{"id":1963,"date":"2022-03-31T10:18:48","date_gmt":"2022-03-31T10:18:48","guid":{"rendered":"https:\/\/picockpit.com\/raspberry-pi\/?p=1963"},"modified":"2022-04-01T14:11:36","modified_gmt":"2022-04-01T14:11:36","slug":"sd-card-classes","status":"publish","type":"post","link":"https:\/\/picockpit.com\/raspberry-pi\/it\/sd-card-classes\/","title":{"rendered":"Parte 1 - Come classificare le schede SD e scegliere la scheda giusta per un'applicazione"},"content":{"rendered":"<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/03\/SD-Card-Thumbnail-1024x576.jpg\" alt=\"\" class=\"wp-image-1976\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/03\/SD-Card-Thumbnail-1024x576.jpg 1024w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/03\/SD-Card-Thumbnail-300x169.jpg 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/03\/SD-Card-Thumbnail-768x432.jpg 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/03\/SD-Card-Thumbnail-1536x864.jpg 1536w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/03\/SD-Card-Thumbnail-18x10.jpg 18w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/03\/SD-Card-Thumbnail.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>Serie di schede SD - Parte 1<\/figcaption><\/figure><\/div>\n\n\n\n<p>Le classi di schede SD possono essere a dir poco confuse. Faremo un po' di luce sull'argomento e spiegheremo come scegliere la migliore scheda per la vostra applicazione.<\/p>\n\n\n\n<p>Questo post fa parte di una mini serie di tre parti sulle schede SD con alcune informazioni approfondite.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Parte 1 - Come classificare le schede SD e scegliere la scheda giusta per un'applicazione<\/li><li>Parte 2 - Come funziona la memoria flash (la prossima settimana)<\/li><li>Parte 3 - Cosa sono i voti delle carte e perch\u00e9 sono importanti (in arrivo tra due settimane)<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Contenuto<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"#size\">Dimensione<\/a><\/li><li><a href=\"#storage-size\">Dimensione della scheda SD<\/a><\/li><li><a href=\"#bus\">Versioni autobus<\/a><\/li><li><a href=\"#speed-classes\">Classi di velocit\u00e0 della scheda SD<\/a><\/li><li><a href=\"#choose-the-right-sd-card\">Scegliere la giusta scheda SD<\/a><\/li><\/ul>\n\n\n\n<p>Dai un'occhiata al nostro grafico informativo se vuoi una panoramica o un rapido promemoria sulle classi di schede SD.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"724\" height=\"1024\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/03\/4-SD-Card-Classes-724x1024.jpg\" alt=\"Classi di schede SD\" class=\"wp-image-1978\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/03\/4-SD-Card-Classes-724x1024.jpg 724w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/03\/4-SD-Card-Classes-212x300.jpg 212w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/03\/4-SD-Card-Classes-768x1086.jpg 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/03\/4-SD-Card-Classes-1086x1536.jpg 1086w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/03\/4-SD-Card-Classes-1448x2048.jpg 1448w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/03\/4-SD-Card-Classes-8x12.jpg 8w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/03\/4-SD-Card-Classes-scaled.jpg 1811w\" sizes=\"auto, (max-width: 724px) 100vw, 724px\" \/><figcaption>Classi di schede SD<\/figcaption><\/figure><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"size\">Dimensione<\/h2>\n\n\n\n<p>Con <strong>dimensione<\/strong> Mi riferisco all'attuale <strong>dimensione fisica<\/strong> di una scheda SD. Il sito <a href=\"https:\/\/www.sdcard.org\/\">Associazione SD<\/a> ha rilasciato lo standard SD originale nel 1999. Una scheda SD \u00e8 24mm x 32mm e pesa circa 2 grammi. Nel 2003 \u00e8 stata introdotta la miniSD Card, con una dimensione di 20mm x 21,5mm e circa 800mg di peso. La microSD Card \u00e8 disponibile dal 2005. Con una dimensione di 11mm x 15mm e circa 250mg \u00e8 stato il formato pi\u00f9 piccolo e leggero per molto tempo. Nel 2018 Huawei ha iniziato a produrre la sua Nano Memory o NM Card che - sebbene non faccia parte dello standard della SD Association - pu\u00f2 essere considerata un successore della microSD Card.