Seagate ST360019A Manuale Utente
6
U Series 9 Product Manual, Rev. D
2.6
Physical characteristics
2.7
Seek time
Seek measurements are taken with nominal power at 25°C ambient temperature. All times are measured using
drive diagnostics. The specifications in the table below are defined as follows:
drive diagnostics. The specifications in the table 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 specifications.
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 specifications.
2.8
Start/stop times
2.9
Power specifications
The drive receives DC power (+5V or +12V) through a four-pin standard drive power connector.
Drive specification
Maximum height
(mm)
(inches)
26.035
1.028
Maximum width
(mm)
(inches)
101.6
4.00
Maximum length
(mm)
(inches)
146.99
5.787
Typical weight
(grams)
(pounds)
635
1.4
Typical seek times (msec)
Read
Write
Track-to-track
<1.0
<1.2
Average
8.5
9.5
Average latency:
4.16
4.16
Power-on to Ready (sec)
10 (max)
Standby to Ready (sec)
10 (max)
Ready to spindle stop (sec)
20 (max)