Sony’s SF-G series TOUGH Specification SD cards, available in a range of capacities, are built with an ultra-strong one-piece resin-moulded design that makes them much more resistant to bending and provide resistance to dust, dirt, water, mud and grime. The Tough cards also eliminate the fragile protector ribs and write-protect switch found on conventional cards, parts that, if broken, make it difficult to record data. These UHS-II SD cards also provide faster clearing time after burst shooting and make for more efficient downloads. Write speeds can be as fast as 299 MB/s while read speeds top out at 300 MB/s, plus the cards support the highest Video Speed Class—V90—for stable 4K and high bit rate capture.