<\/p>\n\n\n\n<p>Tenete a mente che la dimensione fisica di una scheda SD non \u00e8 quasi per niente legata alla dimensione dello stoccaggio.<\/p>\n\n\n\n<p>Ogni formato di scheda usa la sua propria interfaccia, quindi sii consapevole di questo quando scegli una scheda per la tua applicazione.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"storage-size\">Dimensione della scheda SD<\/h2>\n\n\n\n<p>Le capacit\u00e0 di memorizzazione delle schede SD sono aumentate drasticamente negli ultimi 20 anni. La SD Association (SDA) \u00e8 responsabile della dichiarazione degli standard SD.<\/p>\n\n\n\n<p>La SDA ha stabilito lo standard SDSC nel 1999. SC significa Standard Capacity e comprende schede SD fino a 2GB di memoria. Nel 2006 hanno definito lo standard SDHC (High Capacity) che include schede fino a 32GB. Poich\u00e9 le dimensioni di archiviazione della memoria flash sono salite alle stelle in quel periodo, lo standard SDXC (Extended Capacity) del 2009 include schede fino a 2TB. Infine nel 2018 la SD Association ha rilasciato la SDUC (Ultra Capacity) fino a 128TB.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Storage-Size-1024x645.jpg\" alt=\"Dimensione della scheda SD\" class=\"wp-image-1985\" width=\"529\" height=\"333\"\/><figcaption>Dimensione della scheda SD<\/figcaption><\/figure><\/div>\n\n\n\n<p>Sopra ogni scheda dovresti essere in grado di vedere la capacit\u00e0 di archiviazione e lo standard SD corrispondente.<\/p>\n\n\n\n<p>La quantit\u00e0 di capacit\u00e0 di stoccaggio di cui avete bisogno dipende molto dall'applicazione che avete in mente.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"bus\">Versioni autobus<\/h2>\n\n\n\n<p>Proprio come per l'USB, esistono diversi tipi di bus per le schede SD. Non sono sempre compatibili e differiscono drasticamente in termini di velocit\u00e0 di scrittura possibile.<\/p>\n\n\n\n<p>Le seguenti velocit\u00e0 del bus possono essere raggiunte solo quando la scheda e l'host usano lo stesso bus.<\/p>\n\n\n\n<p>Se nessun indicatore di bus \u00e8 stampato sulla scheda SD, \u00e8 probabile che usi il <strong>Alta velocit\u00e0 <\/strong>Bus con fino a 25 MB\/s. Il sito <strong>UHS-I<\/strong> Il bus supporta fino a 104 MB\/s. Poi c'\u00e8 <strong>UHS-II<\/strong> con un massimo di 312 MB\/s e <strong>UHS-III<\/strong> fino a 624 MB\/s. Nella maggior parte dei casi, se una scheda usa un bus UHS, sar\u00e0 denotata di conseguenza da un numero romano.<\/p>\n\n\n\n<p>Infine, se vedete <strong>EX <\/strong>o<strong> Express<\/strong> su una carta che significa che utilizza il <strong>Express<\/strong> Bus che supporta velocit\u00e0 massime che vanno da 985 MB\/s fino a 3940 MB\/s!<\/p>\n\n\n\n<p>Per quanto riguarda la compatibilit\u00e0, le schede ad alta velocit\u00e0 e UHS-I possono essere utilizzate con qualsiasi dispositivo host. Se vuoi saperne di pi\u00f9 sulla compatibilit\u00e0 dai un'occhiata a <a href=\"https:\/\/www.sdcard.org\/cms\/wp-content\/uploads\/2021\/04\/bus_speed_img2021.png\">questa infografica<\/a> dall'Associazione SD.<\/p>\n\n\n\n<p>Cerca sempre di far coincidere il bus della scheda e del dispositivo host per ottenere la massima velocit\u00e0.