{"id":36137,"date":"2025-10-14T16:18:26","date_gmt":"2025-10-14T12:18:26","guid":{"rendered":"https:\/\/droneandcam.com\/post\/sony-a9-ii-sd-card-uhs-ii-v90-raf-uhs-i-u3-4k\/"},"modified":"2025-11-25T12:54:17","modified_gmt":"2025-11-25T08:54:17","slug":"sony-a9-ii-sd-card-uhs-ii-v90-raf-uhs-i-u3-4k","status":"publish","type":"post","link":"https:\/\/droneandcam.com\/en\/post\/sony-a9-ii-sd-card-uhs-ii-v90-raf-uhs-i-u3-4k\/","title":{"rendered":"Sony a9 II SD card: UHS-II V90 (raf)\/UHS-I U3 4K"},"content":{"rendered":"\n

Choosing the<\/a> right SD card<\/a> for your Sony a9 II is important: we’ve all experienced that frustration when the card slows down burst shooting or refuses to record 4K. This article breaks down compatibility, UHS-II V90\/UHS-I U3 speeds, and storage options to optimize your Sony a9 II camera without breaking the bank. Spoiler alert: the performance of your memory card goes far beyond simply “it works”\u2014we’ll tell you how to transform an accessory into a true professional ally. <\/p>\n\n

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

Comparison of SD card standards compatible with the Sony a9 II<\/h2>\n\n

Speeds, uses and technical characteristics<\/h3>\n\n
SD Card Standard<\/th>Guaranteed Minimum Writing Speed<\/th>Actual performance (MB\/s)<\/th>Recommended use with the Sony a9 II<\/th><\/tr><\/thead>
UHS-II V90<\/td>90 MB\/s<\/td>181 \u2013 184.5 MB\/s<\/td>20 fps burst photography (\u2248143 continuous RAW images), unlimited 4K video<\/td><\/tr>
UHS-II V60<\/td>60 MB\/s<\/td>\u2013<\/td>4K video, occasional burst shooting (buffer emptied in ~40 s)<\/td><\/tr>
UHS-I U3<\/td>30 MB\/s<\/td>\u2013<\/td>4K video (required bitrate: 12.5 MB\/s), basic storage<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n\n\n\n<a href=\"https:\/\/droneandcam.com\/en\/post\/best-sd-cards-for-canon-eos-2000d-2\/\">SD Cards<\/a> widget<\/title>\n\n\n\n<div style=\"display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; padding: 20px; border: 1px solid #ccc; border-radius: 10px; background-color: #f9f9f9; max-width: 800px; margin: 0 auto;\">\n\n<!-- Card for SanDisk -->\n<div style=\"text-align: center; width: 30%; margin-bottom: 20px;\">\n<img decoding=\"async\" src=\"https:\/\/m.media-amazon.com\/images\/I\/71kJg5K7ujL._AC_SL1280_.jpg\" alt=\"SanDisk 512 GB Extreme PRO\" style=\"width: 100%; max-width: 200px; border-radius: 10px;\"\/>\n<h3>SanDisk 128GB Extreme PRO V90<\/h3>\n<p>Rating: 4.8\/5<\/p>\n<div style=\"color: #FFD700; font-size: 20px;\">\n\u2605 \u2605 \u2605 \u2605 \u2605\n<\/div>\n<a href=\"https:\/\/geni.us\/SezOdL7\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display: inline-block; margin-top: 10px; margin-bottom: 10px; padding: 10px 5%; width: auto; max-width: 100%; padding: 10px 20px; background-color: #ff9900; color: #fff; text-decoration: none; border-radius: 5px;\">Buy on Amazon<\/a>\n<\/div>\n\n<!-- Card for Lexar -->\n<div style=\"text-align: center; width: 30%; margin-bottom: 20px;\">\n<img decoding=\"async\" src=\"https:\/\/m.media-amazon.com\/images\/I\/71wcw4Ms2XL._AC_SL1500_.jpg\" alt=\"Lexar SILVER PRO\" style=\"width: 100%; max-width: 200px; border-radius: 10px;\"\/>\n<h3>Lexar 512 GB SILVER PRO<\/h3>\n<p>Rating: 4.6\/5<\/p>\n<div style=\"color: #FFD700; font-size: 20px;\">\n\u2605 \u2605 \u2605 \u2605 \u2605\n<\/div>\n<a href=\"https:\/\/geni.us\/f3OaGk\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display: inline-block; margin-top: 10px; margin-bottom: 10px; padding: 10px 5%; width: auto; max-width: 100%; padding: 10px 20px; background-color: #ff9900; color: #fff; text-decoration: none; border-radius: 5px;\">Buy on Amazon<\/a>\n<\/div>\n\n<!