Seagate ST1000LM015 Datasheet download pdf (Page 10)

SEAGATE LAPTOP SSHD SATA PRODUCT MANUAL, REV. C 6

DRIVE SPECIFICATIONS

2.3 RECORDING AND INTERFACE TECHNOLOGY

Recording method Perpendicular

Recording density 1894 Kb/in

Track density 375 ktracks/in avg

Areal density 705 Gb/in

avg

Spindle speed 5400 RPM +/- 0.2%

Sustained data transfer rate 100 MB/s max

I/O data-transfer rate 600 MB/s max

2.4 PHYSICAL CHARACTERISTICS

Height 9.5 +/- 0.2 mm (0.374 +/-.008 in)

Width 69.85 +/- 0.25 mm (2.750 +/- 0.010 in)

Length 100.35 +0.20 / -0.25 mm (3.951 +0.008 / -0.010 in)

Typical weight 115 g (0.254 lb)

Cache buffer 64MB (65,536 KB)

2.5 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 5000 measurements of seeks between random tracks, less overhead.

2.6 S

TART/STOP TIMES

Table 3 Start/stop times

Typical seek times (ms) Typical

Max @ 25

°C

Power-on to ready (sec) <1.0 <1.0

Power-on to ready (sec) (SED models) TBD TBD

Standby to ready (sec) <1.0 <1.0

Interface Serial ATA (SATA)

All models

Table 2 Typical seek times

Typical seek times (ms) Read

Track-to-track 2.0

Average 12.0

Average latency 5.6

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.

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Seagate ST1000LM015 Datasheet Page 10

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