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)
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.
The 4100 takes an SD card. We suggest a high speed card.
Sandisk
You can get them for around 20$ for the older SD cards.The new coolpix Extreme SD card is around 45$.
There are Wi-Fi memory cards for sale that are compatible with the Nikon Coolpix L 22. These memory cards can be purchased preformatted to ensure compatibility.
only SanDisk SDMMC cards will fit