{"id":9981,"date":"2026-03-03T18:24:52","date_gmt":"2026-03-03T17:24:52","guid":{"rendered":"https:\/\/www.datasystem.es\/nuevo\/?p=9981"},"modified":"2026-03-03T18:28:28","modified_gmt":"2026-03-03T17:28:28","slug":"como-funciona-un-disco-duro-hdd-y-en-que-se-diferencia-de-un-ssd","status":"publish","type":"post","link":"https:\/\/www.datasystem.es\/nuevo\/como-funciona-un-disco-duro-hdd-y-en-que-se-diferencia-de-un-ssd\/","title":{"rendered":"\u00bfC\u00f3mo funciona un disco duro HDD y en qu\u00e9 se diferencia de un SSD?:"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" width=\"740\" height=\"493\" data-src=\"https:\/\/www.datasystem.es\/nuevo\/wp-content\/uploads\/2026\/03\/image-7-1.jpg\" alt=\"Imagen en alta definicion de un disco duro HDD\" class=\"wp-image-9983 lazyload\" style=\"--smush-placeholder-width: 740px; --smush-placeholder-aspect-ratio: 740\/493;aspect-ratio:1.5010776545166402;width:680px;height:auto\" data-srcset=\"https:\/\/www.datasystem.es\/nuevo\/wp-content\/uploads\/2026\/03\/image-7-1.jpg 740w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/uploads\/2026\/03\/image-7-1-300x200.jpg 300w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/uploads\/2026\/03\/image-7-1-18x12.jpg 18w\" data-sizes=\"(max-width: 740px) 100vw, 740px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/figure>\n<\/div>\n\n\n<div style=\"height:67px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Aunque hoy en d\u00eda los SSD dominan el mercado, los discos duros tradicionales siguen presentes en muchos ordenadores. Entender c\u00f3mo funciona un disco duro HDD es clave para comprender por qu\u00e9 todav\u00eda se utilizan y cu\u00e1les son sus limitaciones frente a tecnolog\u00edas m\u00e1s modernas. No todo es cuesti\u00f3n de velocidad; tambi\u00e9n influyen factores como capacidad, precio y durabilidad.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-que-es-un-hdd-y-como-almacena-la-informacion\">\u2b9e Qu\u00e9 es un HDD y c\u00f3mo almacena la informaci\u00f3n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Para comprender c\u00f3mo funciona un disco duro HDD, primero hay que visualizar su estructura interna. Un HDD (Hard Disk Drive) est\u00e1 compuesto por varios platos met\u00e1licos que giran a gran velocidad. Sobre esos platos, un cabezal de lectura y escritura se mueve f\u00edsicamente para acceder a los datos almacenados magn\u00e9ticamente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cada vez que guardas un archivo, el disco escribe informaci\u00f3n en sectores espec\u00edficos del plato. Cuando necesitas abrirlo, el cabezal debe desplazarse hasta la ubicaci\u00f3n exacta mientras el disco sigue girando. Este proceso mec\u00e1nico es la principal raz\u00f3n por la que los HDD son m\u00e1s lentos que los SSD.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"775\" data-src=\"https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-8-1024x775.png.webp\" alt=\"Imagen de la carcasa de un disco duro\" class=\"wp-image-9985 lazyload\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/775;aspect-ratio:1.3209818905570436;width:383px;height:auto\" data-srcset=\"https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-8-1024x775.png.webp 1024w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-8-300x227.png.webp 300w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-8-768x581.png.webp 768w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-8-16x12.png.webp 16w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-8.png.webp 1280w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">\u2b9e Velocidad y latencia: el punto clave para entender c\u00f3mo funciona un disco duro HDD<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Una de las caracter\u00edsticas m\u00e1s importantes al analizar c\u00f3mo funciona un disco duro HDD es su velocidad de rotaci\u00f3n, medida en revoluciones por minuto (RPM). Los modelos m\u00e1s comunes giran a 5.400 o 7.200 RPM. Cuanto mayor es esta cifra, menor es el tiempo que tarda el disco en localizar los datos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sin embargo, al depender de componentes mec\u00e1nicos, siempre existe una latencia f\u00edsica. El cabezal necesita moverse y esperar a que el plato gire hasta la posici\u00f3n correcta. Esa limitaci\u00f3n no se puede eliminar, lo que marca la diferencia frente a unidades SSD, que no tienen partes m\u00f3viles.