{"id":137,"date":"2016-11-17T16:07:51","date_gmt":"2016-11-17T15:07:51","guid":{"rendered":"https:\/\/www.informaticapremium.com\/blog\/?p=137"},"modified":"2018-11-09T18:12:43","modified_gmt":"2018-11-09T17:12:43","slug":"nvme-vs-ahci-almacenamiento","status":"publish","type":"post","link":"https:\/\/www.informaticapremium.com\/blog\/nvme-vs-ahci-almacenamiento\/","title":{"rendered":"NVMe vs AHCI: Almacenamiento &#8211; informaticapremium"},"content":{"rendered":"<p style=\"text-align: justify;\">NVMe (Non Volatile Memory Express) es el nuevo standard sustituto de AHCI para almacenamiento s\u00f3lido. En este art\u00edculo detallo las diferencias del protocolo NVMe vs AHCI.<\/p>\n<figure id=\"attachment_138\" aria-describedby=\"caption-attachment-138\" style=\"width: 316px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.nvmexpress.org\/wp-content\/uploads\/2013\/04\/IDF-2012-NVM-Express-and-the-PCI-Express-SSD-Revolution.pdf\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-138 size-full\" title=\"NVMe - Non Volatile Memory Express\" src=\"https:\/\/i0.wp.com\/www.informaticapremium.com\/blog\/wp-content\/uploads\/2016\/11\/NVMe.jpg?resize=316%2C112&#038;ssl=1\" alt=\"NVMe - Non Volatile Memory Express\" width=\"316\" height=\"112\" srcset=\"https:\/\/i0.wp.com\/www.informaticapremium.com\/blog\/wp-content\/uploads\/2016\/11\/NVMe.jpg?w=316&amp;ssl=1 316w, https:\/\/i0.wp.com\/www.informaticapremium.com\/blog\/wp-content\/uploads\/2016\/11\/NVMe.jpg?resize=300%2C106&amp;ssl=1 300w\" sizes=\"(max-width: 316px) 85vw, 316px\" data-recalc-dims=\"1\" \/><\/a><figcaption id=\"caption-attachment-138\" class=\"wp-caption-text\">NVMe &#8211; Non Volatile Memory Express<\/figcaption><\/figure>\n<p>La interfaz NVMe est\u00e1 dise\u00f1ado para aumentar significativamente la velocidad de nuestro almacenamiento.<\/p>\n<p>NVMe vs AHCI aporta reducidas\u00a0latencias y alta concurrencia de accesos al dispositivo Flash SSD. Normalmente\u00a0a trav\u00e9s de buses PCIe y\u00a0en nuevos formatos como el M.2, por ejemplo, los Samsung 960 Evo y 960 Pro.<\/p>\n<p><!--more--><\/p>\n<figure id=\"attachment_186\" aria-describedby=\"caption-attachment-186\" style=\"width: 768px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-186 size-full\" src=\"https:\/\/i0.wp.com\/www.informaticapremium.com\/blog\/wp-content\/uploads\/2016\/11\/Samsung-960-Pro.jpg?resize=768%2C332&#038;ssl=1\" alt=\"Samsung 960 Pro SSD M.2 NVMe\" width=\"768\" height=\"332\" srcset=\"https:\/\/i0.wp.com\/www.informaticapremium.com\/blog\/wp-content\/uploads\/2016\/11\/Samsung-960-Pro.jpg?w=768&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.informaticapremium.com\/blog\/wp-content\/uploads\/2016\/11\/Samsung-960-Pro.jpg?resize=300%2C130&amp;ssl=1 300w\" sizes=\"(max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px\" data-recalc-dims=\"1\" \/><figcaption id=\"caption-attachment-186\" class=\"wp-caption-text\">Samsung 960 Pro SSD M.2 NVMe<\/figcaption><\/figure>\n<h5><strong>NVMe vs AHCI<\/strong><\/h5>\n<figure id=\"attachment_140\" aria-describedby=\"caption-attachment-140\" style=\"width: 