AmakhompyuthaImishini

I izici eyinhloko angaphandle kanzima. Amathiphu Ukukhetha

Ngokuthenga PC, abasebenzisi cishe njalo igxile kwemigomo izingxenye computer. Kukhethwa a idrayivu kanzima luvamise kuphela inkomba ivolumu. Le ndlela Yinto embi ngokuphelele, ngoba HDD inikeza isitoreji lonke ulwazi kanye ukufinyelela kwayo. isimo sengqondo sokungakunaki kukhethwa "idrayivu kanzima" uzokwenza umsebenzi ikhompyutha ungakhululekile. Uma isimo siba sibi, ke kufanele ukhokhe ngaphambi kabili njengoba khulu ngoba inqubo alulame idatha. характеристики жестких дисков необходимо обратить пристальное внимание при выборе подобных устройств. Isihloko ekutshela ngalokho izimfanelo hard drive kudingeka siqaphelisise lapho ukhetha mishini.

Uhlolojikelele

Hard Drive - isitoreji sedivayisi lomcoka iningi PC lanamuhla. On kulotshiwe idatha yomsebenzisi, hhayi kuphela kodwa futhi amafayela yesistimu yokusebenza, ngezidingo, izinhlelo.

Yingakho kukhethwa HDD - esingathi sína. Phela, kunoma iyiphi idivayisi kwikhompyutha indawo kalula efanayo. idrayivu kanzima nje kuhlulekile lokho kuzodinga ukuthenga okusha hhayi kuphela HDD, kodwa futhi faka i-OS izinhlelo.

izinyathelo kuqala

Ngaphambi kokuthi uqale isifundo umbuzo, kufanele unqume ukuthi sizosetshenziswa PC, okuyinto efakwe kule drive. Amaqembu main:

  • Notebook imisebenzi yansuku zonke.
  • Inamandla PC amageyimu.
  • Ihhovisi ikhompyutha.
  • izikhungo nesebenzisa izindlela eziningi zokuxhumana.
  • Ukugcina imbewu isikhathi eside amafayela.
  • idrayivu ephathekayo, okungasekelwe njalo axhunyiwe.

какие технические характеристики жесткого диска первостепенны. Kuphela ukucacisa injongo ethile ngokusebenzisa i-PC, ungakwazi ukutshela lapho ezibekiweko of the hard drive kubaluleke kakhulu.

usayizi

Usayizi (noma ifomu factor) inquma ububanzi zedivayisi. It is kulinganiswa ngamasentimitha. ifomu Namuhla Isici cishe bonke ngemoto kuyinto 2.5 / 3.5 intshi. Little ngokuvamile ukufakwa aphathekayo. Okukhulu - owodwa ogcwele PC, kodwa akukho ekukhathaza kuya-2.5 intshi HDD ngekhompyutha, ngoba ukuthi ngisho kukhicite adaptha ekhethekile.

Kukhona izinto ezigcina uzibuthe futhi usayizi ezincane, isib, 1, 0.85, 1.8. Basuke ngokuyinhloko elisetshenziswa kumadivayisi amancane mobile, nakani kubo lapho ekhetha HDD akudingekile.

Usayizi "hard drive" ithola isisindo sayo, kanye onjani ugesi liyadingeka ukushayela umsebenzi wabo. Yingakho HDD yangaphandle cishe njalo zihlanganisa iyunithi-2.5 intshi. характеристики внешних жестких дисков - это масса и малая мощность питания, устройство должно работать от USB-разъема. Phela, izici eziyinhloko i wangaphandle hard drive - yiyona isisindo, futhi ongaphakeme ugesi, lolu cingo kufanele ixhaswe ngabakwa-USB-isixhumi. Uma ingaphakathi HDD mobile ufake drive-3.5 intshi, kuyodingeka uhlele ehlukile ugesi, okuzokwenza Kudingeka unamathele esidayisa odongeni ngoba ukusebenza kahle zedivayisi.

umthamo

Umthamo - HDD ipharamitha yilona olubonisa indlela ukwaziswa okuningi asikwazi ligcinwe ngesikhathi esifanayo. характеристики жестких дисков ноутбуков или ПК. It ayikwazi eceleni, echaza izici notebook hard drive noma i-PC. Ama ifotho, imidlalo, i-software, umculo, ama-movie - konke lokhu kudinga ephoqelela "isisindo", futhi minyaka yonke izicelo zabo isitsha sikhule kuphela. Ngokwesibonelo, imidlalo yesimanje noma ephezulu definition video format kungathatha kufika 30 GB. izilinganiso Umthamo 2.5 intshi ngemoto namuhla ngokwesilinganiso ingu- 150 GB kuya 2 TB. 3.5 usayizi zedivayisi zingagcinwa entweni okwamanje 3-5 terabytes.

