Virtalähteet

Tasainen ja riittävä virransyöttö komponenteille on välttämätöntä tietokoneen optimaaliselle toiminnalle – hanki siis virtalähde Verkkiksen laajasta valikoimasta! Meiltä löydät laadukkaat virtalähteet usealta huippuvalmistajalta.

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Teksti:"Reilusti asiakkaan puolella". Yläpuolella kolme sakarainen kruunu-logo.
Teksti:"Todennäköisesti aina halvempi". Yläpuolella prosentti-logo.
Teksti:"Sujuvin asiointi ja nopeimmat toimitukset". Yläpuolella juokseva mies -logo.
Tesksti:"Pidetyin, monipuolisin ja laadukkain valikoima". Vieressä kuva hampurilais menusta (kolme viivaa päällekkäin) ja hiiren kursorista.

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Virtalähde – tietokoneen tehonsyöttö kuntoon

Virtalähde eli PSU muuntaa verkkovirran tietokoneen komponenttien tarvitsemaksi tasavirraksi. Oikein mitoitettu virtalähde takaa järjestelmän vakaan toiminnan myös kuormitushuippujen aikana. Virtalähteen teholuokka ilmoitetaan watteina, ja sopiva teho riippuu koneen komponenteista, erityisesti prosessorista ja näytönohjaimesta.

Valikoimastamme löydät virtalähteet niin perustyöasemiin kuin vaativiin pelikoneisiin. Teholuokat vaihtelevat muutamasta sadasta watista yli tuhanteen wattiin, joten jokaiselle kokoonpanolle löytyy sopiva vaihtoehto.

Miten valita oikea PSU?

Virtalähteen valinnassa kannattaa huomioida muutama keskeinen tekijä, jotka vaikuttavat järjestelmän toimintaan ja käyttökokemukseen.

  • Teholuokka – riittävä wattimäärä koko kokoonpanolle ja pieni ylikapasiteetti tulevaisuuden päivityksiä varten
  • Hyötysuhde – 80 PLUS -sertifiointi (Bronze–Titanium) kertoo energiatehokkuudesta ja vaikuttaa hukkalämpöön sekä sähkönkulutukseen
  • Modulaarisuus – täysin modulaarinen, puolimodulaarinen tai kiinteä kaapelointi vaikuttaa kotelon siisteyteen ja ilmankiertoon

Hyödyllinen työkalu on verkosta löytyvä PSU-laskin, johon syöttämällä komponenttitiedot saat arvion tarvittavasta tehosta.

Virtalähteiden merkit ja sertifioinnit

Verkkokauppa.comin valikoimasta löydät virtalähteet tunnetuilta valmistajilta, kuten Corsair, be quiet!, ASUS, Seasonic ja NZXT. Nämä merkit tunnetaan luotettavuudestaan ja pitkästä käyttöiästään. Monissa malleissa on usean vuoden takuu, mikä kertoo valmistajan luottamuksesta tuotteen kestävyyteen.

ATX-standardin mukainen virtalähde sopii suurimpaan osaan pöytätietokoneista. SFX-virtalähteet puolestaan on suunniteltu pieniin Mini-ITX-koteloihin, joissa tila on rajallinen. Tarkista aina virtalähteen yhteensopivuus oman kotelosi kanssa ennen ostopäätöstä.

Tilaa virtalähde Verkkokauppa.comilta

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