-- Card for Gigastone -->\n<div style=\"text-align: center; width: 30%; margin-bottom: 20px;\">\n<img decoding=\"async\" src=\"https:\/\/m.media-amazon.com\/images\/I\/51F2IcqgHrL._AC_SL1000_.jpg\" alt=\"Gigastone SDXC Memory Card\" style=\"width: 100%; max-width: 200px; border-radius: 10px;\"\/>\n<h3>Gigastone SDXC Card<\/h3>\n<p>Rating: 4.7\/5<\/p>\n<div style=\"color: #FFD700; font-size: 20px;\">\n\u2605 \u2605 \u2605 \u2605 \u2605\n<\/div>\n<a href=\"https:\/\/geni.us\/pPeOAN\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"display: inline-block; margin-top: 10px; margin-bottom: 10px; padding: 10px 5%; width: auto; max-width: 100%; padding: 10px 20px; background-color: #ff9900; color: #fff; text-decoration: none; border-radius: 5px;\">Buy on Amazon<\/a>\n<\/div>\n\n<\/div>\n\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<h2 class=\"wp-block-heading\" id=\"h-pourquoi-la-vitesse-d-ecriture-est-cruciale-sur-le-sony-a9-ii\">Why write speed is crucial on the Sony a9 II<\/h2>\n\n<p>The Sony a9 II’s 5GB buffer allows for 143 RAW images, but a V90 card is needed to clear this cache in record time. With a UHS-II V90, the buffer is cleared in <strong>24 seconds<\/strong> , compared to <strong>40 seconds with a V60<\/strong> . <\/p>\n\n<p>Read speeds also make a difference: <strong>312 MB\/s for UHS-II<\/strong> versus only <strong>104 MB\/s for UHS-I<\/strong> . The result: less waiting time for transfer and more time to shoot. <\/p>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<h2 class=\"wp-block-heading\" id=\"h-les-meilleures-cartes-sd-pour-le-sony-a9-ii\">The best SD cards for the Sony a9 II<\/h2>\n\n<ul class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/geni.us\/LoZZKB\">Sony 512 GB Tough M Series UHS-II SDXC Memory Card<\/a><\/strong> : ultra-fast and durable, designed for professionals who use the buffer in bursts.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/geni.us\/F3oiNU\">SanDisk 512GB Extreme PRO SD card<\/a><\/strong> : a classic, balancing speed, reliability and large capacity.<\/li>\n\n\n\n<li><strong>Delkin Power V90<\/strong> : an excellent high-end alternative with storage up to 512GB.<\/li>\n\n\n\n<li><strong>ProGrade Digital Iridium V90<\/strong> : designed for 4K and sports photography, with guaranteed speeds.<\/li>\n\n\n\n<li><strong>Toshiba Exceria Pro V90<\/strong> : a more affordable but still high-performing choice.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/geni.us\/f3OaGk\">Lexar SILVER PRO SD Card<\/a><\/strong> : good price\/performance compromise, perfect for demanding amateurs.<\/li>\n\n\n\n<li><strong><a href=\"https:\/\/geni.us\/pPeOAN\">Gigastone 256GB SDXC Memory Card<\/a><\/strong> : ideal for mixed photo\/video use without breaking the bank.<\/li>\n<\/ul>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<h2 class=\"wp-block-heading\" id=\"h-quelle-capacite-choisir-pour-vos-besoins\">What capacity should you choose for your needs?<\/h2>\n\n<ul class=\"wp-block-list\">\n<li><strong>128 GB<\/strong> : sufficient for most professional photo shoots.<\/li>\n\n\n\n<li><strong>256 GB<\/strong> : approximately 5000 uncompressed RAW files, perfect for long-term reporting.