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Qu'est-ce que la mémoire RAM ?

La mémoire RAM (Random Access Memory) est un composant essentiel qui stocke temporairement les données utilisées par le système et les applications. Elle permet un accès rapide aux informations, améliorant ainsi les performances de l'ordinateur. Contrairement aux disques durs et SSD, son contenu est effacé à chaque extinction du PC.

Types de mémoire RAM

La RAM a évolué au fil du temps. Aujourd?hui, les plus courantes sont la DRAM (Dynamic Random Access Memory) et ses variantes DDR (Double Data Rate), qui offrent une meilleure vitesse et une consommation énergétique optimisée.

DDR, DDR2, DDR3, DDR4 et DDR5 : quelles différences ?

Les modules DDR sont une amélioration de la mémoire SDRAM, permettant un transfert plus rapide des données en réalisant deux opérations par cycle d'horloge. Chaque génération (DDR2, DDR3, DDR4, DDR5) augmente la fréquence, réduit la consommation énergétique et améliore la capacité, s?adaptant ainsi aux exigences des systèmes modernes.

Latence et vitesse de la mémoire RAM

Le choix d?une mémoire RAM ne dépend pas uniquement de la capacité (GB). Il est essentiel de considérer :

La latence (exprimée en CL, comme CL16 ou CL18), qui impacte la réactivité du système. Plus elle est faible, mieux c?est.
La fréquence (en MHz), qui définit le nombre de cycles par seconde. Une RAM rapide et à faible latence est idéale pour le gaming, le montage vidéo ou la simulation.

Principaux fabricants de mémoire RAM

Le marché est dominé par Samsung, Micron et SK Hynix, qui produisent la majorité des puces. Des marques comme Corsair, Kingston ou G.Skill conçoivent leurs propres modules en intégrant ces puces et en optimisant leurs performances.Chez PcComponentes, nous proposons une large sélection de mémoires RAM adaptées à tous les besoins. Trouvez le module idéal pour votre configuration et profitez des meilleures offres !","aux2":"","aux3":"","aux4":"","aux5":"{\"name\": \"Kingston Technology\", \"slug\": \"/kingston-technology\"}","aux6":"","seo_element_id":"","faqsText":"","faqsJson":""},"pageMeta":{"index":false,"follow":false,"forceIgnore":true},"hrefLang":[{"domain":"https://www.pccomponentes.com","path":"/memorias-ram/kingston-technology/kit-2x48gb","locale":"es-ES"},{"domain":"https://www.pccomponentes.pt","path":"/memorias-ram/kingston-technology/kit-2x48gb","locale":"pt-PT"},{"domain":"https://www.pccomponentes.fr","path":"/memoires-ram/kingston-technology/kit-2x48gb","locale":"fr-FR"},{"domain":"https://www.pccomponentes.it","path":"/memorie-ram/kingston-technology/kit-2x48gb","locale":"it-IT"},{"domain":"https://www.pccomponentes.de","path":"/ram-speicher/kingston-technology/kit-2x48gb-kit-2x48gb","locale":"de-DE"},{"domain":"https://www.pccomponentes.be","path":"/ram-geheugen/kit-2x48gb","locale":"nl-NL"}],"currentURL":"","params":{"categoryId":"5ece2280-f513-457f-8e52-ca924ad820b1","brand_id":["ded9b162-e81b-4cfc-b26f-b19080a66fd5"],"enum_attribute_7d326f83-e5f5-4355-8bb0-0f7135e232cf":["18bcaf3a-e8c1-4fb2-acff-d21aa11dca46"],"campaignId":"","comparativeId":"","categoryName":"","tagId":"","idShop":"","idPost":"","idArticle":"","family_id":[],"brandId":"","familyId":"","filtersCompositeSlugs":"","collectionParams":{"tags":[],"dfpEnabled":true},"productIdsToCompare":[]}}}},"actionData":null,"errors":null}