Galaxy S7 - Insert or remove a Micro SD card (SM-G930W8) | Samsung Canada
Inserting SIM and SD Card in Galaxy S7 / S7 Edge - YouTube
It's possible to use dual SIMs and a microSD card on the Samsung Galaxy S7 Edge… with a little work - Android Authority
SanDisk Ultra 32GB MicroSD HC Class 10 UHS-1 Mobile Memory Card for Samsung Galaxy S7 & S7 Edge S8 & S8 Plus with USB 2.0 MemoryMarket Dual Slot MicroSD & SD Memory