Hardware for WSUS server

I need a new server that will be dedicated to WSUS updates.  I found these recommendations requirement from the Microsoft Website:
Disk requirements and recommendations
To install WSUS 3.0, the file system of the server must meet the following requirements:
" Both the system partition and the partition on which you install WSUS 3.0 must be formatted with the NTFS file system.
" A minimum of 1 GB of free space is recommended for the system partition.
" A minimum of 20 GB of free space is recommended for the volume where WSUS stores content; 30 GB of free space is recommended.
" A minimum of 2 GB of free space is recommended on the volume where WSUS Setup installs Windows® Internal Database.

I already have rack cabinet with plenty of space for another server.  What should I look for in terms of RAID levels?  Also, 30GB for storage seems low to me.  Would appreciate knowing what others are using for this task.  We are smallish (all Windows) network - about 80 machines in 5 offices within the same city/county.
TechSupCatAsked:
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jhyieslaConnect With a Mentor Commented:
Oh, I've also never used RAID on this server.  I figure if it fails, I can always reload the app and start over again with the downloads.  I wouldn't think it would be a major issue.  Of course now that I have it running from a SANS as a VM, that's not really an issue any more.
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jhyieslaCommented:
I'm still running WSUS 2.x so I suppose the requirements might be different.  But I've run that on an old server for ages without any difficulty and feed patches out to over 400 PCs.

My guess is that those recommendations are pretty close.  I finally moved mine to a Virtual machine, but I am running it with about 1 GB RAM and a 25 GB disk with 12 GB free space.
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TechSupCatAuthor Commented:
Thanks for taking time to answer me...you're the only one who did.
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