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gptkbp:instanceOf
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gptkb:data_storage_device
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gptkbp:advantage
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mechanical parts
higher power consumption
large storage capacity
low cost per gigabyte
slower than SSD
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gptkbp:alsoKnownAs
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HDD
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gptkbp:capacity
|
megabytes to multiple terabytes
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gptkbp:component
|
gptkb:actuator
controller
spindle
platter
read-write head
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gptkbp:dataAccessType
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random access
sequential access
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gptkbp:dataRate
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up to 250 MB/s
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|
gptkbp:encodes
|
magnetic polarity
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gptkbp:environmentalImpact
|
contains rare earth metals
requires recycling
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gptkbp:formFactor
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2.5 inch
3.5 inch
1.8 inch
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gptkbp:interface
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gptkb:SAS
gptkb:Fibre_Channel
gptkb:SATA
gptkb:SCSI
gptkb:PATA
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gptkbp:introducedIn
|
1956
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gptkbp:inventedBy
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gptkb:IBM
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|
gptkbp:lifespan
|
3 to 5 years (typical)
|
|
gptkbp:manufacturer
|
gptkb:Western_Digital
gptkb:Samsung
gptkb:Hitachi
gptkb:Seagate
gptkb:Toshiba
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|
gptkbp:operatingSystem
|
0°C to 60°C
|
|
gptkbp:primaryUse
|
store digital data
|
|
gptkbp:replacedBy
|
gptkb:Solid_State_Drive
|
|
gptkbp:rotationPeriod
|
5400 RPM
7200 RPM
10000 RPM
15000 RPM
|
|
gptkbp:trend
|
declining in consumer devices
still used in enterprise storage
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gptkbp:usedIn
|
data centers
laptops
servers
desktop computers
external storage devices
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gptkbp:uses
|
magnetic storage
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gptkbp:vulnerableTo
|
magnetic fields
mechanical failure
shock and vibration
|
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gptkbp:bfsParent
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gptkb:Floppy_Disk_Drive
gptkb:Hard_Drive
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gptkbp:bfsLayer
|
6
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|
https://www.w3.org/2000/01/rdf-schema#label
|
Hard Disk Drive
|