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The Ultimate Guide to Camera Memory Cards (2026)

You just spent $4,000 on a new Sony cinema camera capable of shooting 4K slow motion at 120 frames per second. You take it out of the box, plug in the SD card you've been using since 2018, press record, and... nothing happens. The camera throws a 'Media Error' or simply stops recording after 3 seconds. The culprit is bandwidth. Modern cameras write data at terrifying speeds, and if your memory card cannot catch that data fast enough, the buffer overflows and the recording dies. This guide decodes the confusing world of memory cards and explains why upgrading to a CFexpress card is mandatory for high-end video.

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Gear itemPickWhy it fitsLearning curveConfidencePrice/store

The Media: Sony TOUGH CFexpress Type A 160GB

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Sony TOUGH CFexpress Type A 160GB

Sony

If you shoot sports photography, this card allows you to hold down the shutter button and shoot uncompressed RAW photos endlessly without the camera ever freezing up to clear the buffer.None. It works exactly like a normal SD card.Verify details

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CA$480

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The Media: Sony TOUGH CFexpress Type A 160GB

recommended88/100Good fit

Sony TOUGH CFexpress Type A 160GB

Sony

Sony

Ultra-fast, rugged memory card designed for high-bitrate 4K and 8K recording in modern Sony cinema cameras.

Why this pick: If you shoot sports photography, this card allows you to hold down the shutter button and shoot uncompressed RAW photos endlessly without the camera ever freezing up to clear the buffer.

Pros

  • + Blistering fast clearing of photo buffers
  • + Required for Sony's highest bitrate 4K/120p modes (XAVC S-I)
  • + Virtually indestructible build quality

Risks

  • - Extremely expensive per gigabyte compared to SD cards
  • - Requires a specialized card reader
  • - You cannot plug this into the SD card slot on your MacBook. You must buy a separate, specialized CFexpress Type A reader to offload the footage.

Best Buy Canada

CA$480

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