Композиција
Не постоји механички уређај у флеш диску, који је изузетно отпоран на ударце. Поред тога, флеш диск такође има карактеристике отпорности на влагу, антимагнетног, отпорног на високе и ниске температуре (-40°Ц~+70°Ц), и има добру сигурност.
TheflashdrivesupportsUSB,IEEE1394,E-SATAandotherinterfaces.ItcanbedirectlyinsertedintotheUSBinterfaceofthecomputerorconnectedtothecomputerthroughaUSBtransfercable(withA-TypePlugandA-TypeReceptacle).
Функција
Flashdiskhastwomainpurposes:First,itcanbeusedtoexchangefileslargerthan1.44MBbetweencomputersthatarenotconnectedtotheInternet.Forexample,betweenworkandwork,Exchangefilesbetweencomputersbetweenunitsandfamiliesandbetweenindividuals.Withaflashdrive,youcantakehomeworkthathasnotbeencompletedatyourunitandcontinuetodoit.Withaflashdrive,youcanbringlargedesignfilestoyourcustomers.Withaflashdrive,youcandownloadpicturesorimagesdownloadedfromthebroadbandnetworkatthecompany.TheMP3fileistakinghome.Second,itcanbeusedtoreplacethefloppydriveonalaptop.Businesspeoplewhooftentravelwithalaptophaveaheadacheabouttheweightofthelaptop,andthefloppydriveoccupiesalargepartofit.Withflashdrives,youcanexchangefiledatawithcustomersanytimeandanywhere,andsaygoodbyetofloppydrivesfromnowon.Thismakesthebusinesstripeasyandpleasant,anddoublestheefficiencyofmobileoffice.
Животни век
Флешдиск се може обрисати најмање 1,000,000 пута.
Подаци на флеш диску се могу чувати најмање 10 година.
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.