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"speed-classes\">Classi di velocit\u00e0 della scheda SD<\/h2>\n\n\n\n<p>Dai un'occhiata alla parte superiore di una scheda SD e vedrai molti loghi che denotano la classe di velocit\u00e0. C'\u00e8 un'enorme variet\u00e0 nelle velocit\u00e0 delle schede anche tra schede della stessa classe di velocit\u00e0 e spesso anche tra due schede dello stesso tipo dello stesso fornitore. Specialmente quando si guarda alle schede di grado consumer, alcune possono essere due volte pi\u00f9 veloci di schede identiche dello stesso fornitore - ci espanderemo su questo argomento nella parte 3 della serie.<\/p>\n\n\n\n<p>Le classi di velocit\u00e0 indicano la velocit\u00e0 minima alla quale la scheda deve eseguire le operazioni standard.<\/p>\n\n\n\n<p>Finora la SD Association ha definito quattro standard di classe di velocit\u00e0<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"#speed-class\">Classe di velocit\u00e0<\/a><\/li><li><a href=\"#uhs-speed-class\">Classe di velocit\u00e0 UHS<\/a><\/li><li><a href=\"#video-speed-class\">Classe di velocit\u00e0 video<\/a><\/li><li><a href=\"#application-performance-class\">Classe di prestazioni dell'applicazione<\/a><\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"speed-class\">Classe di velocit\u00e0<\/h4>\n\n\n\n<p>La classe di velocit\u00e0 o legacy speed class indica la velocit\u00e0 minima di scrittura sequenziale. Le quattro suddivisioni sono  <strong>C2<\/strong> per un minimo di 2 MB\/s, <strong>C4<\/strong> per un minimo di 4 MB\/S, <strong>C6<\/strong> con un minimo di 6 MB\/s e <strong>C10<\/strong> con almeno 10 MB\/s.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"uhs-speed-class\">Classe di velocit\u00e0 UHS<\/h4>\n\n\n\n<p>La UHS o Ultra High Speed Class estende la classe di velocit\u00e0 legacy con <strong>U1<\/strong> per una velocit\u00e0 di scrittura sequenziale minima di 10 MB\/s e <strong>U3<\/strong> per almeno 30 MB\/s.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"video-speed-class\">Classe di velocit\u00e0 video<\/h4>\n\n\n\n<p>Per supportare una risoluzione ancora pi\u00f9 alta come <strong>8K<\/strong>La SDA ha creato la classe di velocit\u00e0 video. Inizia con <strong>V6<\/strong> o almeno 6 MB\/s di velocit\u00e0 di scrittura sequenziale. <strong>V10<\/strong> denota 10 MB\/s, <strong>V30<\/strong> significa almeno 30 MB\/s. Infine si arriva fino a <strong>V60<\/strong> con 60 MB\/s e anche <strong>V90<\/strong> con 90 MB\/s.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"application-performance-class\">Classe di prestazioni dell'applicazione<\/h4>\n\n\n\n<p>Le classi di prestazioni delle applicazioni non solo definiscono la velocit\u00e0 minima di scrittura sequenziale (che \u00e8 di 10 MB\/s per entrambe), ma anche il minimo di operazioni di ingresso\/uscita al secondo o <strong>IOPS<\/strong><em>. <\/em>Le due classi attualmente definite sono <strong>A1<\/strong> con 1,5K IOPS di velocit\u00e0 minima di lettura casuale e 500 IOPS di velocit\u00e0 minima di scrittura casuale e <strong>A2<\/strong> con 4K IOPS di velocit\u00e0 di lettura e almeno 2K IOPS di velocit\u00e0 di scrittura casuale.<\/p>\n\n\n\n<p>Fate attenzione a queste classi se avete bisogno di leggere dati anche dalla scheda SD.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"choose-the-right-sd-card\">Scegliere la giusta scheda SD<\/h2>\n\n\n\n<p>Ora sai come classificare qualsiasi scheda SD. Se vuoi scegliere la migliore scheda per la tua applicazione, le tre cose pi\u00f9 importanti da considerare sono il budget, la memoria richiesta e la velocit\u00e0 richiesta.<\/p>\n\n\n\n<p>Per far funzionare un Raspberry Pi hai bisogno di almeno 8 GB di memoria, anche se 16 GB \u00e8 ampiamente accettato come il miglior compromesso tra funzionalit\u00e0 ed efficienza dei costi. Tuttavia, se stai facendo compiti pesanti di memoria con il tuo Raspberry Pi potresti voler prendere una scheda SDXC.