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Windows 7: align-1024 or align=4096 for SSD using Diskpart?

03 Jan 2014   #1
Tango1

windows7 64-bit
 
 
align-1024 or align=4096 for SSD using Diskpart?




Which is best for correct alignment for my Samsung 840 EVO SSD ?

Create partition primary align=1024
or
Create partition primary align=4096

I read Diskpart uses kiloBytes.
And when they talk about 4k advanced format it means 4096 Bytes not kilobytes
Am I right?

So I'm a bit confused.Why do so many people say use "
Create partition primary align=1024" and another great deal of people say "Create partition primary align=4096" which would be 4 megabytes for SSD's?



My System SpecsSystem Spec
.
03 Jan 2014   #2
derekimo

Microsoft Community Contributor Award Recipient

 
 

Have a look at this,

SSD Alignment

As long as it's divisible by 4 you'll be alright.

1024 is the most common I see here.
My System SpecsSystem Spec
03 Jan 2014   #3
AddRAM

Windows 7 Pro x64 Windows 10 Pro x64
 
 

1024

Why use more than 1024 ? There`s no reason to.
My System SpecsSystem Spec
.

04 Jan 2014   #4
OldMX

Microsoft Windows 10 Professional
 
 

Align to 4096 is a myth that some guy started in Overclock.net forums a while ago, pure BS in my opinion, but he retracted after too many other users started questioning him about.
My System SpecsSystem Spec
04 Jan 2014   #5
AddRAM

Windows 7 Pro x64 Windows 10 Pro x64
 
 

Exactly, why take more space from your ssd then you need, I don`t care how small the amount.
My System SpecsSystem Spec
14 Jan 2014   #6
Tango1

windows7 64-bit
 
 

I thought alignment was for every block. Seems it is only for the first block I think. So yeah 4096 would be overkill. Funny though I thought all SSD's were 4k native. When I query my drive using nfsutil it says my Samung EvO is 512bytes physical AND logical.. Not 4k native. I;m confused. Or I might have the windows 4 k driver update not installed. How can I find out?
My System SpecsSystem Spec
14 Jan 2014   #7
AddRAM

Windows 7 Pro x64 Windows 10 Pro x64
 
 

Can you run the Diskpart commands and post a shot of command prompt ?
My System SpecsSystem Spec
17 Jan 2014   #8
Tango1

windows7 64-bit
 
 

My System SpecsSystem Spec
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 align-1024 or align=4096 for SSD using Diskpart?




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