SONY CFexpress Type B, Tough, 128GB, R1700/W1480. For the toughest conditions-You can rely on CFexpress memory cards to work faultlessly in extreme temperatures, X-rays, electrostatic and intensive UV sunlight. For the roughest places-With a tough design, CFexpress memory cards offer superior strength more than 3x greater than the CFexpress standard of bending, with additional rigidity tested to 70 newtons of force, and can withstand falls up to 5 metres high. High-grade videography-CFexpress enables stable high bitrate video capture at 4K resolution and beyond, making it a natural partner for high-end camcorders.