Seagate Laptop Thin HDD Product Manual, Rev. E 9
Drive Specifications
2.1.1 LBA mode
When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n–1,
where n is the number of
guaranteed sectors as defined above.
Refer to Configuring and Mounting the Drive on page 19 (words 60-61 and 100-103) for additional information about 48-bit addressing
support of drives with capacities over 137 GB.
2.2 Physical organization
Drive model Read/write heads Number of discs
ST500LM021, ST500LM023
& ST500LM024
2 1
ST320LM010
2.3 Recording and Interface Technology
Recording method Perpendicular
Recording density 1875 Kb/in
Track density 375 ktracks/in avg
Areal density 670 Gb/in
2
avg
Spindle speed 7200 RPM +/- 0.2%
Sustained data transfer rate 135 MB/s max
I/O data-transfer rate 600 MB/s max
2.4 Physical Characteristics
Height 6.8 +/- 0.2 mm (0.268 +/-.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 <95 g (0.209 lb)
Cache buffer 32 MB (32,384 KB)
Interface Serial ATA (SATA)
All models
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