Not enough Ram and the standard HD is very slow.
Poca Ram e HD molto lento.
It was very easy open it and swap the hardware. All the process takes about 30 minutes. I've installed 8Gb ram Corsair CMSA8GX3M2A1066C7 and SSD 256Gb Crucial CT256M4SSD2
Sostituzione semplice e veloce. Si fa tutto in mezz'oretta circa. Ho installato 8Gb di ram Corsair CMSA8GX3M2A1066C7 e un SSD 256Gb Crucial CT256M4SSD2
Use the iFixit guide. It is perfect. I've used: Spudger - T6 Torx Screwdriver - T8 Torx Security Bit Screwdriver - Mac Mini Logic Board Removal Tool
La guida di iFixit è perfetta. Ho usato: Spudger - T6 Torx Screwdriver - T8 Torx Security Bit Screwdriver - Mac Mini Logic Board Removal Tool
T6 Torx Screwdriver
TR8 Torx Security Screwdriver
Mac Mini Logic Board Removal Tool