SanDisk 128GB Extreme SD CARD PRO SDXC UHS I Card. Key Features:

• Shot speeds up to 90MB/s, transfer speeds up to 170MB/s [requires a compatible device capable of reaching such speeds, such as the SanDisk SD UHS I card reader (sold separately)] | Based on internal testing; performance may be lower depending upon host device, interface, usage conditions, and other factors 1MB=1,000,000 bytes; X = 150KB/sec
• Perfect for shooting 4K UHD video(1) and sequential burst mode photography, (1)Full HD (1920×1080), and 4K UHD (3840 x 2160) video support may vary based upon host device, file attributes, and other factors. Compatibility – Compatible with microSDHC and microSDXC supporting host devices