1 GB HDD ivolumu emikhulu kuyoba eshibhile. Yiqiniso, lokhu akufanele ibenze laba umthengi ukuthenga kudivayisi 1TB, uma une ngokwanele, futhi isigamu ngaye. Nokho, kumelwe siqonde ukuthi ukuthenga hard drive ukuthi ungakwazi ukubamba okungenani 500 GB, manje ayisebenzi. Le imali ngeke kancane (200-500 deda.), Kodwa intengo igigabhaythi ngayinye iyamangalisa.

geometry

Ukukhetha HDD, akufanele zithembele kuphela umthamo yayo. включают в себя многие немаловажные параметры. Izimpawu zangaphandle hard drive, kanye yangaphakathi zihlanganisa ipharamitha eziningi ezibalulekile. Lokhu kufanele kubandakanye izibalo zama-engela. Lichaza number plate futhi ukurekhoda kwabantu kuzo. Jiyomethri kuthinta kokubili umthamo HDD, futhi ijubane ukusebenza naye.

idatha Ebhalela "HDDs" wenziwa masondo (ipuleti) eyenziwe aluminium noma ingilazi. Basuke embozwe ifilimu ferromagnetic. Ufunda noma ubhala okuthile uyabulawa amakhanda wahlela kubakaki. Phakathi plate kanye ekhanda njalo uhlala lamashumi a nanometer ambalwa. idiski ngayinye ihlukaniswe yaba inani elikhulu amathrekhi osabalalayo, okuyinto zihlukaniswe imikhakha. Cebo ezinjalo ngesikhathi ukufinyelela nedatha ufunde ngejubane kuthinta engaba amapuleti.

Kuyo le ndawo, lapho ithrekhi iyinde, ijubane ukufunda okungenhla, njengoba inani elandayo imikhakha revolution ngamunye sihamba ikhanda. характеристики жестких дисков размера 2,5 всегда уступают 3,5-дюймовым образцам. Ngakho-ke, izici hard drive osayizi zihlale phansi kunabaphostoli 2.5 ne-3.5 intshi onobuhle. HDD ingaqukatha ipuleti angaphezu kwelilodwa. I kwabantu ukuqoshwa libhekene nemingcele ngenhla. Inani inquma ukuthi kungakanani ukwaziswa esifanelana track ngamunye.

Umthamo isamba HDD yinani lika amakhono ku disc ngamunye. Umsuka "Winchester" 1TB kuhlanganisiwe amapuleti ezinhlanu. Nokho, ubuchwepheshe ayakhula. Hitachi жесткие диски, характеристики которых позволяют использовать их в серверах, оборудуются сверхсовременными пластинами. Yasungulwa ngu Hitachi hard drive, izimfanelo okuyinto enze kube nokwenzeka ukuba uwasebenzise amaseva, ifakwe amapuleti ultra-yanamuhla. Likhono ngamunye bese ecishe ilingane eyodwa igigabhaythi.

Namuhla emakethe linikeza izingxenye yokubeka nge izinombolo ezihlukene amadiski kazibuthe kanye ukuqoshwa kwabantu. Uma udinga HDD kahle kakhulu, kungcono ukuba banake idivayisi inombolo encane yezingqimba zomhlaba.

Mangisho ukuthi izitolo cishe ukunikeza ulwazi lomthengi phezu kwabantu ukurekhoda. On the website esemthethweni Abenzi angaphandle kanzima, lokhu ipharamitha nayo njalo esikhanyayo. Nokho, ngesikhathi Ukukhetha kunconywa ukufunda ngalezi ongakhetha, onobuhle olucacile.

isivinini Uthi lokuphotha

Speed eKufundza neKubhala kuncike, ngaphezu kwabantu, ijubane ukujikeleza uthi lokuphotha. Ingxubevange amasondo ogibele a lokuphotha --eksisi yangaphakathi. Uthi lokuphotha kanye plate uphendukisa kanyekanye, njengoba uhlelo olulodwa. I linemibhikisho ngaphezulu kwenza per unit sikhathi, ngokushesha kuyodingeka ngaphansi kwekhanda komkhakha.