788px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.nvmexpress.org\/wp-content\/uploads\/2013\/04\/IDF-2012-NVM-Express-and-the-PCI-Express-SSD-Revolution.pdf\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-140 size-full\" title=\"NVMe vs AHCI\" src=\"https:\/\/i0.wp.com\/www.informaticapremium.com\/blog\/wp-content\/uploads\/2016\/11\/NVMe-AHCI-01.jpg?resize=788%2C94&#038;ssl=1\" alt=\"NVMe vs AHCI\" width=\"788\" height=\"94\" srcset=\"https:\/\/i0.wp.com\/www.informaticapremium.com\/blog\/wp-content\/uploads\/2016\/11\/NVMe-AHCI-01.jpg?w=788&amp;ssl=1 788w, https:\/\/i0.wp.com\/www.informaticapremium.com\/blog\/wp-content\/uploads\/2016\/11\/NVMe-AHCI-01.jpg?resize=300%2C36&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.informaticapremium.com\/blog\/wp-content\/uploads\/2016\/11\/NVMe-AHCI-01.jpg?resize=768%2C92&amp;ssl=1 768w\" sizes=\"(max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px\" data-recalc-dims=\"1\" \/><\/a><figcaption id=\"caption-attachment-140\" class=\"wp-caption-text\">NVMe vs AHCI<\/figcaption><\/figure>\n<p style=\"text-align: justify;\">AHCI\u00a0(Advanced Host Controller Interface) fue un gran avance en su\u00a0\u00e9poca para discos duros mec\u00e1nicos SATA.<\/p>\n<p style=\"text-align: justify;\">Dotaba de cola de comandos y reordenaci\u00f3n de accesos a los discos duros convencionales (mec\u00e1nicos con medio magn\u00e9tico), con lo que se aumentaba notablemente la velocidad del sistema.<\/p>\n<p style=\"text-align: justify;\">AHCI proporciona una cola de 32\u00a0comandos y reordenaci\u00f3n de los accesos en funci\u00f3n de si est\u00e1n m\u00e1s o menos disponibles en el tiempo.<\/p>\n<figure id=\"attachment_139\" aria-describedby=\"caption-attachment-139\" style=\"width: 775px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.nvmexpress.org\/wp-content\/uploads\/2013\/04\/IDF-2012-NVM-Express-and-the-PCI-Express-SSD-Revolution.pdf\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-139 size-full\" title=\"NVMe vs AHCI\" src=\"https:\/\/i0.wp.com\/www.informaticapremium.com\/blog\/wp-content\/uploads\/2016\/11\/NVMe-Performance.jpg?resize=775%2C492&#038;ssl=1\" alt=\"NVMe vs AHCI\" width=\"775\" height=\"492\" srcset=\"https:\/\/i0.wp.com\/www.informaticapremium.com\/blog\/wp-content\/uploads\/2016\/11\/NVMe-Performance.jpg?w=775&amp;ssl=1 775w, https:\/\/i0.wp.com\/www.informaticapremium.com\/blog\/wp-content\/uploads\/2016\/11\/NVMe-Performance.jpg?resize=300%2C190&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.informaticapremium.com\/blog\/wp-content\/uploads\/2016\/11\/NVMe-Performance.jpg?resize=768%2C488&amp;ssl=1 768w\" sizes=\"(max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px\" data-recalc-dims=\"1\" \/><\/a><figcaption id=\"caption-attachment-139\" class=\"wp-caption-text\">NVMe vs AHCI, caracter\u00edsticas.<\/figcaption><\/figure>\n<p style=\"text-align: justify;\">Fue con la llegada de los discos de estado s\u00f3lido SSD en formato SATA2 a 300MBps y posteriormente SATA3 a 600 MBps, con sus brutales velocidades de acceso comparadas con los discos mec\u00e1nicos, que AHCI revel\u00f3 todas sus carencias.