2.6Physical characteristics

 

 

PATA

 

SATA

 

 

 

 

 

Height

(mm)

9.5 +/–0.2

9.5 +/–0.2

 

(inches)

0.374

+/–0.008

0.374

+/–0.008

 

 

 

 

 

 

Width

(mm)

69.85

+/–0.25

69.85

+/–0.25

 

(inches)

2.750

+/–0.010

2.750

+/–0.010

 

 

 

 

 

 

Length

(mm)

100.2

+/–0.25

100.5

+/- 1.58

 

(inches)

3.945

+/–0.010

3.957

+/- 0.062

 

 

 

 

 

 

Maximum weight

(grams)

102

 

102

 

 

(pounds)

0.22

 

0.22

 

 

 

 

 

 

 

2.7Seek time

Seek measurements are taken with nominal power. All times are measured using drive diagnostics. The spec- ifications below are defined as follows:

Track-to-track seek time is an average of all possible single-track seeks in both directions.

Average seek time is a true statistical random average of at least 5,000 measurements of seeks between random tracks, less overhead.

Note. These drives are designed to consistently meet the seek times represented in this manual. Physical seeks, regardless of mode (such as track-to-track and average), are expected to meet or exceed the noted values. However, due to the manner in which these drives are formatted, benchmark tests that include command overhead or measure logical seeks may produce results that vary from these speci- fications.

 

Read (all temperatures)

Write (all temperatures)

 

 

 

 

 

 

 

msec

 

msec

 

Typical

 

Max

Typical

 

Max

 

 

 

 

 

 

 

 

 

 

Track-to-track

0.7

 

1

1

 

2

 

 

 

 

 

 

 

Average

13

 

14

14

 

15

 

 

 

 

 

 

 

Full-stroke

23

 

24

25

 

27

 

 

 

 

 

 

 

Average latency

5.6

 

 

5.6

 

 

 

 

 

 

 

 

 

14

EE25.2 Series Product Manual, Rev. E

Page 20
Image 20
Seagate ST960818SM manual Physical characteristics, Seek time, Read all temperatures Write all temperatures, Typical Max

ST940817SM, ST940818SM, ST960817SM, ST930817AM, ST960818AM specifications

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