7025-01-578-4619 OPTICAL READER,DATA ENTRY Index 7025-01-578-4644 OPTICAL READER,DATA ENTRY

National Stock Number:
7025-01-578-4642

Federal Supply Class:
7025

National Item Identification Number:
015784642

Description:
DISK DRIVE UNIT

Detail:
An electromechanical item which accepts and systematically retains digital input data in such a manner as to facilitate the rapid recovery of stored information. The item may or may not consist of disk(s) some of which are removable, hard, removable disk packs, fixed disks, or removable flexible, each surface coated with a material susceptible to spot magnetization, integral writing, a drive motor and its mechanical linkage, and data translating heads for impressing on or removing from the disk surface data in digital form. The item is a component of an electronic computer. See also, MAGNETIC DRUM, DATA STORAGE; CORE MEMORY UNIT.


Manufacturer Information:
341-304804RE5DELL COMPUTER CORP
UD30304RE5DELL COMPUTER CORP


Techincal Specification:
DRIVE QUANTITY1
DRIVE SIZE3.50
DATA STORAGE CAPACITY160.00 GIGABYTES
OVERALL HEIGHT1.000 INCHES NOMINAL
OVERALL LENGTH5.800 INCHES NOMINAL
OVERALL WIDTH4.000 INCHES NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCY160 GB 7200 PRM SERIAL ATA INTERNAL HARD DRIVE
OPERATING TEMP RANGE+41.0 TO 131.0 FAHRENHEIT
SPECIAL FEATURESINTERFACE TYPE SERIAL ATA-300; BUFFER SIZE 8MB; FEATURES DATA LIFEGUARD, SHOCK GUARD, SECURE CONNECT, WHISPER DRIVE, SOFT SEEK PERFORMANCE; SEEK TIME 8.9MS AVERAGE; TRACK-TO TRACK SEEK TIME 2MS; AVERAGE LATENCY 4.2MS; SPINDLE SPEED 7200 RPM
TRANSFER RATE IN MEGABYTES PER SECOND300.0
UNIT DESIGNINTERNAL
UNPACKAGED UNIT WEIGHT1.300 POUNDS


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