Složení
Flashdisk obsahuje žádné mechanické zařízení, které je extrémně odolné proti otřesům. Kromě toho má blesk také charakteristiku odolnosti proti vlhkosti, antimagnetismu, odolnosti vůči vysokým a nízkým teplotám (-40°C~+70°C) a má dobrou bezpečnost a spolehlivost.
TheflashdrivesupportsUSB,IEEE1394,E-SATAandotherinterfaces.ItcanbedirectlyinsertedintotheUSBinterfaceofthecomputerorconnectedtothecomputerthroughaUSBtransfercable(withA-TypePlugandA-TypeReceptacle).
Funkce
Flashdiskhastwomainpurposes:First,itcanbeusedtoexchangefileslargerthan1.44MBbetweencomputersthatarenotconnectedtotheInternet.Forexample,betweenworkandwork,Exchangefilesbetweencomputersbetweenunitsandfamiliesandbetweenindividuals.Withaflashdrive,youcantakehomeworkthathasnotbeencompletedatyourunitandcontinuetodoit.Withaflashdrive,youcanbringlargedesignfilestoyourcustomers.Withaflashdrive,youcandownloadpicturesorimagesdownloadedfromthebroadbandnetworkatthecompany.TheMP3fileistakinghome.Second,itcanbeusedtoreplacethefloppydriveonalaptop.Businesspeoplewhooftentravelwithalaptophaveaheadacheabouttheweightofthelaptop,andthefloppydriveoccupiesalargepartofit.Withflashdrives,youcanexchangefiledatawithcustomersanytimeandanywhere,andsaygoodbyetofloppydrivesfromnowon.Thismakesthebusinesstripeasyandpleasant,anddoublestheefficiencyofmobileoffice.
Život
Jednotku flash lze vymazat nejméně 1 000 000krát.
Data na flashdisku lze ukládat po dobu nejméně 10 let.
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.