A:Yes sata remains same
For installation purpose if there is no space for 2.5inch in your cabinet then
There is a bracket for this 2.5 inch to 3.5 inch
A:You can. Your desktop needs to support 2.5 inch drive as desktop has 3.5inch druves.if not you can buy a 2.5inch to 3.5 inch converter. Drive is good and performance is satisfactory.