<\/p>\n\n\n\n<p>Molte videocamere richiedono schede SD come dispositivo di memorizzazione. Soprattutto quando si registra <strong>4K<\/strong> o <strong>8K<\/strong> video hai bisogno di molta, molta memoria. Puntate verso una scheda con 256 GB o pi\u00f9 e con una velocit\u00e0 di scrittura di 10 MB\/s come minimo.<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Speed-Class-for-Video-recording-1024x458.jpg\" alt=\"Classi di velocit\u00e0 per la registrazione video\" class=\"wp-image-1981\" width=\"589\" height=\"263\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Speed-Class-for-Video-recording-1024x458.jpg 1024w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Speed-Class-for-Video-recording-300x134.jpg 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Speed-Class-for-Video-recording-768x344.jpg 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Speed-Class-for-Video-recording-1536x688.jpg 1536w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Speed-Class-for-Video-recording-2048x917.jpg 2048w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/04\/Speed-Class-for-Video-recording-18x8.jpg 18w\" sizes=\"auto, (max-width: 589px) 100vw, 589px\" \/><figcaption>Classi di velocit\u00e0 per la registrazione video<\/figcaption><\/figure><\/div>\n\n\n\n<p>I prezzi di solito aumentano drasticamente con una maggiore memorizzazione o velocit\u00e0. Quindi non \u00e8 sempre la soluzione pi\u00f9 conveniente prendere una scheda di fascia alta, se una scheda pi\u00f9 economica pu\u00f2 fare il lavoro.<\/p>\n\n\n\n<p>Inoltre potresti voler considerare il fattore di forma della scheda. Naturalmente ci sono tutti i tipi di adattatori in modo da poter inserire qualsiasi scheda in qualsiasi dispositivo compatibile con SD.<\/p>\n<div class=\"shariff shariff-align-center shariff-widget-align-left shariff-buttonstretch\"><ul class=\"shariff-buttons theme-white orientation-horizontal buttonsize-medium\"><li class=\"shariff-button twitter shariff-nocustomcolor\" style=\"background-color:#595959\"><a href=\"https:\/\/twitter.com\/share?url=https%3A%2F%2Fpicockpit.com%2Fraspberry-pi%2Fit%2Fsd-card-classes%2F&text=Part%201%20%E2%80%93%20How%20to%20classify%20SD%20Cards%20and%20choose%20the%20right%20Card%20for%20an%20Application\" title=\"Condividi su X\" aria-label=\"Condividi su X\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; background-color:#000; color:#000\" target=\"_blank\"><span class=\"shariff-icon\" style=\"fill:#000\"><svg width=\"32px\" height=\"20px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 24 24\"><path fill=\"#000\" d=\"M14.258 10.152L23.176 0h-2.113l-7.747 8.813L7.133 0H0l9.352 13.328L0 23.973h2.113l8.176-9.309 6.531 9.309h7.133zm-2.895 3.293l-.949-1.328L2.875 1.56h3.246l6.086 8.523.945 1.328 7.91 11.078h-3.246zm0 0\"\/><\/svg><\/span><span class=\"shariff-text\" style=\"color:#000\">condividi<\/span>&nbsp;<\/a><\/li><li class=\"shariff-button facebook shariff-nocustomcolor\" style=\"background-color:#4273c8\"><a href=\"https:\/\/www.facebook.com\/sharer\/sharer.php?u=https%3A%2F%2Fpicockpit.com%2Fraspberry-pi%2Fit%2Fsd-card-classes%2F\" title=\"Condividi su Facebook\" aria-label=\"Condividi su Facebook\" role=\"button\" rel=\"nofollow\" class=\"shariff-link\" style=\"; background-color:#3b5998; color:#3b5998\" target=\"_blank\"><span class=\"shariff-icon\" style=\"fill:#3b5998\"><svg width=\"32px\" height=\"20px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 18 32\"><path fill=\"#3b5998\" d=\"M17.1 0.2v4.7h-2.8q-1.5 0-2.1 0.6t-0.5 1.9v3.4h5.2l-0.7 5.3h-4.5v13.6h-5.5v-13.6h-4.5v-5.3h4.5v-3.9q0-3.3 1.9-5.2t5-1.8q2.6 0 4.1 0.2z\"\/><\/svg><\/span><span class=\"shariff-text\" style=\"color:#3b5998\">condividi<\/span>&nbsp;<\/a><\/li><li class=\"shariff-button telegram shariff-nocustomcolor\" style=\"background-color:#4084A6\"><a