Okwe-PC nama-hard drive ikhaya ayatholakala nge ijubane ayizinkulungwane 5-10 linemibhikisho ngomzuzu. I ezincane lesi silinganiso okungukuthi, ukushisa kancane ekhiqizwa phakathi ukusebenza kwe-drive. Umngcele we-efanayo kuthinta edingekayo ugesi ukusebenza evamile zedivayisi. Ikakhulu amakhompyutha ekhaya kanye laptops ngemoto ezifakiwe nge 5400 linemibhikisho ngayinye isivinini ngomzuzu. I HDD efanayo kunazo ayethanda ngoba imishini multimedia izikhungo, namanye amadivayisi okuyiwona kwasekuqaleni akulona sivinini sekufundza idatha, kanye ezingeni eliphansi ukushisa isizukulwane namandla ukusetshenziswa.

A ijubane 10 000 linemibhikisho iminithi noma ngaphezulu ngamunye ubhekwa ngokweqile. oshayelayo ezinjalo azivamile lithathwa zikagesi ngokuyinhloko ngenxa yokuthi ukuthi zingabantu umsindo kakhulu. Uma udinga ukufinyelela ngokushesha kakhulu idatha, esikhokhela kangcono ukunakekela SSD.

esibonakalayo

жесткий диск Sata, характеристики его абсолютно не влияют на эту возможность. Ngoba noma yisiphi PC yesimanje umbadlana noma ikhompyutha ephathekayo kungenziwa exhunywe kwi-hard drive Sata, izici zalo ngokuphelele ayinalo ithonya endleleni leli thuba. Uma imoto yakho iminyaka engaphezu kweyishumi, cishe tidzingo takhe ukushayela IDE esibonakalayo. Thola idivayisi efanayo esitolo cishe kungenakwenzeka, ngoba wayiyeka.

Sata imelelwa nezindinganiso ezimbili, kanye Uhlelo Oluvumelana Nesixazululi nkinga - SATA2 futhi SATA3. Ngezinye isivinini exchange kolwazi emelelwa esibonakalayo yokuqala imayelana 3 GB / s. On the yesibili - 6 GB / s. Ngaphezu kwalokho, SATA3 lithuthukile ukuphathwa kwamandla nemisebenzi.

, работающего через SATA2, "за глаза" покрывают потребности среднестатистического пользователя. I izici eziyinhloko the hard drive, olusebenza SATA2, "ngoba amehlo" ukumboza izidingo umsebenzisi isilinganiso. Ijubane idatha readout ebusweni ipuleti neze ifinyelela ukubaluleka embundwini olunikezwa ibhasi.

Kesh

Buffer, noma isilondolozi, - i yesitoreji Lesisemkhatsini. Kufanele kube ngenxa yokuthi ukuthi sivinini sekufundza lihlukile isivinini ukurekhoda. amadivaysi PC futhi acele ulwazi kusukela HDD, hhayi njalo ngokushesha ukufinyelela kuso, noma ngemuva kwesikhathi esithile kuzodinga futhi. idatha esinjalo isikhathi bahlale enqolobaneni disk hard. Lokhu kunciphisa Ukuphumula izakhi Computing, kodwa kunciphisa umthwalo phezu plate.

HDD isilondolozi amakhompyutha ideskithophu laptops ububanzi 8-128 MB. "Winchester" ukuze laptops iningi anemisila inkumbulo 8-16 MB. PC ngokuyisisekelo ifakwe hard drive nge sesikhashana ka 32-64 MB.

жесткий диск HDD, характеристики которого лучше, должен работать быстрее конкурентов. "Ephepheni" HDD hard drive, izimfanelo okuyinto engcono ukusebenza ngokushesha kunokuba mncintiswano. In practice, lokhu akuyona inkinga njalo kweqiniso. Ngokwesibonelo, hard disk sesikhashana cishe azisetshenziswa ukuqopha semali amafayela. Ngaphezu kwalokho, ukusebenza sesikhashana kuthintwa isofthiwe, "hardwired" ku isilawuli efakwe ku-HDD. Ngakho-ke efunekayo hard drive nge umthamo omkhulu we isilondolozi ayidingeki. Hlakaniphile ukuqhathanisa izinkomba ezithile funda ngesivinini nekubhala yokugcinwa kokwaziswa amasampuli athile.