<\/li>\n\n\n\n<li><strong>512 GB<\/strong> : essential for those who film a lot in 4K or want to limit card changes.<\/li>\n<\/ul>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<h2 class=\"wp-block-heading\" id=\"h-double-slot-du-sony-a9-ii-comment-bien-configurer-ses-cartes\">Dual card slots on the Sony a9 II: how to properly configure your cards<\/h2>\n\n<p>The dual UHS-II slots on the Sony a9 II are a real advantage. Here are a few useful configurations: <\/p>\n\n<ul class=\"wp-block-list\">\n<li><strong>Simultaneous backup<\/strong> : instant backup copy on both cards.<\/li>\n\n\n\n<li><strong>Separate RAW + JPEG<\/strong> : a gain in organization and space.<\/li>\n\n\n\n<li><strong>Separate photo\/video<\/strong> : avoids saturating a card by mixing formats.<\/li>\n\n\n\n<li><strong>Relay mode<\/strong> : when one card is full, the device automatically switches to the other.<\/li>\n<\/ul>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<h2 class=\"wp-block-heading\" id=\"h-bonnes-pratiques-pour-prolonger-la-duree-de-vie-de-vos-cartes-sd\">Best practices to extend the lifespan of your SD cards<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>Always format the card <strong>in the device<\/strong> .<\/li>\n\n\n\n<li>Avoid removing the card while writing.<\/li>\n\n\n\n<li>Do not delete the files directly from the device.<\/li>\n\n\n\n<li>Store them in a shockproof case.<\/li>\n\n\n\n<li>Check their condition regularly with diagnostic software.<\/li>\n<\/ul>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<h2 class=\"wp-block-heading\" id=\"h-workflow-et-transfert-des-fichiers\">Workflow and file transfer<\/h2>\n\n<p>For a fast and secure transfer:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Use an <strong>external UHS-II<\/strong> reader (up to 312 MB\/s).<\/li>\n\n\n\n<li>The <strong>USB-C port on the case<\/strong> is convenient but slower.<\/li>\n\n\n\n<li><strong>5 GHz Wi-Fi<\/strong> is sufficient for previewing, but not for large volumes.<\/li>\n<\/ul>\n\n<p>Quick tip: organize your files by project or date as soon as you transfer them. Software like Lightroom or Capture One will then allow for efficient filing. <\/p>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<h2 class=\"wp-block-heading\" id=\"h-conclusion-quelle-carte-sd-choisir-pour-son-sony-a9-ii\">Conclusion: Which SD card should I choose for my Sony a9 II?<\/h2>\n\n<p><strong>UHS-II V90<\/strong> cards are essential for taking advantage of 20 fps burst shooting and 4K video without slowdowns. For added security, the <strong>dual slot<\/strong> is a valuable asset, especially in simultaneous save mode. <\/p>\n\n<p>\ud83d\udc49 In other words:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Professional and demanding: <strong><a href=\"https:\/\/geni.us\/LoZZKB\">Sony 512 GB Tough M Series UHS-II SDXC Memory Card<\/a><\/strong> or <strong><a href=\"https:\/\/geni.us\/F3oiNU\">SanDisk 512 GB Extreme PRO SD card<\/a><\/strong> .<\/li>\n\n\n\n<li>Good value for money: <strong><a href=\"https:\/\/geni.us\/f3OaGk\">Lexar SILVER PRO SD Card<\/a><\/strong> .<\/li>\n\n\n\n<li>Versatility: <strong><a href=\"https:\/\/geni.us\/pPeOAN\">Gigastone 256GB SDXC Memory Card<\/a><\/strong> .<\/li>\n<\/ul>\n\n<p>With the right memory card, your Sony a9 II will never be limited. The result: every burst, every 4K sequence, every decisive moment will be captured without compromise. