Zaɓi kundin kwamfutar. Abin da hdd ya fi dogara, abin da alama?

Kyakkyawan rana.

Hard disk (bayan HDD) yana ɗaya daga cikin mafi muhimmanci sassa na kowane kwamfuta ko kwamfutar tafi-da-gidanka. Duk fayilolin masu amfani suna ajiyayyu a kan HDD kuma idan ta kasa, to, fayil din dawowa yana da wahala kuma ba koyaushe mai yiwuwa ba. Sabili da haka, zabar rumbun kwamfutar baya aiki mai sauƙi (Ina ma faɗi cewa mutum ba zai iya yin ba tare da wani sa'a ba).

A cikin wannan labarin na so in gaya maka cikin harshe "mai sauƙi" game da dukkanin sigogi na HDD wanda kana buƙatar kula da lokacin sayen. Har ila yau, a ƙarshen wannan labarin, zan rubuta lissafi bisa ga kwarewar da nake da ita game da amincin wasu nau'o'in ƙwaƙwalwa.

Sabili da haka ... Ku zo kantin sayar da ku ko bude shafin a yanar-gizon tare da tayi da yawa: yawancin kayan aiki mai wuya, tare da raguwa daban-daban, tare da farashin daban-daban (koda duk da girman girman na GB).

Ka yi la'akari da misali.

Seagate SV35 ST1000VX000 Hard Drive

1000 GB, SATA III, 7200 rpm, 156 MB, c, cache memory - 64 MB

Hard disk, alama Seagate, 3.5 inci (2.5 ana amfani da kwamfutar tafi-da-gidanka, sun kasance karami a girman.) PC ɗin yana amfani da kwakwalwan inci 3.5) tare da damar 1000 GB (ko 1 TB).

Seagate Hard Drive

1) Seagate - mai sana'a na rumbun kwamfutarka (game da nauyin HDD kuma waɗanne abubuwa sun fi dacewa - ga alamar shafin);

2) 1000 GB shi ne girman ƙwaƙwalwar ƙwaƙwalwar ƙwaƙwalwar ƙwararren mai ƙira (ainihin ƙararraƙan ƙasa kaɗan ne - game da 931 GB);

3) SATA III - Fayil na lasisi;

4) 7200 rpm - madaidaiciya gudun (rinjayar gudunwar musayar bayanai tare da rumbun kwamfutar);

5) 156 MB - karanta gudun daga faifai;

6) 64 MB - Cache memory (buffer). Da karin cache da mafi alhẽri!

Ta hanyar, don ƙarin fahimtar abin da ake fada, zan sa wani ɗan hoto a nan tare da na'urar "na ciki" HDD.

Hard drive ciki.

Yanayin Hard Drive

Kwancen disk

Babban halayen rumbun. An auna girman a gigabytes da intes (a baya, mutane da yawa basu san kalmomi): GB da TB ba.

Alamar mahimmanci!

Masu kirkirar suna tayar da hankali yayin da suke kirga girman girman rumbun (sun ƙidaya cikin tsarin adadi, da kwamfutar a binary). Mutane da yawa masu amfani da novice ba su san wannan lissafi ba.

A kan rumbun, alal misali, ƙarar da aka ƙaddara ta mai sana'a shine GB 1000, a gaskiya, ainihin girmansa kusan 931 GB ne. Me yasa

1 KB (kilobytes) = 1024 Bytes - wannan a cikin ka'idar (yadda Windows za ta ƙidaya);

1 KB = 1000 bytes shine yadda masu yin kullun kamfanoni suka yi imani.

Don kada in damu tare da lissafi, zan faɗi cewa bambanci tsakanin maɓallin ainihin da aka ƙaddamar shine kusan 5-10% (mafi girman girman faifai, mafi girman bambanci).

Tsarin mulki lokacin zabar HDD

Lokacin zabar rumbun kwamfutarka, a ganina, kana buƙatar samun jagora ta hanyar mai sauƙi - "babu sararin samaniya da kuma girman faifai, mafi kyau!" Ina tuna lokacin, shekaru 10-12 da suka gabata, lokacin da dakiyar 120 GB ta zama babbar. Kamar yadda ya fito, bai riga ya isa ya rasa shi a cikin wasu watanni (kodayake a wannan lokacin babu Intanet Unlimited).

Ta hanyar ka'idodin zamani, raƙuman ƙananan 500 GB da 1000 GB, a ganina, bazai ma la'akari da shi ba. Alal misali, lambobin lambobi:

- 10-20 GB - zai dauki shigarwar tsarin Windows7 / 8;

- 1-5 GB - shigar da na'urar Microsoft Office (mafi yawan masu amfani suna buƙatar wannan kunshin, kuma an dade yana da la'akari);

- 1 GB - kamar guda tarin kiɗa, kamar "100 mafi kyaun waƙoƙin watan";

- 1 GB - 30 GB - kamar yadda ɗaya daga cikin na'urorin kwamfuta na zamani ya dauka, a matsayin mai mulkin, ga mafi yawan masu amfani, da yawa wasannin da aka fi so (da kuma masu amfani ga PC, yawancin mutane da yawa);

- 1GB - 20GB - sarari daya fim ...