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" width=\"740\" height=\"740\" data-src=\"https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-9-1.jpg.webp\" alt=\"Dibujo de un disco duro con fondo azul\" class=\"wp-image-9987 lazyload\" style=\"--smush-placeholder-width: 740px; --smush-placeholder-aspect-ratio: 740\/740;width:366px;height:auto\" data-srcset=\"https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-9-1.jpg.webp 740w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/uploads\/2026\/03\/image-9-1-300x300.jpg 300w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/uploads\/2026\/03\/image-9-1-150x150.jpg 150w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/uploads\/2026\/03\/image-9-1-12x12.jpg 12w\" data-sizes=\"(max-width: 740px) 100vw, 740px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-diferencias-practicas-frente-a-un-ssd\">\u2b9e Diferencias pr\u00e1cticas frente a un SSD<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Al comparar c\u00f3mo funciona un disco duro HDD con un SSD, la diferencia principal es la tecnolog\u00eda de almacenamiento. Mientras el HDD utiliza magnetismo y movimiento f\u00edsico, el SSD emplea memoria flash para acceder a los datos de forma casi instant\u00e1nea.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En el uso diario, esto se traduce en tiempos de arranque m\u00e1s largos, cargas m\u00e1s lentas y menor velocidad al transferir archivos grandes en un HDD. Sin embargo, siguen siendo una opci\u00f3n interesante cuando se necesita almacenar grandes cantidades de datos a un coste reducido, como bibliotecas multimedia o copias de seguridad.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"1024\" data-src=\"https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-10-1024x1024.png.webp\" alt=\"Imagen en alta definici\u00f3n de un disco duro\" class=\"wp-image-9989 lazyload\" style=\"--smush-placeholder-width: 1024px; --smush-placeholder-aspect-ratio: 1024\/1024;width:254px;height:auto\" data-srcset=\"https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-10-1024x1024.png.webp 1024w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-10-300x300.png.webp 300w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-10-150x150.png.webp 150w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-10-768x768.png.webp 768w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-10-1536x1536.png.webp 1536w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-10-2048x2048.png.webp 2048w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/03\/image-10-12x12.png.webp 12w\" data-sizes=\"(max-width: 1024px) 100vw, 1024px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-ventajas-y-limitaciones-en-el-entorno-actual\">\u2b9e Ventajas y limitaciones en el entorno actual<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Aunque los SSD han ganado protagonismo, entender c\u00f3mo funciona un disco duro HDD ayuda a valorar su papel actual. Ofrecen mayor capacidad por menos dinero y siguen siendo fiables para almacenamiento masivo. No obstante, son m\u00e1s sensibles a golpes f\u00edsicos debido a sus piezas m\u00f3viles y generan m\u00e1s ruido y calor.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En definitiva, c\u00f3mo funciona un disco duro HDD explica tanto sus fortalezas como sus debilidades. Si buscas velocidad y rendimiento, el SSD es la opci\u00f3n clara. Pero si priorizas capacidad y precio, el HDD contin\u00faa siendo una alternativa v\u00e1lida en muchos equipos.<\/p>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"1080\" style=\"aspect-ratio: 1080 \/ 1080;\" width=\"1080\" controls src=\"https:\/\/www.datasystem.es\/nuevo\/wp-content\/uploads\/2026\/03\/Video-HDD.mp4\"><\/video><\/figure>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-100\"><a class=\"wp-block-button__link has-white-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.datasystem.es\/nuevo\/\" style=\"border-top-left-radius:64px;border-top-right-radius:64px;border-bottom-left-radius:64px;border-bottom-right-radius:64px;background-color:#02bcbb\">Vis\u00edtanos!<\/a><\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-otros-articulos-interesantes\">Otros art\u00edculos interesantes<\/h3>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-8f761849 wp-block-group-is-layout-flex\">\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-spinformatica wp-block-embed-spinformatica\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"KYtpgXHwBO\"><a href=\"https:\/\/www.datasystem.es\/nuevo\/proton-en-steam-linux-steam-deck-como-activar-logs-mejorar-compatibilidad-y-solucionar-fallos-comunes\/\">Proton en Steam (Linux\/Steam Deck): \u00bfc\u00f3mo activar logs, mejorar compatibilidad y solucionar fallos comunes?<\/a><\/blockquote><iframe class=\"wp-embedded-content lazyload\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u00abProton en Steam (Linux\/Steam Deck): \u00bfc\u00f3mo activar logs, mejorar compatibilidad y solucionar fallos comunes?