Designed for emerging mainstream imaging applications, the ProGrade Digital 256GB CFexpress Type B 4.0 Memory Card (Gold, 2-pack) provides read speeds of up to 1700 MB/s, which helps to quickly offload content to your computer, and write speeds of up to 1400 MB/s. Additionally, the Gold's minimum write speed is guaranteed not to drop below 140 MB/s, allowing for uninterrupted recording of various codecs. This includes raw 4K video, 4K and 6K ProRes 4444, 4K, 6K, and 8K ProRes 422 HQ, and more. The card is resistant to temperature extremes, shock, vibration, and X-rays, while also being backward compatible with select XQD cameras that adopt firmware to enable CFexpress. It takes advantage of an NVMe host controller interface and backward compatibility with CFexpress 1.0.
Features:
- Fully compliant with CompactFlash Association CFexpress Type B 1.0 and 2.0 specifications
- XQD host interoperable with firmware support from device manufacturer
- Metal enclosure/encasement for high temperature endurance and better thermal conductivity
- Built-in thermal throttling to protect the card and content in case of overheating
- Designed for improved performance in flagship cinema, video, and photography cameras
- Optimized controllers specifically designed for professional-grade cameras
- Rigorous full card testing with serialized tracking of key components and manufacturing data for high quality control
- Component-level testing down to individual memory chips for greater reliability
- Refresh Pro enabled for quick performance refresh and card health monitoring
