Re: How many gflop's?
The machines have dual quad core AMD opteron CPUs, running at 2.0 and 2.3 GHz (if I recall correctly). Two of them are Supermicros, and 2 are Sunfire 2200's. I haven't figured out the theoretical gflops it can do, but it shouldn't be too hard to calculate. I'm sure that AMD's web page must provide the information.
The Sunfires are super easy to rack mount, had them mounted and running PelicanHPC in about half an hour.