Bundle Includes: 2 Sony CFexpress Type A 160GB Memory Card, Rugged Memory Storage Carrying Case - fits up to 3 XQD/CFExpress and 6 SD Cards and Camera Lens Mug High Speeds: The Sony CEA-G160T (160GB) uses the latest flash memory control technology to achieve read speeds as high as 800MB/s and write speeds as high as 700MB/s, greatly reducing buffer clearing times for efficient, stress-free shooting Effective Heat Dissipation: The CFexpress Type A memory cards are equipped with a heatsink to transfer heat generated by the card to the exterior when transmitting large amounts of data at high speed, using Sony's original alloy with excellent thermal conductivity. This enables users to record for long periods of time, even when recording 4K 120p video internally