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Windows 7: Show us your SSD performance

23 Nov 2011   #2341
Hopalong X

Windows7 Pro 64bit SP-1; Windows XP Pro 32bit
 
 

Quote   Quote: Originally Posted by Dave76 View Post
Quote   Quote: Originally Posted by Brittas View Post
I got snipper tool just had pic on camera. I was at work.
The only worry is that SSD's dont last that long.I better back some stuff up (game wise)
The rumors that SSDs don't last long were exaggerated.

SSD Write Endurance 25nm Vs 34nm


The SSds are being written to as fast as possible to get actual life expectancy data.

They are lasting a very long time, much longer than the manufactures stated amount of writes.

At these amounts, an SSD will last a average user 10-20 years or more.
The Crucial m4 wrote over 800TB before it quit working.
This is what Britta is using.
That should be a good system for them.

m4 became undetectable on multiple mother boards.
Cause of failure of the m4 was inconclusive.
Internal electronic part failure. As simple as a capacitor or resistor.
The controller could have failed.

NAND did not wear out from bad sectors/blocks etc.
RAS- 00 Reallocated sectors. None.

B.A.T. Post #2528 > http://www.xtremesystems.org/forums/...s-34nm/page102
Quote:
This was my last result update.
m4
768.5687 TiB
2749 hours
Avg speed 88.43 MiB/s.
AD gone from 171 to 169.
P/E 13330.
Value 01 (raw read error rate) has changed from 43 to 46.
MD5 OK.
Reallocated sectors : 00

The M4 passed MWI-1 at 170.8 TiB.

There were no problems before I turned my rig off the 28th oct. It just didn't like 9 days without power.



My System SpecsSystem Spec
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24 Nov 2011   #2342
Devilz

Windows 8.1 - 64 Bit
 
 

Received my OCZ Vertex 2 SATA II SSD today, did clean installation of windows. Downloaded and executed benchmark and here is the result



something doesn't seem right, the result is quite low compared to what says on the box - Read 285 MB/s Write 275MB/s
My System SpecsSystem Spec
24 Nov 2011   #2343
essenbe

Windows 7 Enterprise X64/Windows 10 Enterprise X64/Windows 10 Pro X64/Linux Mint
 
 

Quote   Quote: Originally Posted by Devilz View Post
Received my OCZ Vertex 2 SATA II SSD today, did clean installation of windows. Downloaded and executed benchmark and here is the result
something doesn't seem right, the result is quite low compared to what says on the box - Read 285 MB/s Write 275MB/s
I hate to be the bearer of bad news, but.. You are in IDE mode. You need to be in AHCI mode. This tutorial on how to change to AHCI will show you how to do it.
My System SpecsSystem Spec
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24 Nov 2011   #2344
A Guy

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1
 
 

Essenbe beat me to it, but he is correct.

SSD Alignment

You can enable ACHI after installation:

AHCI : Enable in Windows 7 / Vista

A Guy


Ooops, I see he has edited his post and added the tute
My System SpecsSystem Spec
24 Nov 2011   #2345
carwiz

Windows 7 Pro-x64
 
 

Never mind. I was watching a movie.

Everybody beat me to it.
My System SpecsSystem Spec
24 Nov 2011   #2346
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

The guys are right - you will get better nums in AHCI mode. That, however, may not translate into a big difference in real (OS) life. Just to warn you in case your performance does not change significantly and you wonder why. Reason is because the access time is not going to change.
My System SpecsSystem Spec
24 Nov 2011   #2347
carwiz

Windows 7 Pro-x64
 
 

I'm pretty sure it will increase significantly. The access time shown is a measurement of how long it takes to address the first block. After that, sequential transfers are measured in nano-seconds. The OS makes frequent use of sequential reads and writes, especially when loading programs or paging memory. The limitation will fall on SATAII.
My System SpecsSystem Spec
24 Nov 2011   #2348
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Quote   Quote: Originally Posted by carwiz View Post
I'm pretty sure it will increase significantly. The access time shown is a measurement of how long it takes to address the first block. After that, sequential transfers are measured in nano-seconds. The OS makes frequent use of sequential reads and writes, especially when loading programs or paging memory. The limitation will fall on SATAII.
The theory is right. But in practice we are talking about very little data that the OS manipulates at each time - and that mostly in 4K blocks. So the real impact of a slow data transfer speed should be minimal.
My System SpecsSystem Spec
24 Nov 2011   #2349
carwiz

Windows 7 Pro-x64
 
 

Quote:
So the real impact of a slow data transfer speed should be minimal.
If that were the case, there would be no reason to use a SSD. Are you saying we should all go back to IDE drives because there's no benefit to SATA? Sorry, but I disagree.
My System SpecsSystem Spec
25 Nov 2011   #2350
Dave76

Microsoft Community Contributor Award Recipient

Windows 7 Ult x64 - SP1/ Windows 8 Pro x64
 
 

Quote   Quote: Originally Posted by Devilz View Post
Received my OCZ Vertex 2 SATA II SSD today, did clean installation of windows. Downloaded and executed benchmark and here is the result



something doesn't seem right, the result is quite low compared to what says on the box - Read 285 MB/s Write 275MB/s
I agree there is a benefit when using AHCI or RAID (same benefit for both, they are basically the same).

The red font letters "pciide - BAD" indicates you are in IDE mode, as already mentioned.

The "BAD" indicates your SSD is not correctly aligned, this will cause poor performance.

The best way to ensure proper alignment is to point the Windows 7 installer to a unformatted SSD, it will align and format the drive for you.
Cloning or using a backup from a HDD will not have the right alignment.

Here is a good tutorial that will help you with alignment.
SSD Alignment
My System SpecsSystem Spec
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