Kamar yadda ka gani, ko da 1 TB disk (1000 GB) - tare da irin wannan bukatun zai kasance aiki quite da sauri!

Hanyar sadarwa

Winchesters bambanta ba kawai a girma da iri ba, amma har ma a cikin hanyar sadarwa. Ka yi la'akari da mafi yawan zamani.

Hard Drive 3.5 IDE 160GB WD Caviar WD160.

IDE - ƙwararren mashahuri don amfani da na'urori masu yawa a layi daya, amma a yau an riga ya wuce. Ta hanyar, matsalolin da nake da shi tare da ƙwarewar IDE suna aiki, yayin da wasu SATA sun riga sun tafi "zuwa duniya mai zuwa" (ko da yake sun kasance da hankali game da waɗannan da waɗannan).

1Tb Western Digital WD10EARX Caviar Green, SATA III

SATA - Binciken zamani don haɗawa da tafiyarwa. Yi aiki tare da fayiloli, tare da wannan haɗin kewayawa, kwamfutar zata kasance da sauri. A yau, misali SATA III (bandwidth of about 6 Gbit / s), ta hanyar, yana da daidaito baya, sabili da haka, na'urar da ke goyan bayan SATA III za a iya haɗa shi da tashar SATA II (ko da yake gudun zai zama dan kadan).

Girman buƙata

A buffer (wani lokaci suna cewa kawai cache) shi ne ƙwaƙwalwar ajiyar da aka gina a cikin rumbun da aka yi amfani dashi don adana bayanai da kwamfutar ke samun dama sau da yawa. Saboda wannan, saurin fadin yana ƙaruwa, tun da bai zama dole ya karanta wannan bayanan ba daga fadi mai girma. Sabili da haka, mafi girma da buffer (cache) - da sauri sauri kwamfutarka zai yi aiki.

Yanzu a kan matsaloli masu wuya, shagon na yau da kullum, a cikin girman daga 16 zuwa 64 MB. Hakika, yana da kyau a zabi ɗayan inda buffer ya fi girma.

Gudun ramin

Wannan jubi na uku (a ganina) wanda za'a biya hankali. Gaskiyar ita ce gudun ƙwanƙwasa (da kuma kwamfutar gaba ɗaya) zasu dogara ne akan gudun juyawa na juyawa.

Mafi mahimmancin juyawa juyawa shine 7200 juyin da minti (yawanci, amfani da wadannan alamar - 7200 rpm). Samar da wasu daidaitattun daidaituwa a tsakanin gudun da iska mai zafi (mai tsanani).

Har ila yau, sau da yawa akwai kwakwalwa tare da gudu. 5400 juyin - sun bambanta, a matsayin mai mulkin, a cikin aikin da ba shiru (babu wasu sauti dabam dabam, ƙaddamar lokacin motsi na haɓaka). Bugu da ƙari, waɗannan ƙwayoyin ba su da zafi sosai, sabili da haka ba sa bukatar ƙarin sanyaya. Na kuma lura cewa irin wannan rikici yana cinye makamashi kadan (ko da yake yana da gaskiya cewa mai amfani da shi yana da sha'awar wannan saiti).

Kwanan nan ya bayyana kwaskwarima tare da saurin gudu. 10,000 juyin a cikin minti daya. Suna da kyau sosai kuma an saka su a kan sabobin, a kan kwakwalwa tare da buƙatun da ake buƙata akan tsarin kwamfutar. Farashin irin waɗannan fayafai na da yawa, kuma a ganina, sa irin wannan diski a kan kwamfuta na gida har yanzu bai isa ba ...

Yau, 5 samfurori na magungunan kaya sun mallaki sayarwa: Seagate, Western Digital, Hitachi, Toshiba, Samsung. Ba shi yiwuwa in faɗi abin da alama ce mafi kyawun - ba zai yiwu ba, kamar yadda zaku yi la'akari da yadda wannan ko wannan samfurin zai yi aiki a gare ku. Zan ci gaba da zama bisa ga kwarewar sirri (Ba na ɗauki kowane ra'ayi mai tsafta a asusu).

Seagate

Ɗaya daga cikin masana'antun masu shahararrun mashahuran. Idan muka dauki gaba ɗaya, to, dukkanin ƙungiyoyi biyu na ci gaba, kuma ba haka ba. Yawancin lokaci, idan a cikin shekarar farko da aikin faifan bai fara farawa ba, to, zai kasance na tsawon lokaci.

