SD Memory Card Slot Interface Assembly For GoPro Hero 4 Silver Expansion Port | eBay
Format SD Card GoPro HERO 4 Silver, How To - HardReset.info
Amazon.com: 64GB Memory Card works with GoPro Hero 4 Black/Silver/Session - Sandisk Ultra 64G micro SDXC Micro SD Class 10 works with Hero4 Silver Edition / Hero4 Black Edition & Everything But