hard disk drive
Magnetic computer storage
A hard disk drive is a data storage device that reads and writes information to spinning magnetic platters.
For decades the standard for computer storage, hard disk drives have been largely displaced by solid-state drives, which have no moving parts.
Often shortened to hard drive or abbreviated HDD.
Delay moving read head
- latencyDelay in system response
- rotational speedTurns per time unit
- throughputProcessing rate over time
- RPMTurns in sixty seconds
data transfer rate · access time · buffer · cache · write speed · input/output · random access
Large flat serving dish
- spindleRotating rod for thread
- actuatorDevice producing controlled motion
- sectorDistinct division of whole
- trackPath or monitored route
cylinder · armature · motor · controller · printed circuit board · landing zone · parking ramp
Serial disk interface
- SCSIParallel peripheral interface standard
- IDEUnified coding software suite
- USBDevice connection standard
- SASThree-letter acronym, multiple meanings
connector · controller · jumper · master · slave · hot-swap · enclosure · docking station
Barrier separating spaces
- defragmentationReorganizing scattered storage data
- formattingStructuring visual presentation
- data retrievalAccessing stored information
- firmwareHardware's permanent programming
bad sector · fragmentation · recovery · backup · cloning · imaging · SMART · wear
Trillion-byte measure
Chip-based storage device
- NVMeStorage communication standard
- memory cardPortable digital data chip
- cloud storageOnline data preservation service
- NASNetwork-linked storage device
seek time
Delay moving read head
- latencyDelay in system response
- rotational speedTurns per time unit
- throughputProcessing rate over time
RPM · data transfer rate · access time · buffer · cache · write speed · input/output · random access
platter
Large flat serving dish
- spindleRotating rod for thread
- actuatorDevice producing controlled motion
- sectorDistinct division of whole
track · cylinder · armature · motor · controller · printed circuit board · landing zone · parking ramp
SATA
Serial disk interface
- SCSIParallel peripheral interface standard
- IDEUnified coding software suite
- USBDevice connection standard
SAS · connector · controller · jumper · master · slave · hot-swap · enclosure · docking station
partition
Barrier separating spaces
- defragmentationReorganizing scattered storage data
- formattingStructuring visual presentation
- data retrievalAccessing stored information
firmware · bad sector · fragmentation · recovery · backup · cloning · imaging · SMART · wear
terabyte
Trillion-byte measure
kilobyte · exabyte · bytes · storage limit · usable space
SSD
Chip-based storage device
- NVMeStorage communication standard
- memory cardPortable digital data chip
- cloud storageOnline data preservation service
- portable storageUSB stick, memory stick, USB key, removable storage, memory card
hard disk drivesolid-state drive
Flash-based persistent storage
SSD · flash drive · flash memory · memory card · SD card
hard disk driveRAM
Temporary data storage hardware
random access memory · volatile memory · DRAM · cache memory · SRAM
hard disk drivecloud storage
Online data preservation service
cloud drive · USB flash drive · thumb drive · memory stick · portable SSD
hard, drive, disk, hardware, drives, disks, hard disk, floppy disk, disk drive