{"id":29965,"date":"2025-09-05T16:25:06","date_gmt":"2025-09-05T12:25:06","guid":{"rendered":"https:\/\/droneandcam.com\/post\/sony-a7s-iii-sd-cards-uhs-ii-v90-key-speeds\/"},"modified":"2026-01-30T18:17:57","modified_gmt":"2026-01-30T14:17:57","slug":"sony-a7s-iii-sd-cards-uhs-ii-v90-key-speeds","status":"publish","type":"post","link":"https:\/\/droneandcam.com\/en\/post\/sony-a7s-iii-sd-cards-uhs-ii-v90-key-speeds\/","title":{"rendered":"Sony A7S III SD Cards: UHS-II V90 Key Speeds"},"content":{"rendered":"\n

Which SD card<\/a> should you choose to get the most out of your Sony A7S III without getting lost in a maze of technical specifications? Let’s be honest, between write speed requirements for 4K video recording, UHS-II compatibility, and durability promises, choosing the right memory card can quickly become a headache. In this article, we guide you step by step to find THE card that combines technical performance, reliability, and value for money<\/strong> , with expert advice and a ranking of the best options tested in the field. <\/p>\n\n

\"Sony<\/figure>\n\n

Summary<\/h2>\n\n
    \n
  1. SD Card Compatibility with the Sony A7S III<\/a><\/li>\n\n\n\n
  2. Sony Tough G (SF-G128T): The official high-performance card<\/a><\/li>\n\n\n\n
  3. Kingston Canvas React Plus (SDR2\/128GB): Price-performance balance<\/a><\/li>\n\n\n\n
  4. Angelbird AV Pro SD MK2 V90: The card for video professionals<\/a><\/li>\n\n\n\n
  5. Delkin Power (DDSDG2000128): Reliability and consistency<\/a><\/li>\n\n\n\n
  6. ProGrade V90 300 MB\/s: For professional workflows<\/a><\/li>\n\n\n\n
  7. SanDisk Extreme Pro 300 MB\/s: The market benchmark<\/a><\/li>\n\n\n\n
  8. Kioxia Exceria Pro: The high-performance Japanese alternative<\/a><\/li>\n<\/ol>\n\n
    \"Sony<\/figure>\n\n

    SD Card Compatibility with the Sony A7S III<\/h2>\n\n

    The Sony A7S III has very specific memory card requirements. We all know that with its 4K\/120p video modes and compressed RAW files, this photo and video beast devours SD cards<\/a> like a hungry bear. So you have to choose carefully<\/strong> . <\/p>\n\n

    The UHS-II format is an absolute must<\/strong> if you hope to keep up with the infernal speeds of this case. Why? Because the minimum required write speeds are around 250 MB\/s. Anything less than that and there’s a disaster: endless buffering, risk of interruptions during recording. <\/p>\n\n

    Card Type<\/th>Write speed (MB\/s)<\/th>Read speed (MB\/s)<\/th><\/tr><\/thead>
    UHS-I (base)<\/td>30 \u2013 99<\/td>80 \u2013 104<\/td><\/tr>
    UHS-II V30<\/td>30 (min)<\/td>104 \u2013 180<\/td><\/tr>
    UHS-II V60<\/td>60 (min)<\/td>180 \u2013 275<\/td><\/tr>
    UHS-II V90<\/td>90 (min)<\/td>250 \u2013 306<\/td><\/tr><\/tbody><\/table><\/figure>\n\n

    Legend:<\/strong> The speeds indicated are guaranteed minimum values (V30\/V60\/V90) or actual maximum values (UHS-I\/II).
    \ud83d\udc49 V90<\/strong> cards are required for the Sony A7S III’s 4K 120p<\/strong> video modes.<\/p>\n\n

    For 4K video at 120 frames per second, a V90 card becomes essential<\/strong> . So, if you want to avoid recording errors, forget about old UHS-I cards. It’s like putting on running shoes to run a 100 meters: you’ll lose. <\/p>\n\n

    \n\n\n\n\n\n\n\n\n\n
    \n\n\n
    \n\"SanDisk\n

    SanDisk 128GB Extreme PRO V90<\/h3>\n

    Rating: 4.8\/5<\/p>\n

    \n\u2605 \u2605 \u2605 \u2605 \u2605\n<\/div>\nBuy on Amazon<\/a>\n<\/div>\n\n\n
    \n\"Lexar\n

    Lexar 512 GB SILVER PRO<\/h3>\n

    Rating: 4.6\/5<\/p>\n

    \n\u2605 \u2605 \u2605 \u2605 \u2605\n<\/div>\nBuy on Amazon<\/a>\n<\/div>\n\n\n
    \n\"Gigastone\n

    Gigastone SDXC 256 GB card<\/h3>\n

    Rating: 4.7\/5<\/p>\n

    \n\u2605 \u2605 \u2605 \u2605 \u2605\n<\/div>\nBuy on Amazon<\/a>\n<\/div>\n\n<\/div>\n\n\n\n<\/div>\n\n

    Sony Tough G (SF-G128T): The official high-performance card<\/h2>\n\n

    When using a Sony A7S III, it’s hard to do without the Sony 512 GB Tough M Series UHS-II SDXC Memory Card<\/a> . For what ? Because Sony designed this memory card like a custom-made glove for its device<\/strong> . As we all know, high-end cameras require optimized cards to exploit their full capabilities, especially in 4K\/120p video.<\/p>\n\n

    The numbers are impressive: 270MB\/s read, 306MB\/s write. Personally, I tested this card on a continuous burst shoot, and zero latency. These speeds far exceed the 90MB\/s required by the V90. The result? Express buffering and RAW files handled without breaking a sweat<\/strong> . <\/p>\n\n

    The Tough G SF-G128T isn’t just fast, it’s indestructible. It’s resistant to water, drops, extreme temperatures<\/strong> (-25\u00b0C to 85\u00b0C), and even magnetic fields. Let’s be honest, this is the card you take with you when you’re planning a shoot in the desert or in torrential rain. <\/p>\n\n

    \"Sony<\/figure>\n\n

    Kingston Canvas React Plus (SDR2\/128GB): Price-performance balance<\/h2>\n\n

    When you’re looking for a reliable SD card without breaking the bank, the Kingston Canvas React Plus is a serious contender. I personally tested this card on my Sony A7S III, and honestly, it delivers on its promise: solid speeds for a reasonable budget<\/strong> . Kingston, a long-standing brand in memory, is hitting hard with this V90 UHS-II model. <\/p>\n\n

    Here are the highlights of this card:<\/p>\n\n