Instead, you can bolt a 2.5" SATA HDD or SSD to the underside of the top plate. This is functional but a little irritating, since it means your SATA cable is attached to the plate you must remove ...

However, iFixIt notes that there is an extra socket that could potentially be used for a SSD blade via a PCIe cable. Oddly, the new Mac mini's power supply is identical to both the 2012 and 2011 ...