Product Name: Hot Sale SSD 2.5'' 32GB 64GB 128GB SATA3 Solid State Drive Internal Hard Disk for Laptop Computer Model NO.: jhw Interface Rate: 6GB/S SSD Cache: 4GB Cache: 128m Size: 2.5 Interface Type: SATA Installation: Internal Rotationl Speed: 7200*10rpm Type: Solid State Disk Capacity: 32GB 64GB 128GB Read: up to 500 MB/S Write: up to 280 MB/S SATA Interface: SATA Revision 3.1 DRAM Interface: 16-Bit Wide DRAM Interface Flash Interface: Flash Type: MLC Transport Package: Plastic Package Specification: 50.8mm*29.85mm*3.3mm Origin: Shenzhen, Guangdong Product Description Hot sale SSD 2.5'' 32GB 64GB 128GB Sata3 Solid State Drive Internal Hard Disk for Laptop ComputerCapacityAdvancedFlashManagement30GBto240GB/32GBto256GBSATAInterfaceSATARevision3.1SATA1.5Gbps,3Gbps,and6GbpsinterfaceFlashInterfaceFlashtype:MLCNCQupto32commandsTRIMS.M.A.R.TFirmwareUpdateSupportdatasecurityeraseandquickeraseHardwareBCHECCupto66-bit/1KB1to4pcsflashDramInterface16-bitwideDRAMinterfaceUpto256MBDDR3(dependonSoftware/HardwarewriteprotectoptionStaticDataRefreshtechnologyensuresdataintegritycapacity)BadblockmanagementPerformance(measuredbyCrystalDiskMarkv3.0)Read:upto500MB/sWrite:upto280MB/sMTBFGlobalwearlevelingalgorithmmaximizesSSDlifespanLowPowerManagementSATADeviceSleep(DevSleep)SupportPHYSleepmodeMorethan1,000,000hoursTemperatureRange(CFastPHYSLP)RoHScompliantOperation:0~70ºCStorage:-40~85ºC1.1.GeneralDescriptionMS300mSATA3SSDdeliversalltheadvantagesofflashdisktechnologywiththeSerialATAI/II/IIIinterfaceandisfullycompliantwiththestandardmSATAformfactor,knownasJEDECMO-300standard.Themoduleisdesignedtooperateatamaximumoperatingfrequencywith50MHzexternalcrystal.Itscapacitycouldprovideawiderangeupto256GB.Moreover,itcanreachupto500MB/sreadaswellas280MB/swritehighperformancebasedonMLCflash(measuredbyCrystalDiskMarkv3.0).Meanwhile,thepowerconsumptionofthemSATAmoduleismuchlowerthantraditionalharddrives.1.4.1.ErrorCorrectionCode(ECC)Flashmemorycellswilldeterioratewithuse,whichmightgeneraterandombiterrorsinthestoreddata.Thus,MS300mSATASSDControllerappliestheBCHECCalgorithm.TheHardwareErrorCorrectionCoding(ECC)engineexecutesparitygenerationanderrordetection/correctionfeatures,andenhancesdecodingthroughputanddatareliability.Withmulti-modecorrectioncapabilityupto66bits,thepowerfulECCengineisabletosupportthelatestgenerationNANDflash.1.4.2.WearLevelingNANDflashdevicescanonlyundergoalimitednumberofprogram/erasecycles,andinmostcases,theflashmediaarenotusedevenly.Ifsomeareasgetupdatedmorefrequentlythanothers,thelifetimeofthedevicewouldbereducedsignificantly.Wearlevelingistoarrangedatasothaterasuresandre-writesaredistributedevenlyacrosstheFlash.Inthisway,nosingleeraseblockprematurelyfailsduetoahighconcentrationofwritecycles.Hence,itextendsthelifespanofSSD.ARTANISprovidesadvancedWearLevelingalgorithm,whichcanefficientlyspreadouttheflashusagethroughthewholeflashmediaarea.Moreover,byimplementingbothdynamicandstaticWearLevelingalgorithms,thelifeexpectancyoftheNANDflashisgreatlyimproved.1.4.3BadBlockManagementBadblocksareblocksthatincludeoneormoreinvalidbits,andtheirreliabilityisnotguaranteed.Blocksthatareidentifiedandmarkedasbadbythemanufacturerarereferredtoas"InitialBadBlocks".Badblocksthataredevelopedduringthelifespanoftheflasharenamed"LaterBadBlocks".ARTANISimplementsanefficientbadblockmanagementalgorithmtodetectthefactory-producedbadblocksandmanagesanybad