We got our main machine May 2012 so it's fairly new. It's not a server but did cost $5k and seems at least competent: Dell T5500, Six Core Xeon 2.4Ghz, 24GB RAM, 2 x 1TB SATA 3.0Gb/s 7200 RPM drives RAID 1. It was a big step up from our old main machine.
That price seems fairly high for those specs. Did you get some expensive software to go with it?
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