Seagate ST380215AS, ST3120215AS, ST3120815AS, ST3160815AS manual Recording and interface technology

Models: ST3200820AS ST3300820AS ST3300620AS ST3500641ASRK ST3400820AS ST3250820AS ST380215AS ST3320620AS ST3160215AS ST340215AS ST340815AS ST3120815AS ST380815AS ST3250620AS ST3250310AS ST3160815AS ST3320820AS ST3250410AS ST3120215AS

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2.4Recording and interface technology

2.4Recording and interface technology

 

Model capacity

 

 

 

 

 

 

 

 

 

 

750

500

400

320

300

 

 

 

 

 

 

Interface

Serial ATA (SATA)

 

 

 

 

 

 

 

 

 

Recording method

Perpendicular

 

 

 

 

 

 

 

 

 

 

Recording density (kbits/inch avg)

769

 

 

 

 

 

 

 

 

 

 

Track density (ktracks/inch avg)

141

 

 

 

 

 

 

 

 

 

 

Areal density (Gbits/inch2 avg)

109

 

 

 

 

Spindle speed (RPM)

7,200 ± 0.2%

 

 

 

 

 

 

 

 

 

 

Internal data transfer rate (Mbits/sec max)

1,030

 

 

 

 

 

 

 

 

 

 

Sustained data transfer rate (read) (Mbytes/sec max)

78

72

 

 

 

 

 

 

 

 

 

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

300

 

 

 

 

 

 

 

 

 

 

 

Model capacity

 

 

 

 

 

 

 

 

 

160

120

80

40

 

 

 

 

 

Interface

Serial ATA (SATA)

 

 

 

 

 

 

 

 

Recording method

Perpendicular

 

 

 

 

 

 

 

 

Recording density (kbits/inch avg)

732

 

 

 

 

 

 

 

 

Track density (ktracks/inch avg)

137.259

 

 

 

 

 

 

 

 

Areal density (Gbits/inch2 avg)

101

 

 

 

Spindle speed (RPM)

7,200 ± 0.2%

 

 

 

 

 

 

 

 

Internal data transfer rate (Mbits/sec max)

930

 

 

 

 

 

 

 

 

Sustained data transfer rate (read) (Mbytes/sec max)

78 *

 

 

 

 

 

 

 

 

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

300

 

 

 

 

 

 

 

 

*7200.10 family product achieved higher sustained data rate over same 7200.9 family capacity points using identical measurement methodology.

 

Model capacity

 

 

 

 

 

ST3250620AS, ST3250820AS

ST3250410AS and

 

and ST3200820AS

ST3250310AS

 

 

 

Interface

Serial ATA (SATA)

 

 

 

 

Recording method

Perpendicular

 

 

 

 

Recording density (kbits/inch avg)

769

1,049

 

 

 

Track density (ktracks/inch avg)

141

155

 

 

 

Areal density (Gbits/inch2 avg)

109

163

Spindle speed (RPM)

7,200 ± 0.2%

 

 

 

 

Internal data transfer rate (Mbits/sec max)

1,030

1,212

 

 

 

Sustained data transfer rate (read) (Mbytes/sec max)

72

106

 

 

 

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

300

 

 

 

 

Barracuda 7200.10 Serial ATA Product Manual, Rev. K

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Seagate ST380215AS, ST3120215AS Recording and interface technology, Barracuda 7200.10 Serial ATA Product Manual, Rev. K