Im currently having a probelm with my one of my blades, as they dont have much storage so i will probably use them to host game servers and the other servers for data storage, i may even pull the ram from the "broken" one and have 8gb in total.
For running a game server which would be better
1. 32gb ram 2 2.6ghz dual core
2. 8gb ram 2 2.6ghz quad core (may be higher clock not sure)