1. Intel Core i7-2600K / 32GB RAM / 2 * 1000 Gb HDD / 1 GB / s 2. Xeon E5-2620 / 32GB RAM / 2 * 1000Gb HDD / 100 MB / s 3. Xeon E5-1650 / 32Gb RAM / 2 * 1000Gb HDD / 100 MB / s 4. Xeon 5620 x2 / 32GB RAM / 1000Gb HDD / 1 GB / s 5. Xeon E3-1230 / 16Gb RAM / 1000Gb HDD / 1 GB / s These servers fit right into my budget. Which is the best out of this 5? I just don't have the option to replace the HDDs with SSD though. But what do you guys think? I'm buying this tonight. So I need a little help on deciding.