Alal misali, ina da Seagate Barracuda 40GB 7200 rpm IDE drive. Ya riga ya kai kimanin shekaru 12 zuwa 13, duk da haka, yana aiki sosai kamar sabon. Ba ya fashe, babu raguwa, yana aiki a hankali. Kadai drawback shi ne cewa yana da m, yanzu 40 GB isa kawai ga wani ofishin PC, wanda yana da mafi yawan ayyuka (a gaskiya, kamar wannan PC a cikin abin da yake located yanzu shagaltar da).

Duk da haka, tare da farkon Seagate Barracuda 11.0 version, wannan Disc model, a ganina, ya deteriorated mai yawa. Sau da yawa, akwai matsaloli tare da su, kaina ba zan bayar da shawarar yin amfani da "barracuda" a yanzu ba (musamman tun da yawa daga gare su "yi rikici") ...

Yanzu Seagate Constellation samfurin yana samun shahararren - koda halin kaka 2 sau tsada fiye da Barracuda. Matsaloli tare da su basu da yawa (watakila yana da ma farkon ...). Ta hanyar, mai sana'a yana bada garantin mai kyau: har zuwa watanni 60!

Yammacin dijital

Har ila yau, daya daga cikin manyan shahararru na HDD da aka samu a kasuwa. A ra'ayina, WD taɗaɗɗa shine mafi kyawun zaɓi don shigarwa a kan PC a yau. Farashin farashin da ke da kyau, ingancin matsala ana samuwa, amma sau da yawa fiye da Seagate.

Akwai "nau'i" daban-daban na diski.

WD Green (kore, a kan batu na diski za ku ga takarda kore, duba hotunan da ke ƙasa).

Wadannan fayiloli sun bambanta, musamman saboda sun cinye makamashi kadan. Gudun hanzari mafi yawan samfurori shine sau 5400 a minti daya. Canjin musayar bayanai ƙananan ƙananan ƙananan kayan aiki na 7200 - amma suna da shiru sosai, ana iya saka su a kusan kowane shari'ar (koda ba tare da ƙarin sanyaya ba). Alal misali, Ina son sauti da yawa, yana da kyau a yi aiki a kan PC, wanda yake da wuya a ji! Game da dogara, ya fi Seagate (ta hanyar, babu batutuwa na Kayan Caviar Green, duk da cewa ban hadu da kaina ba).

Wd blue

Kuskuren da aka fi dacewa tsakanin WD, zaka iya sakawa mafi yawan kwamfutar kwakwalwa. Su ne gicciye tsakanin Tsarin Green da Black na kwakwalwa. Bisa mahimmanci, ana iya bada shawarar su ga PC na gida.

Wd baki

Tabbataccen wuya tafiyarwa, tabbas mafi aminci daga cikin WD alama. Tabbatacce ne, sune mafi girma kuma mai tsanani. Zan iya bayar da shawarar don shigarwa don mafi yawan PC. Gaskiya, ba tare da ƙarin sanyaya ba ne mafi alhẽri kada ku saka ...

Har ila yau, akwai Red da Purple brands, amma don kasancewa gaskiya, ban sauke su ba sau da yawa. Ba zan iya fadin wani abu game da amincin su ba.

Toshiba

Ba mashahuriyar alama ce mai wuya ba. Akwai na'ura ɗaya da ke aiki tare da wannan Toshiba DT01 drive - yana aiki lafiya, babu ƙwararraki ta musamman. Gaskiya ne, gudun aikin yana da ɗan ƙananan fiye da na WD Blue 7200 rpm.

Hitachi

Ba a shahara kamar Seagate ko WD ba. Amma, a gaskiya, Ban taɓa ganin kullun Hitachi ba (saboda kwasfan kansu ...). Akwai kwakwalwa masu yawa tare da irin wadannan sifofi: suna aiki da sassauci, ko da yake suna dumi. An bada shawara don amfani da ƙarin sanyaya. A ganina, ɗaya daga cikin mafi yawan abin dogara, tare da WD Black alama. Gaskiya ne, suna farashin 1.5-2 sau fiye da tsada fiye da WD Black, don haka karshen su ne mafi alhẽri.

PS

A cikin nisa 2004-2006, Maxtor alama ce mai mahimmanci, har ma wasu masu aiki na aiki sun kasance. Game da dogara - a ƙasa da "matsakaici", yawancin su "ya tashi" bayan shekara ɗaya ko biyu na amfani. Daga baya ne Seagate ya saya Maxtor, kuma babu wani abu da zai iya fada game da su.

Wannan duka. Wane irin nau'i na HDD kuke amfani?

Kar ka manta cewa amincin mafi girma yana samarwa - madadin. Mafi gaisuwa!