Seagate ST3750840ACE manual Recording and interface technology, Physical characteristics

Models: ST3750840ACE

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2.4Recording and interface technology

 

750GB

500GB

400GB

320GB

300GB

250GB

 

 

 

 

 

 

 

Interface

ATA

 

 

 

 

 

 

 

 

 

 

 

Recording method

Perpendicular

 

 

 

 

 

 

 

 

 

 

 

Recording density, KBPI (kbits/inch max)

926

813

781

 

 

813

 

 

 

 

 

 

 

Track density, KTPI (ktracks/inch avg)

145

 

 

 

 

 

 

 

 

 

 

 

 

Areal density (Gbits/inch2 avg)

128.2

114.4

 

 

 

 

Spindle speed (RPM) (± 0.2%)

7,200

 

 

 

 

 

 

 

 

 

 

 

 

Internal data transfer rate (Mbits/sec max)

1,030

 

 

 

 

 

 

 

 

 

 

 

 

Sustained data transfer rate (Mbytes/sec max)

78

72

 

 

 

 

 

 

 

 

 

 

 

I/O data-transfer rate (Mbytes/sec max)

100 (Ultra DMA mode 5)

 

 

 

 

 

 

 

 

 

 

2.5

Physical characteristics

 

 

 

Drive specification

 

 

 

Maximum height

 

 

(mm)

26.1

 

(inches)

1.028

 

 

Maximum width

 

 

(mm)

101.6

 

(inches)

 

4.000 +/- 0.010

 

 

 

 

Maximum length

 

 

(mm)

146.99

 

(inches)

5.787

 

 

Typical weight

 

 

ST3320820ACE, ST3300820ACE and ST3250820ACE

580 grams (1.28 lbs)

 

ST3500830ACE and ST3400820ACE

635 grams (1.40 lbs)

 

ST3750840ACE

720 grams (1.59 lbs)

 

 

Cache Size

8 Mbytes

 

 

 

DB35.3 Series PATA Product Manual, Rev. B

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Seagate ST3750840ACE Recording and interface technology, Physical characteristics, 750GB 500GB 400GB 320GB 300GB 250GB