If you need more compute power
These are 8 Dual 2011 servers in 4U. for 1000€ so 125€ per node!
HP ProLiant s6500 Chassis 8x HP ProLiant SL230s Gen8 16x CPU-Kühler 614167-B21 | eBay
These are 8 Dual 2011 servers in 4U. for 1000€ so 125€ per node!
HP ProLiant s6500 Chassis 8x HP ProLiant SL230s Gen8 16x CPU-Kühler 614167-B21 | eBay