The ProGrade Digital SDXC UHS-II V90 300R Iridium memory card is ideal for professional photography and videography, offering up to 1TB of storage capacity per card. Utilizing UHS-II bus technology, it achieves ultra-high-speed transfer: read speeds up to 300MB/s, while write speeds vary by capacity, with 200MB/s for 128GB and up to 275MB/s for 256GB, 512GB, and 1TB. This card is V90 Video Speed Class certified, guaranteeing a minimum sustained write speed of 90MB/s, perfectly supporting high-data-flow devices such as DSLRs, mirrorless cameras, professional camcorders, and digital cinema cameras. It easily handles 6K, 5K, 4K, UHD 4K, and high-bitrate MPEG-4 video recording, and is also suitable for RAW format photos and high-speed continuous shooting.
Although designed specifically for UHS-II/V90 compatible devices, it boasts excellent backward compatibility. When used with devices that do not support UHS-II, it will automatically downgrade to the device's speed class, such as UHS-II V60 (minimum 60MB/s), V30 (minimum 30MB/s), UHS-I U3 (minimum 30MB/s), or U1/Class 10 (minimum 10MB/s), ensuring broad applicability. The Iridium series is known for its ruggedness and durability, making it suitable for professional applications in extreme environments.
Features:● Video Speed Class: V90 (Guaranteed continuous write speed of 90MB/s, suitable for 8K video recording)
● UHS Speed Class: U3
● UHS Bus Interface: UHS-II (U3)
● Maximum Read Speed: 300 MB/s
● Maximum Write Speed: 275 MB/s
● Continuous Write Speed: Minimum 90 MB/s (V90 certified)
● Supported Formats: RAW + JPEG continuous shooting, high-resolution 4K/8K video, lossless compression
● Temperature Range: -12°C to 72°C (operating temperature); -20°C to 85°C (storage temperature)
● Dust and Shock Protection: All-metal casing, shock and dust resistant design