Състав
Във флашдиска няма механично устройство, което е изключително устойчиво на удар. Освен това, флаш устройството също има характеристиките на влагоустойчивост, антимагнитност, устойчивост на висока ниска температура (-40°C~+70°C) и има добра безопасност и надеждност.
TheflashdrivesupportsUSB,IEEE1394,E-SATAandotherinterfaces.ItcanbedirectlyinsertedintotheUSBinterfaceofthecomputerorconnectedtothecomputerthroughaUSBtransfercable(withA-TypePlugandA-TypeReceptacle).
функция
Flashdiskhastwomainpurposes:First,itcanbeusedtoexchangefileslargerthan1.44MBbetweencomputersthatarenotconnectedtotheInternet.Forexample,betweenworkandwork,Exchangefilesbetweencomputersbetweenunitsandfamiliesandbetweenindividuals.Withaflashdrive,youcantakehomeworkthathasnotbeencompletedatyourunitandcontinuetodoit.Withaflashdrive,youcanbringlargedesignfilestoyourcustomers.Withaflashdrive,youcandownloadpicturesorimagesdownloadedfromthebroadbandnetworkatthecompany.TheMP3fileistakinghome.Second,itcanbeusedtoreplacethefloppydriveonalaptop.Businesspeoplewhooftentravelwithalaptophaveaheadacheabouttheweightofthelaptop,andthefloppydriveoccupiesalargepartofit.Withflashdrives,youcanexchangefiledatawithcustomersanytimeandanywhere,andsaygoodbyetofloppydrivesfromnowon.Thismakesthebusinesstripeasyandpleasant,anddoublestheefficiencyofmobileoffice.
Живот
Флашката може да бъде изтрита най-малко 1 000 000 пъти.
Данните на флаш диска могат да се съхраняват най-малко 10 години.
Calculatedaccordingtotheconfigurationofa4TBcapacityall-flasharrayandthemostcommonfive-yearfixedassetdepreciationcalculation:
| Asinglearraywith4TBcapacity,totalWritetimes5,000times | Totalwritecapacitytimes | 4TBx5,000 | 20PB |
| 5Annualassetdepreciation | Writespersecond | 20PB/5/365/24/3600 | 133MB |
| Databaseenvironment8KB | Writeperformance | 133MB/8KB | 16,600IOPS |
thisThismeansthatusersneedtomaintain16,600IOPSpersecondforfiveyears,notthepeak,buttheaverageIOPS.Basedonuseraverage<0.7MB/sandmaximum30MS/sreadandwriteIO,theservicelifeofa4TBflashmemorycanreachnearly1,000years.
Intheory,acomputercanconnectto127flashdrivesatthesametime,butingeneral,becausethedriveletteruses26EnglishlettersandtheexistingdrivetakesupseveralEnglishletters,itcanconnectupto23Aflashdrive(exceptA,B,C)andrequirestheassistanceofUSBHUB.