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Momentus 5400.2 SATA Removable Drive Cartridge Product Manual, Rev. C
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:
• 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 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) through a native SATA power connector.
2.9.1 Power consumption
Power requirements for the drives are listed in the table on page 6. Typical power measurements are based on
an average of drives tested, under nominal conditions, at 25°C ambient temperature, after 25 minutes of oper-
ation.
Drive specification
Height (mm)
(inches)
24.50 +/-0.2
0.965 +/-0.0078
Width (mm)
(inches)
85.70 +/-0.3
3.374 +/-0.0118
Length (mm)
(inches)
112.28 +/-0.3
4.420 +/-0.0118
Typical weight (grams)
(pounds)
172
0.379
Typical seek times (msec) Read Write
Track-to-track 1.0 1.5
Average 12.5 14.5
Full-stroke 22.0 24.0
Average latency 5.56 5.56
Time to ready Typical
Max @ 25°C
Power-on to Ready (sec) 3.5 8
Standby to Ready (sec) 3.0 8