<\/p>\n<p style=\"text-align: justify;\">AHCI limitaba mucho su velocidad, ah\u00ed naci\u00f3 la necesidad de un nuevo standard: el NVMe.<\/p>\n<p style=\"text-align: justify;\">NVMe con sus 64K colas de hasta 64K comandos por cola proporciona unas capacidades de reordenaci\u00f3n y de accesos simult\u00e1neos impensables con el protocolo AHCI.<\/p>\n<p style=\"text-align: justify;\">Ademas, NVMe proporciona un soporte completo de acceso simult\u00e1neo desde diferentes threads, cores o procesadores l\u00f3gicos.<\/p>\n<figure id=\"attachment_143\" aria-describedby=\"caption-attachment-143\" style=\"width: 783px\" class=\"wp-caption aligncenter\"><a href=\"http:\/\/www.flashmemorysummit.com\/English\/Collaterals\/Proceedings\/2013\/20130813_A11_Huffman.pdf\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-143 size-full\" src=\"https:\/\/i0.wp.com\/www.informaticapremium.com\/blog\/wp-content\/uploads\/2016\/11\/NVMe-PCIe3.jpg?resize=783%2C561&#038;ssl=1\" alt=\"Futuro NVMe\" width=\"783\" height=\"561\" srcset=\"https:\/\/i0.wp.com\/www.informaticapremium.com\/blog\/wp-content\/uploads\/2016\/11\/NVMe-PCIe3.jpg?w=783&amp;ssl=1 783w, https:\/\/i0.wp.com\/www.informaticapremium.com\/blog\/wp-content\/uploads\/2016\/11\/NVMe-PCIe3.jpg?resize=300%2C215&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.informaticapremium.com\/blog\/wp-content\/uploads\/2016\/11\/NVMe-PCIe3.jpg?resize=768%2C550&amp;ssl=1 768w\" sizes=\"(max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px\" data-recalc-dims=\"1\" \/><\/a><figcaption id=\"caption-attachment-143\" class=\"wp-caption-text\">El presente del standard NVMe<\/figcaption><\/figure>\n<h5 style=\"text-align: justify;\">Drivers NVMe: nativos de sistema operativo vs propietarios<\/h5>\n<p style=\"text-align: justify;\">NVMe requiere drivers para que el sistema operativo entienda la interfaz. Desde Windows 8.1 Microsoft integra un driver gen\u00e9rico NVMe con el sistema.<\/p>\n<p style=\"text-align: justify;\">Emp\u00edricamente ofrece buenas prestaciones y un muy bajo consumo energ\u00e9tico, pero cada fabricante tiene su propio driver NVMe.<\/p>\n<p style=\"text-align: justify;\">Estos drivers NVMe propietarios aportan prestaciones mejoradas, a veces muy mejoradas, a costa de un incremento claro en el consumo, temperatura y disipaci\u00f3n t\u00e9rmica del dispositivo NVMe SSD.<\/p>\n<figure id=\"attachment_161\" aria-describedby=\"caption-attachment-161\" style=\"width: 600px\" class=\"wp-caption aligncenter\"><a href=\"Sansung 960 Evo NVMe driver: Samsung vs Microsoft\"><img decoding=\"async\" loading=\"lazy\" class=\"wp-image-161 size-full\" title=\"Sansung 960 Evo NVMe driver: Samsung vs Microsoft\" src=\"https:\/\/i0.wp.com\/www.informaticapremium.com\/blog\/wp-content\/uploads\/2016\/11\/Toms-Hardware_Samsung-960-Evo.png?resize=600%2C450&#038;ssl=1\" alt=\"Sansung 960 Evo NVMe driver: Samsung vs Microsoft\" width=\"600\" height=\"450\" srcset=\"https:\/\/i0.wp.com\/www.informaticapremium.com\/blog\/wp-content\/uploads\/2016\/11\/Toms-Hardware_Samsung-960-Evo.png?w=600&amp;ssl=1 600w, https:\/\/i0.wp.com\/www.informaticapremium.com\/blog\/wp-content\/uploads\/2016\/11\/Toms-Hardware_Samsung-960-Evo.png?resize=300%2C225&amp;ssl=1 