Category: Memory Card Buffer Tests

Speed and buffer tests.

  • Best Memory Cards Blackmagic Cinema 6k

    Best Memory Cards Blackmagic Cinema 6k

    To use the Blackmagic Cinema 6k, you need a CFexpress Type B memory card. This guide will walk you through some of the best options without overspending on high end cards.

  • Best Memory Cards Blackmagic Pocket 4k

    Best Memory Cards Blackmagic Pocket 4k

    The Blackmagic Pocket 4k uses a single CFast and a single SD UHS-II memory card configuration. Here is a list of recommended cards that are officially recommended by Blackmagic along with some other bitrate and record time information.

  • Best Memory Card Canon C70

    Best Memory Card Canon C70

    The Canon C70 uses a dual SD card configuration supporting the fastest SD cards up to the UHS-II V90 speed class. Here is what you need to know!

  • Recommended SD Cards Canon R10

    Recommended SD Cards Canon R10

    The Canon R10 needs at least a V60 card for its 340Mbps 4K video, though a good V90 card clears the buffer noticeably faster for high-speed bursts. Here are my top picks.

  • Best Memory Cards For Canon R100

    Best Memory Cards For Canon R100

    The Canon R100 uses single SD card slot that supports a speed class of UHS-I at V30 or U3. Here are some great SD memory card recommendations for the Canon EOS R100.

  • Best Memory Cards for the Canon R50 – UHS-I SD Card Guide

    Best Memory Cards for the Canon R50 – UHS-I SD Card Guide

    The Canon R50 has one UHS-I SD slot and a buffer of about 7 RAW frames. In my tests of Canon’s DIGIC X R7, the best UHS-I cards wrote 72–79 MB/s. Here’s which SD card to buy for photos and 4K.

  • Best Memory Cards Panasonic G9II – 36 Cards Tested

    Best Memory Cards Panasonic G9II – 36 Cards Tested

    The Panasonic G9II is a powerful camera with impressive video capabilities. To make the most of its high burst rate and bitrate, you might want to get the best cards available. Here is a guide to help you find the best SD cards for your Panasonic G9II.

  • Best Memory Cards Panasonic S5 IIx – 36 Cards Tested

    Best Memory Cards Panasonic S5 IIx – 36 Cards Tested

    The Panasonic S5IIx packs some solid specs with great video features. Considering the camera’s fast burst rate and high bitrate, choosing the top-tier cards might be a smart move. Check out this guide to the best SD memory cards for your Panasonic S5IIx.

  • Best SD Memory Cards Panasonic S5 II – V60 vs V90 Tested

    Best SD Memory Cards Panasonic S5 II – V60 vs V90 Tested

    The S5 II only needs V30 for video, but I recommend V60 UHS-II cards as the best balance for most people. V90 is really only for clearing the buffer on long 30fps RAW bursts.

  • Best Memory Cards for DJI Osmo Action 4 (2026)

    Best Memory Cards for DJI Osmo Action 4 (2026)

    The DJI Osmo Action 4 shoots 4K at up to 120fps with a 130 Mbps bitrate — about 16.25 MB/s in real write demand. Any V30/U3 microSD meets that, but compatibility still matters. These are the cards I’ve tested that work cleanly.