Seagate ST380023AS Manual download pdf (Page 17)

Barracuda Serial ATA V Product Manual, Rev. B 7

2.4 Physical organization

2.5 Recording and interface technology

2.6 Physical characteristics

Drive model Read/write heads Number of discs

ST3120023AS 4 2

ST380023AS 3 2

ST360015AS 2 1

Interface Serial ATA (SATA)

Recording method 16/17 EPRML

Recording density BPI (bits/inch max) 542,000

Track density TPI (tracks/inch max) 78,000

Areal density (Mbits/inch

max) 42,200

Spindle speed (RPM) (± 0.2%) 7,200

Maximum Internal transfer rate (Mbits/sec) 570

Sustained transfer rate (Mbytes/sec) 27 to 44

I/O data-transfer rate (Mbytes/sec max) 16.6 (PIO mode 4)

100 (Ultra DMA mode 5)

150 (SATA 1.0)

Interleave 1:1

Cache buffer 8 Mbytes

Drive specification

Maximum height(mm)

(inches)

26.1

1.028

Maximum width(mm)

(inches)

101.85

4.01

Maximum length(mm)

(inches)

147.0

5.787

Typical weight(grams)

(pounds)

635

1.40

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 61 62

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Seagate ST380023AS Manual Page 17