Well, for the 2.5" laptop drives and SSDs, you don't need a power adapter regardless if you go with the enclosure or the adapter.
Sent from my LG V10
---------- Post added at 12:20 AM ---------- Previous post was at 12:16 AM ----------
Mira:
USB 3.0 to SATA:
https://www.amazon.com/dp/B00HJZJI84
USB 2.0 to SATA & IDE:
https://www.amazon.com/dp/B000YJBL78 (This one has a power brick but can be used for any drive. 3.5", 2.5", SATA, IDE, on USB 2.0 or 3.0 ports)
Or get an enclosure.
Sent from my LG V10