Pros.
Its compact design.
An appropriate length USB 3.0 Cable.
Data Transfer speed on USB 2.0 - 35-40 Megabytes per sec. For USB 3.0 - 95-115 Megabytes per sec. ( Depends on the other drives from where data is being transferred.)
Data Transfer rate from internal SSD to the HDD - 180-220 Megabytes per sec.
No heating problems so far. Have been using it continuously for a hours.