Does extending a disk decrease performance?

Carl Dun

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Mar 16, 2015
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I just bought a 3TB Seagate Internal HDD and after I checked it on Disk Management, I found out that it was split into 2.2TB and 756GB. After researching, I learned that my HDD is MBR by default and can only contain 2.2TB at max.

I was fine with it since I thought I could just use the 2.2TB and 746GB so I partitioned my 2.2TB to 5 partitions:
1. 200GB - OS (I made it into 200GB since I'll transfer it onto an ssd after I save up to buy a 250GB Samsung 850 Evo)
2. 500GB - My Files
3. 500GB - Games
4. 500GB - Song & Music
5. 347GB - Development Programs

And when I right clicked the 746GB to create a simple volume (for my 2 brothers to dump their files into since they sometimes borrow my pc), all of its options are greyed out aside from the properties and help.

So what I did was searched a bit and found seagate's software that can extend the 746GB so I may use it. Now my question is, will this 746GB perform slower even by a tiny bit? Or will it function as my 2.2TB?
 
Hey there, Carl.

There shouldn't be any difference regarding the drive's performance. You could benchmark it now and after that to compare the results. I'd just recommend that you backup any important data which you might have before you try extending the partition, just to be on the safe side. The restriction is because you can't have more than 4 primary partitions and creating logical partition via extending another one is a way to bypass that. Take a look at this, it might prove useful (it's for Windows 7, but it should be the same for the newer versions as well): http://www.sevenforums.com/tutorials/146694-partition-extended-logical-drives.html

Please let me know how everything goes.
Boogieman_WD