Yes
Yes it is. I use this card with a D300 myself.
No, the Sandisk Extreme Microsdhcmicrosdx uhs is not compatible with the Samsung Galaxy S4 mini.
Extreme III 16GB (SD) or Extreme IV 16GB (CF)
The Nikon D5500 camera is compatible with SD memory cards.
The Nikon D3100 camera is compatible with SD (Secure Digital) memory cards.
The Nikon D40 camera is compatible with SD (Secure Digital) memory cards.
The Nikon D7000 camera is compatible with SD (Secure Digital) memory cards.
The Nikon D80 camera is compatible with Secure Digital (SD) memory cards.
Yes, the SanDisk ImageMate SDDR99A15 has a 5 in 1 reader and MicroSD is one of the 5 compatible card formats.
The SanDisk ImageMate line will be perfectly plug-and-play with your PC.
Yes, Sony manufactures a "Memory Stick PRO" type of card and that is compatible with the SanDisk ImageMate SDDR99A15 reader.
Yes.