\u00bb \u2014 SPInformatica\" data-src=\"https:\/\/www.datasystem.es\/nuevo\/proton-en-steam-linux-steam-deck-como-activar-logs-mejorar-compatibilidad-y-solucionar-fallos-comunes\/embed\/#?secret=fSQJ5VubVX#?secret=KYtpgXHwBO\" data-secret=\"KYtpgXHwBO\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" data-load-mode=\"1\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-wp-embed is-provider-spinformatica wp-block-embed-spinformatica\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"maTcStCiCH\"><a href=\"https:\/\/www.datasystem.es\/nuevo\/que-es-nfc-y-por-que-aparece-en-fraudes\/\">Qu\u00e9 es NFC y por qu\u00e9 aparece en fraudes<\/a><\/blockquote><iframe class=\"wp-embedded-content lazyload\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; 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visibility: hidden;\" title=\"\u00abQu\u00e9 es el ransomware como servicio (RaaS)\u00bb \u2014 SPInformatica\" data-src=\"https:\/\/www.datasystem.es\/nuevo\/que-es-el-ransomware-como-servicio-raas\/embed\/#?secret=g7lEqUIJEC#?secret=azU36d97Nb\" data-secret=\"azU36d97Nb\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" data-load-mode=\"1\"><\/iframe>\n<\/div><\/figure>\n<\/div>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.tiktok.com\/@datasystem\" rel=\"Tiktok de datasystem\"><img decoding=\"async\" width=\"350\" height=\"350\" data-id=\"8970\" data-src=\"https:\/\/www.datasystem.es\/nuevo\/wp-content\/uploads\/2026\/01\/tiktok-logo-tikok-icon-transparent-tikok-app-logo-free-png.png\" alt=\"Tiktok\" class=\"wp-image-8970 lazyload\" data-srcset=\"https:\/\/www.datasystem.es\/nuevo\/wp-content\/uploads\/2026\/01\/tiktok-logo-tikok-icon-transparent-tikok-app-logo-free-png.png 350w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/01\/tiktok-logo-tikok-icon-transparent-tikok-app-logo-free-png-300x300.png.webp 300w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/01\/tiktok-logo-tikok-icon-transparent-tikok-app-logo-free-png-150x150.png.webp 150w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/01\/tiktok-logo-tikok-icon-transparent-tikok-app-logo-free-png-12x12.png.webp 12w\" data-sizes=\"(max-width: 350px) 100vw, 350px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 350px; --smush-placeholder-aspect-ratio: 350\/350;\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.instagram.com\/datasystem.es\/\" rel=\"Red social de datasystem\"><img decoding=\"async\" width=\"350\" height=\"350\" data-id=\"8972\" data-src=\"https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/01\/tiktok-logo-tikok-icon-transparent-tikok-app-logo-free-png-1.png.webp\" alt=\"Instagram\" class=\"wp-image-8972 lazyload\" data-srcset=\"https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/01\/tiktok-logo-tikok-icon-transparent-tikok-app-logo-free-png-1.png.webp 350w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/01\/tiktok-logo-tikok-icon-transparent-tikok-app-logo-free-png-1-300x300.png.webp 300w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/01\/tiktok-logo-tikok-icon-transparent-tikok-app-logo-free-png-1-150x150.png.webp 150w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/uploads\/2026\/01\/tiktok-logo-tikok-icon-transparent-tikok-app-logo-free-png-1-12x12.png 12w\" data-sizes=\"(max-width: 350px) 100vw, 350px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 350px; --smush-placeholder-aspect-ratio: 350\/350;\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/x.com\/datasystemm\" rel=\"Twitter de datasystem\"><img decoding=\"async\" width=\"320\" height=\"320\" data-id=\"8974\" data-src=\"https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/01\/twitter-x-logo-png_seeklogo-492396-1.png.webp\" alt=\"Twitter\" class=\"wp-image-8974 lazyload\" data-srcset=\"https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/01\/twitter-x-logo-png_seeklogo-492396-1.png.webp 320w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/01\/twitter-x-logo-png_seeklogo-492396-1-300x300.png.webp 300w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/smush-webp\/2026\/01\/twitter-x-logo-png_seeklogo-492396-1-150x150.png.webp 150w, https:\/\/www.datasystem.es\/nuevo\/wp-content\/uploads\/2026\/01\/twitter-x-logo-png_seeklogo-492396-1-12x12.png 12w\" data-sizes=\"(max-width: 320px) 100vw, 320px\" src=\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\" style=\"--smush-placeholder-width: 320px; --smush-placeholder-aspect-ratio: 320\/320;\" \/><\/a><\/figure>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aunque hoy en d\u00eda los SSD dominan el mercado, los discos duros tradicionales siguen presentes en muchos ordenadores. Entender c\u00f3mo funciona un disco duro HDD es clave para comprender por qu\u00e9 todav\u00eda se utilizan y cu\u00e1les son sus limitaciones frente a tecnolog\u00edas m\u00e1s modernas. No todo es cuesti\u00f3n de velocidad; tambi\u00e9n influyen factores como capacidad, [&hellip;]<\/p>\n","protected":false},"author":26,"featured_media":9992,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[91,157],"tags":[18,172,114,95],"class_list":["post-9981","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-consejos-sobre-harware","category-protege-tus-datos","tag-benefits","tag-consejos","tag-guia","tag-hardware"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\u00bfC\u00f3mo funciona un disco duro HDD y en qu\u00e9 se diferencia de un SSD?: - SPInformatica<\/title>\n<meta name=\"description\" content=\"Descubre c\u00f3mo funciona un disco duro HDD y en qu\u00e9 se diferencia de un SSD en velocidad, 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