MTBF

характеристики жестких дисков, нельзя не сказать о MTBF. Echaza izici disk hard, angeke sikhone kusho ngalokucondzile mayelana MTBF. Lokhu isifinyezo - isiqu HDD nokwethenjelwa Inkomba. nencazelo yalo - Kusho isikhathi ukwehluleka beatween. NgesiRashiya, lokhu ipharamitha libizwa MTBF. Ikhombisa mangaki amahora idrayivu kazibuthe kungaba njalo usebenze kuze kube ukulungisa kuqala. Lesi sici kubalulekile kakhulu seseva hardware noma isitoreji sedivayisi ukufakwa isitoreji eside amafayela. Ngokuvamile HDD, usethe ngqo le njongo, liphuza MTBF sibalo amahora ayizinkulungwane 900 noma 1 million. характеристика жесткого диска Seagate серии Constellation как раз приблизительно сравнима с приведенными выше цифрами. Ngokwesibonelo, lesi sici iyona hard disk Seagate Constellation uchungechunge nje mayelana ifaniswe la manani akula ngenhla.

ukufinyelela okungahleliwe

Lokhu ipharamitha inquma kanjani hushazela it fuza ukuhambisa ikhanda kunoma iyiphi ingxenye ithrekhi. Ayephila Ngayo izici thousandths of a yesibili. Finyelela isikhathi - omunye main HDD nemingcele. umkhiqizo Isilinganiso kuyinto encike ngqo kwi-ke.

Isikhathi esincane ivumela ukwenza imisebenzi eyisisekelo ngokushesha. Inhloko imodeli iseva isitoreji ibekwe for 2-14 ms. Lokhu ipharamitha HDDs for zasendlini uqobo 7-14 msec.

umsindo ezingeni

Noma iyiphi idivayisi yesimanje electronic zingase zingasebenzi ngokuphelele buthule. Hard disk oshayelayo, ngaphandle izingxenye ngogesi zihlanganisa ipuleti ligijima, uthi lokuphotha, funda amakhanda. Ukuba khona nje zalelo nani elikhulu izingxenye ezinyakazayo HDD kwenza omunye PC amadivayisi ezinomsindo kakhulu. Kuleli inkomba kuphela ukupholisa fan unikeza 'Winchester ".

Noise decibel angu elinganisiwe. Othini lokuphotha kancane ligijima, imisindo nezingahlobene nendaba aphansi kwenzeka ngesikhathi ukusebenza. Isibalo 26 dB ubhekwa kakhulu. Kuyinto engenakwenzeka ukuthola ngesikhathi esifanayo iyunithi ethule futhi beyithela khulu lapho. Wena njalo ukuyekethisa bese ukhetha HDD ngoba isici okuyinto ebaluleke kakhulu.

energy ukusetshenziswa

напрямую влияют на потреблении энергии устройством. Izici kanzima ukushayela kungithinte amandla ukusetshenziswa zedivayisi. Iningi esikudinga ngempela ukuze uhlole izinga kwamandla ukusetshenziswa kwe-HDD, okungaba kamuva ukufakwa laptops. Ayanda score, ephansi laptop bakwazi ukusebenza ngamandla webhethri.

Ngaphezu okungenhla, ukusetshenziswa "hard drive" amandla ngesikhathi ukurekhoda noma ukufunda is ibe ukushisa. Yingakho ngemoto amandla khudlwana akudingekile ukuhlomisa PC, okuyinto ke ngeke ukwazi ukubeka ezengeziwe izakhi indlu.

Yiqiniso, ukubaluleka ipharamitha kuchazwe lula ukuthola ku izinsiza Inthanethi umenzi, kodwa akufanele omethembayo ngaso sonke isikhathi. Kuyinto engcono kakhulu yokufuna ulwazi Network yabahloli ezimele.

sshd

Sshd - hhayi evamile hard drive. Bona ngokuvumelanayo ukuhlanganisa izinzuzo ngemoto kazibuthe kanye okuqinile-state. Kulokhu, lo somabhizinisi ezisetshenziswa njengeziwusizo sesikhana eyengeziwe. ukufunda Ngakho noma isivinini sokubhala luyanda, futhi intengo igigabhaythi ngayinye cishe ezingeni elifanayo.

Nakuba ubuchwepheshe sshd kuyinto ngempela ethembisa, emakethe computer izesekeli inikeza inombolo encane mishini. Ngokuyinhloko ubungako bawo - 2.5 amasentimitha, futhi ukusetshenziswa ngemoto anjalo PC ideskithophu akuyona njalo kuyancomeka.

скорости которых намного выше, чем у классических HDD. I lula kakhulu ukuthola Toshiba hard drive, izimfanelo okuyizinto isivinini eliphakeme kakhulu HDD classical. Ngemva wonke amafayela esetshenziswa yesistimu yokusebenza, kakade isilondolozi-non-oluyingozi, futhi ngenxa yalokho, iinthombe izinhlelo main computer futhi umthwalo ngokushesha okukhulu.

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