Exchange 2013 Hardware Setup

So recently my Exchange has been showing performance alerts on the CPU side and I thought it is time to migrate the setup to a more "beefy" server.

Currently it's running on the following:
Intel Xeon X3460 2.80GHz
32GB RAM
Intel RS2BL080 RAID Controller:
  • 2x 500GB SATA RAID 1(OS & pagefile)
  • 2x 1TB SATA RAID 1 (log files)
  • 5x 600GB SAS RAID 10 (edb)

Want to move it to this:
2x Intel Xeon E5520 2.27GHz
48GB RAM
Intel RS2BL080 RAID Controller:
  • 6x 600GB SAS
  • 8x 300GB SAS
My thoughts are 6x 600GB SAS RAID 10 for the EDB, 2x 300GB SAS RAID 1 for OS, 2x 300GB SAS RAID 1 for Pagefile, 2x 300GB SAS RAID 1 for Logs.
OR
2x 1TB SATA RAID 1 split for OS and pagefile (800GB for OS, 200GB for pagefile), 2x 500GB SATA RAID 1 for Logs, 8x 300GB SAS RAID 10 for EDB

Our EDB is around 401GB, it's a single server setup, no budget for any additional hardware which also explains the out dated hardware. Sadly that won't be changing anytime soon.

What do you guys think?
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DJMohrAsked:
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AkhaterCommented:
There is no one right answer but I would stick to your first setup with one change (Transport queue)

 6x 600GB SAS RAID 10 for the EDB, will give you great speed and a lot of room for expansion

2x 300GB SAS RAID 1 for OS

2x 300GB SAS RAID 1 for Pagefile / transport queue

2x 300GB SAS RAID 1 for Logs.
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DJMohrAuthor Commented:
Have the transport queue and pagefile on the same array or choose between the two?

And on that note, is there a performance benefit to having the transport queue on its own array?
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AkhaterCommented:
I wouldn't worry about having the paging file and the queue on the same drive and yes it is recommended to have the queue on it's own disk
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DJMohrAuthor Commented:
Thank you, will setup as suggested.
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