Formatted Capacity; Default Logical Geometry; Lba Mode; Recording And Interface Technology - Seagate PipelineHD ST3500321CS Product Manual

2.2

Formatted capacity

Formatted
Model capacity*
ST3500321CS 500 Gbytes
ST3320310CS 320 Gbytes
ST3160310CS 160 Gbytes
*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment
and formatting.
2.2.1

LBA mode

When addressing the drive 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.
See Section 4.3.1, "Identify Device command" (words 60-61 and 100-103) for additional information about 48-
bit addressing support of drives with capacities over 137 Gbytes.
2.3

Default logical geometry

Cylinders Read/write heads
16,383 16
LBA mode
When addressing the drive 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.
2.4

Recording and interface technology

Interface
Recording method
Recording density (kbits/inch max)
Track density (ktracks/inch avg)
2
Areal density (Gbits/inch avg)
Internal data transfer rate (Mbits/sec max)
Sustained data transfer rate (Mbytes/sec max)
I/O data-transfer rate (Mbytes/sec max)
6
Guaranteed
sectors
976,773,168
625,142,448
312,581,808
Sectors per track
63
500 GB models
Serial ATA (SATA)
Perpendicular
1,020 kbits/in max
173 ktracks/in avg
176 Gbits/in
980 Mbits/sec max
90
300
PipelineHD Series SATA Product Manual, Rev. A
Bytes per sector
512
512
512
320 and 160 GB model
1,242 kbits/in max
2
avg 215 Gbits/in
1,201 Mbits/sec max
2
avg