href=\"https:\/\/telegram.me\/share\/url?url=https%3A%2F%2Fpicockpit.com%2Fraspberry-pi%2Fit%2Fsd-card-classes%2F&text=Part%201%20%E2%80%93%20How%20to%20classify%20SD%20Cards%20and%20choose%20the%20right%20Card%20for%20an%20Application\" title=\"Condividi su Telegram\" aria-label=\"Condividi su Telegram\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; background-color:#0088cc; color:#0088cc\" target=\"_blank\"><span class=\"shariff-icon\" style=\"fill:#0088cc\"><svg width=\"32px\" height=\"20px\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 32 32\"><path fill=\"#0088cc\" d=\"M30.8 6.5l-4.5 21.4c-.3 1.5-1.2 1.9-2.5 1.2L16.9 24l-3.3 3.2c-.4.4-.7.7-1.4.7l.5-7L25.5 9.2c.6-.5-.1-.8-.9-.3l-15.8 10L2 16.7c-1.5-.5-1.5-1.5.3-2.2L28.9 4.3c1.3-.5 2.3.3 1.9 2.2z\"\/><\/svg><\/span><span class=\"shariff-text\" style=\"color:#0088cc\">condividi<\/span>&nbsp;<\/a><\/li><li class=\"shariff-button reddit shariff-nocustomcolor\" style=\"background-color:#ff5700\"><a href=\"https:\/\/www.reddit.com\/submit?url=https%3A%2F%2Fpicockpit.com%2Fraspberry-pi%2Fit%2Fsd-card-classes%2F\" title=\"Condividi su Reddit\" aria-label=\"Condividi su Reddit\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; background-color:#ff4500; color:#ff4500\" target=\"_blank\"><span class=\"shariff-icon\" style=\"fill:#ff4500\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\"><path fill=\"#ff4500\" d=\"M440.3 203.5c-15 0-28.2 6.2-37.9 15.9-35.7-24.7-83.8-40.6-137.1-42.3L293 52.3l88.2 19.8c0 21.6 17.6 39.2 39.2 39.2 22 0 39.7-18.1 39.7-39.7s-17.6-39.7-39.7-39.7c-15.4 0-28.7 9.3-35.3 22l-97.4-21.6c-4.9-1.3-9.7 2.2-11 7.1L246.3 177c-52.9 2.2-100.5 18.1-136.3 42.8-9.7-10.1-23.4-16.3-38.4-16.3-55.6 0-73.8 74.6-22.9 100.1-1.8 7.9-2.6 16.3-2.6 24.7 0 83.8 94.4 151.7 210.3 151.7 116.4 0 210.8-67.9 210.8-151.7 0-8.4-.9-17.2-3.1-25.1 49.9-25.6 31.5-99.7-23.8-99.7zM129.4 308.9c0-22 17.6-39.7 39.7-39.7 21.6 0 39.2 17.6 39.2 39.7 0 21.6-17.6 39.2-39.2 39.2-22 .1-39.7-17.6-39.7-39.2zm214.3 93.5c-36.4 36.4-139.1 36.4-175.5 0-4-3.5-4-9.7 0-13.7 3.5-3.5 9.7-3.5 13.2 0 27.8 28.5 120 29 149 0 3.5-3.5 9.7-3.5 13.2 0 4.1 4 4.1 10.2.1 13.7zm-.8-54.2c-21.6 0-39.2-17.6-39.2-39.2 0-22 17.6-39.7 39.2-39.7 22 0 39.7 17.6 39.7 39.7-.1 21.5-17.7 39.2-39.7 39.2z\"\/><\/svg><\/span><span class=\"shariff-text\" style=\"color:#ff4500\">condividi<\/span>&nbsp;<\/a><\/li><\/ul><\/div>","protected":false},"excerpt":{"rendered":"<p>Le classi di schede SD possono essere a dir poco confuse. Faremo un po' di luce sull'argomento e spiegheremo come scegliere la migliore scheda per la vostra applicazione. Questo post fa parte di una mini serie in tre parti sulle schede SD con alcune informazioni approfondite. Parte 1 - Come classificare le schede SD...<\/p>","protected":false},"author":3,"featured_media":1976,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[165],"tags":[169,176,171,170,167,166,168,173,172,175,174],"class_list":["post-1963","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sd-cards","tag-card","tag-classes","tag-micro","tag-mini","tag-sd","tag-sd-card","tag-sda","tag-sdhc","tag-sdsc","tag-sduc","tag-sdxc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Part 1 - How to classify SD Cards and choose the right Card for an Application | PiCockpit<\/title>\n<meta name=\"description\" content=\"SD Card classes can be confusing. We will explain the meaning behind the different classes and how to choose the best Card for an application\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/picockpit.com\/raspberry-pi\/it\/sd-card-classes\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Part 1 - How to classify SD Cards and choose the right Card for an Application | PiCockpit\" \/>\n<meta property=\"og:description\" content=\"SD Card classes can be confusing. 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