanks in advance
Your access times are low.

Check for chipset driver updates, set your Power Options to High Performance.

Is your SSD Write caching enabled?

Have you seen this OCZ forum thread:
OCZ Sandforce (Agility2/Vertex2) expected Benchmarks and General Info

From the second post:

Here is the thing, if you hammer the driver with say enough writes that the drive would under normal use/see in 7 days within a few hrs, the drive will slow down for 7 days, maybe longer. It does this to protect the nand life. So your guys seeing a 50% drop may actually see 30% which is the normal drop, then a further 20% because at some stage they have hammered the drive and then not realised its going to take 5 days or longer for the speed to creep back up. Also remember this write quantity slowdown is further impacted by how you use the drive after you have hammered it.

So take this as an example:

1 you run a few benches and fill the drive with incompressible data, do this a few times

2 you run As-SSD a few times and on each run the performance drops lower and lower.

3 you panic thinking the drive is broke

4 you then note its just slowed down quite a bit so continue benching to see if it has started to speed up

5 this benching is actually delaying the drive recovering
6 you note the drive has stayed dog continue with 4 to 6 AS-SSd runs per day hoping or looking for a drive speed increase

7 the drive stays dog slow

8 you post on the forum that the drive is somehow broken

What you see here is an end user actually inducing the slowdown and not allowing the drive to recover...and its really very easy for this to happen.
SF have told me a drive with incompressible data will bench sequentially a LOT SLOWER than a drive with a mix or more compressible just by using AS-SSD you are actually limiting the drives speed.Also speed is directly linked to what has been written to the drive and what is being written. This seem linked to TRIM speed also where GC reallocates blocks that have had compressible data written to them faster than blocks with incompressible data.

Maybe you should wait a week before trying the AS SSD benchmark again.
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07 Nov 2010   #813

Windows 7 Ultimate (x64) SP1

Good post Dave...thanks
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09 Nov 2010   #814

Windows 7 Pro 64 bit
tw33k SSD s Slowing down ?

I read the article . It's old news the new G2 models don't have that problem , In fact with the Intel Tool Box ,You can clean your drive everyday if you want.
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09 Nov 2010   #815

Windows 7 Pro 64 bit

This what Intel has to say about it. File.doc, Read word Doc.

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10 Nov 2010   #816

Microsoft Community Contributor Award Recipient

Windows 7 Ult x64 - SP1/ Windows 8 Pro x64

Please don't link direct download files.

Link the site that has the download file link.

It will give everyone the chance to see the source.
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10 Nov 2010   #817

Windows 7 Professinal x64

had the drive for about a year and the controller said it has written 3 terabytes so far. no drop in performance since I bought it. not the best but it loads Call Of Duty maps like crazy, I have to wait at least 15 seconds for a game to start and it beats all my buddies raids set ups.
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11 Nov 2010   #818

7 Pro 64 Bit

Here's my score. I do not have AHCI capability on my chipset (ICH7) and I'm trying to get the drive out to take to work to update the firmware...but, still not too shabby.
Thank you to all who've helped me with being green on SSDs, I now find myself trying to figure out why my work PC is so much slower than my home PC...

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14 Nov 2010   #819


OCZ Vertex2 120GB:

Show us your SSD performance-hd-ocz.jpg Show us your SSD performance-hd-ssd-mbs.jpg Show us your SSD performance-hd-ssd-iops.jpg

Figures look to be in the ballpark as others.

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14 Nov 2010   #820

7 Pro 64 Bit

smarty, did you test it before with 1.11 firmware? Any improvements with 1.23?
I'm wondering if it's worth my hassle to upgrade to 1.23...thx.
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