UHS-II SD Card V90 Series256GB Catalyst Exascend

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The Exascend EX256GSDU2 256GB Catalyst UHS-II SD card delivers 300 MB/s read & 280 MB/s write (V90 guaranteed ≥90 MB/s). Rugged, weather-proof design withstands -13 to 185°F, water, dust, ideal for 8K/6K cinema and high-bitrate photography with zero dropped frames.

The Exascend EX256GSDU2 256GB Catalyst UHS-II SDXC Memory Card is a cinema-grade, ultra-reliable storage solution engineered for professional filmmakers and photographers pushing extreme bitrates. Leveraging the UHS-II bus, it achieves blazing-fast 300 MB/s read and 280 MB/s write speeds, while the V90 rating guarantees sustained minimum writes of 90 MB/s—ensuring zero dropped frames during 8K RAW, 6K ProRes, or high-frame-rate recording. Perfect for Canon, Panasonic, RED, and Z CAM workflows, the Catalyst series combines massive 256GB capacity with frictionless performance and durability.

Key Features:

• 256GB UHS-II SDXC with V90 / U3 / Class 10 certification
• Max 300 MB/s read & 280 MB/s write; ≥90 MB/s sustained
• Cinema-grade reliability—no dropped frames, no overheating
• Fully rugged: waterproof, dustproof, shockproof, X-ray-proof, magnet-proof
• Extreme temperature rated: -13 to 185°F (-25 to 85°C)
• Physical write-protect switch for data safety
• Backward compatible with UHS-I devices (V60/V30/U3/U1 fallback)
• Ideal for 8K/6K/4K RAW, ProRes 4444XQ, high-FPS, and burst photography

• 1 Memory Card

• Model: EX256GSDU2
• Capacity: 256 GB
• Form Factor: SDXC
• Bus Interface: UHS-II
• Speed Class: V90, U3, Class 10
• Max Read Speed: 300 MB/s
• Max Write Speed: 280 MB/s
• Min Sustained Write: 90 MB/s (V90)
• Operating Temp: -13 to 185°F / -25 to 85°C
• Durability: Waterproof (IPX7), dustproof, shockproof, X-ray-proof, magnet-proof
• Dimensions: 32 x 24 x 2.1 mm
• Weight: ~2 g
• Warranty: 5 years (Exascend professional series)