Last January I upgraded my Mac Mini Basic(late 2012) RAM from 4GB to 16GB. I now want to upgrade the 500GB Hard Drive with either a 128GB External or Internal SSD. Due to recently buying a Refurbished 2GB Apple Time Capsule from the Apple Store, I have decided that 128GB SSD will be sufficient. If I go with the "Internal", I will need to pay a MAC TECH which are few and far between here in Costa Rica. So, your recommendations will be appreciated on "what road take"??