300w\" sizes=\"(max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px\" data-recalc-dims=\"1\" \/><\/a><figcaption id=\"caption-attachment-161\" class=\"wp-caption-text\">Sansung 960 Evo NVMe driver: Samsung vs Microsoft<\/figcaption><\/figure>\n<p style=\"text-align: justify;\">Un ejemplo t\u00edpico\u00a0son los nuevos SSD PCIe\u00a03.0 M.2 Samsung 960 en versiones Evo y Pro. Ambos mejoran de manera importante su velocidad con el driver NVMe propietario del fabricante\u00a0pero\u00a0incrementan su consumo energ\u00e9tico y su temperatura de forma notable.<\/p>\n<h5 style=\"text-align: justify;\">Documentaci\u00f3n adicional:<\/h5>\n<ul>\n<li><a href=\"http:\/\/www.nvmexpress.org\/wp-content\/uploads\/2013\/04\/IDF-2012-NVM-Express-and-the-PCI-Express-SSD-Revolution.pdf\" target=\"_blank\" rel=\"noopener\">NVM Express and the PCI Express* SSD Revolution<\/a><\/li>\n<li><a href=\"http:\/\/www.flashmemorysummit.com\/English\/Collaterals\/Proceedings\/2013\/20130813_A11_Huffman.pdf\" target=\"_blank\" rel=\"noopener\">NVM Express Overview &amp; Ecosystem Update<\/a><\/li>\n<li><a href=\"http:\/\/www.flashmemorysummit.com\/English\/Conference\/Proceedings_Chrono.html\" target=\"_blank\" rel=\"noopener\">Flash Memory Summit 2016 Proceedings<\/a><\/li>\n<\/ul>\n<p style=\"text-align: justify;\">Hasta aqu\u00ed otro de mis art\u00edculos en <strong>informaticapremium<\/strong> sobre lo \u00faltimo en <strong>hardware<\/strong>, <strong>sistemas<\/strong>, <strong>almacenamiento<\/strong>, <strong>redes<\/strong>, <strong>programaci\u00f3n<\/strong>, <strong>dise\u00f1o web<\/strong>, <strong>recuperaci\u00f3n de datos<\/strong> y actualidad del mundo de la <strong>t\u00e9cnica<\/strong> y la <strong>inform\u00e1tica<\/strong>. Nos vemos en breve.<\/p>\n<p style=\"text-align: justify;\">Carlos Yus Valero.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>NVMe (Non Volatile Memory Express) es el nuevo standard sustituto de AHCI para almacenamiento s\u00f3lido. En este art\u00edculo detallo las diferencias del protocolo NVMe vs AHCI. La interfaz NVMe est\u00e1 dise\u00f1ado para aumentar significativamente la velocidad de nuestro almacenamiento. NVMe vs AHCI aporta reducidas\u00a0latencias y alta concurrencia de accesos al dispositivo Flash SSD. Normalmente\u00a0a trav\u00e9s &hellip; <a href=\"https:\/\/www.informaticapremium.com\/blog\/nvme-vs-ahci-almacenamiento\/\" class=\"more-link\">Continuar leyendo<span class=\"screen-reader-text\"> \u00abNVMe vs AHCI: Almacenamiento &#8211; informaticapremium\u00bb<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":186,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","footnotes":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[59,6,4],"tags":[55,74,53,78,79,54,57,50,58,52,56,77,76,179,51],"jetpack_publicize_connections":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>NVMe vs AHCI: Almacenamiento - informaticapremium - Blog | informaticapremium<\/title>\n<meta name=\"description\" content=\"NVMe es el nuevo standard sustituto de AHCI para almacenamiento s\u00f3lido. 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