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Choosing the right SD card for your Sony a9 II is important: we’ve all experienced that frustration when the card slows down burst shooting or refuses to record 4K. This article breaks down compatibility, UHS-II V90\/UHS-I U3 speeds, and storage options to optimize your Sony a9 II camera without breaking the bank. Spoiler alert: the […]<\/p>\n","protected":false},"author":1,"featured_media":6828,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"footnotes":""},"categories":[113],"tags":[],"class_list":["post-36137","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sd-card-en"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Sony a9 II SD card: UHS-II V90 (raf)\/UHS-I U3 4K - Drone & Cam<\/title>\n<meta name=\"description\" content=\"Discover how to choose the ideal Sony a9 II SD card to avoid slowdowns when shooting in burst mode.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/droneandcam.com\/en\/post\/sony-a9-ii-sd-card-uhs-ii-v90-raf-uhs-i-u3-4k\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sony a9 II SD card: UHS-II V90 (raf)\/UHS-I U3 4K\" \/>\n<meta property=\"og:description\" content=\"{{excerpt}} Infos utiles, conseils terrain et retour d\u2019exp\u00e9rience.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/droneandcam.com\/en\/post\/sony-a9-ii-sd-card-uhs-ii-v90-raf-uhs-i-u3-4k\/\" \/>\n<meta property=\"og:site_name\" content=\"Drone & Cam\" \/>\n<meta property=\"article:published_time\" content=\"2025-10-14T12:18:26+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-11-25T08:54:17+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/droneandcam.com\/wp-content\/uploads\/2025\/08\/image-513.avif\" \/>\n\t<meta property=\"og:image:width\" content=\"740\" \/>\n\t<meta property=\"og:image:height\" content=\"979\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Guillaume H\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Guillaume H\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/droneandcam.com\\\/en\\\/post\\\/sony-a9-ii-sd-card-uhs-ii-v90-raf-uhs-i-u3-4k\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/droneandcam.com\\\/en\\\/post\\\/sony-a9-ii-sd-card-uhs-ii-v90-raf-uhs-i-u3-4k\\\/\"},\"author\":{\"name\":\"Guillaume H\",\"@id\":\"https:\\\/\\\/droneandcam.com\\\/en\\\/#\\\/schema\\\/person\\\/1d7eeaaec7ae447ff752ef6419070cf8\"},\"headline\":\"Sony a9 II SD card: UHS-II V90 (raf)\\\/UHS-I U3 4K\",\"datePublished\":\"2025-10-14T12:18:26+00:00\",\"dateModified\":\"2025-11-25T08:54:17+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/droneandcam.com\\\/en\\\/post\\\/sony-a9-ii-sd-card-uhs-ii-v90-raf-uhs-i-u3-4k\\\/\"},\"wordCount\":715,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/droneandcam.com\\\/en\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/droneandcam.com\\\/en\\\/post\\\/sony-a9-ii-sd-card-uhs-ii-v90-raf-uhs-i-u3-4k\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/droneandcam.com\\\/wp-content\\\/uploads\\\/2025\\\/08\\\/image-513.avif\",\"articleSection\":[\"SD card\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/droneandcam.com\\\/en\\\/post\\\/sony-a9-ii-sd-card-uhs-ii-v90-raf-uhs-i-u3-4k\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/droneandcam.com\\\/en\\\/post\\\/sony-a9-ii-sd-card-uhs-ii-v90-raf-uhs-i-u3-4k\\\/\",\"url\":\"https:\\\/\\\/droneandcam.com\\\/en\\\/post\\\/sony-a9-ii-sd-card-uhs-ii-v90-raf-uhs-i-u3-4k\\\/\",\"name\":\"Sony a9 II SD card: UHS-II V90 (raf)\\\/UHS-I U3 4K - 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