Statements (56)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
data storage device
|
| gptkbp:advantage |
mechanical parts
higher power consumption large storage capacity low cost per gigabyte slower than SSD |
| gptkbp:alsoKnownAs |
HDD
|
| gptkbp:capacity |
megabytes to multiple terabytes
|
| gptkbp:component |
actuator
controller spindle platter read-write head |
| gptkbp:dataAccessType |
random access
sequential access |
| gptkbp:dataRate |
up to 250 MB/s
|
| gptkbp:encodes |
magnetic polarity
|
| gptkbp:environmentalImpact |
contains rare earth metals
requires recycling |
| gptkbp:formFactor |
2.5 inch
3.5 inch 1.8 inch |
| https://www.w3.org/2000/01/rdf-schema#label |
Hard Disk Drive
|
| gptkbp:interface |
gptkb:SAS
gptkb:Fibre_Channel gptkb:SATA gptkb:SCSI gptkb:PATA |
| gptkbp:introducedIn |
1956
|
| gptkbp:inventedBy |
gptkb:IBM
|
| gptkbp:lifespan |
3 to 5 years (typical)
|
| gptkbp:manufacturer |
gptkb:Western_Digital
gptkb:Samsung gptkb:Hitachi gptkb:Seagate gptkb:Toshiba |
| gptkbp:operatingSystem |
0°C to 60°C
|
| gptkbp:primaryUse |
store digital data
|
| gptkbp:replacedBy |
Solid State Drive
|
| gptkbp:rotationPeriod |
5400 RPM
7200 RPM 10000 RPM 15000 RPM |
| gptkbp:trend |
declining in consumer devices
still used in enterprise storage |
| gptkbp:usedIn |
data centers
laptops servers desktop computers external storage devices |
| gptkbp:uses |
magnetic storage
|
| gptkbp:vulnerableTo |
magnetic fields
mechanical failure shock and vibration |
| gptkbp:bfsParent |
gptkb:Netbook
|
| gptkbp:bfsLayer |
5
|