Seagate ST1000VX000 SV35.4 Series SATA Product Manual - Page 13

Physical characteristics, Seek time, Start/stop times - benchmark

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2.5 Physical characteristics Maximum height Maximum width Maximum length Typical weight Cache buffer 320GB model 20.20 mm (0.794 inches) 101.85 mm (4.010 inches) 146.99 mm (5.787 inches) 380 grams (0.838 lb.) 16 Mbytes (16,384 kbytes) 2.6 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: • 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. Typical seek times (msec) Track-to-track Average Read

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SV35.4 Series SATA Product Manual, Rev. B
7
2.5
Physical characteristics
2.6
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:
•
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.
*Measured in performance mode.
**Measured in quiet mode.
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 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.
2.7
Start/stop times
320GB model
Maximum height
20.20 mm (0.794 inches)
Maximum width
101.85 mm (4.010 inches)
Maximum length
146.99 mm (5.787 inches)
Typical weight
380 grams (0.838 lb.)
Cache buffer
16 Mbytes (16,384 kbytes)
Typical seek times (msec)
Read
Write
Track-to-track
<1.0
<1.2
Average
<14.0
<15.0
Power-on to Ready (sec)
16 (max)
Ready to spindle stop (sec)
20 (max)