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SD Card Guides

Expert resources to help you understand SD cards, choose the right format, and optimize your storage strategy.

Complete SD Card Guide

Types (SDHC, SDXC, microSD), speed classes, UHS interfaces, and best practices for SD card selection and maintenance.

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Speed Classes Explained

U1, U3, V30, V60, V90 ratings. Understand minimum write speeds and choose the right speed class for your use case.

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Video Bitrate Comparison

H.264 vs H.265 vs ProRes. Compare codec efficiency, bitrates, and file sizes to determine storage needs.

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RAW vs JPEG

Compare photography formats. Learn file sizes, editing capabilities, and storage implications for each format.

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Planning Your Storage?

Use our interactive calculators to determine exactly how much storage you need for your specific use case.

Quick Reference: SD Card Types

SDHC (4GB-32GB)

Standard capacity cards, widely supported. Good for basic use, older devices.

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SDXC (32GB-2TB)

Extended capacity, modern standard. Best for video, photography, gaming.

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microSD

Miniaturized cards for phones, tablets, drones. Adapter available for full-size SD slots.

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Speed Classes

U1, U3, V30, V60, V90 ratings guarantee minimum write speeds for video.

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Common Questions

What speed class do I need?

For 4K video: V30 or U3. For burst photography: U1-U3. For everyday use: U1. See detailed guide →

How much storage do I need?

Depends on your use: 1000 JPEG photos ≈ 5GB, 1000 RAW photos ≈ 30GB, 1 hour 4K video ≈ 150GB. Use our calculator →

RAW or JPEG?

JPEG for instant sharing and storage efficiency. RAW for editing control and archival. Professionals often use both. See comparison →

What about H.264 vs H.265?

H.265 is more efficient (50% smaller files). H.264 is more compatible (older devices, streaming). See comparison →