Seagate ST2000DM001 Barracuda SATA Product Manual - Page 11

Drive Specifications, 2.1 Specification summary tables

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2.0 Drive Specifications Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power. For convenience, the phrases the drive and this drive are used throughout this manual to indicate the following drive models: ST31000524AS ST3750525AS ST3500413AS ST3320413AS ST3250312AS ST3160316AS 2.1 Specification summary tables The specifications listed in the following tables are for quick reference. For details on specification measurement or definition, see the appropriate section of this manual. Table 1 Drive specifications summary for 1000 and 750 models Drive Specification ST31000524AS ST3750525AS Formatted capacity (512 bytes/sector)* Guaranteed sectors Heads Disks Bytes per sector Default sectors per track Default read/write heads Default cylinders Recording density (max) Track density (avg) Areal density (avg) Spindle speed Internal data transfer rate (max) Sustained data transfer rate OD (max) I/O data-transfer rate (max) ATA data-transfer modes supported Cache buffer Height (max.) Width (max.) Length (max.) Weight (typical) Average latency Power-on to ready (max.) Standby to ready (max.) Track-to-track seek time (typical) Average seek, read (typical) Average seek, write (typical) 1000GB 1,953,525,168 4 2 512 63 16 16,383 1413kb/in 236 ktracks/in 329Gb/in2 7200 RPM 1695Mb/s 125MB/s 600MB/s 32MB 26.1mm / 1.028 in 101.6mm /4.0 in (+ 0.010 in) 146.99mm / 5.787 in 622g /1.371 lb 4.16ms

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Barracuda SATA Product Manual, Rev. B
11
2.0
Drive Specifications
Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power.
For convenience, the phrases
the drive
and
this drive
are used throughout this manual to indicate the following
drive models:
2.1
Specification summary tables
The specifications listed in the following tables are for quick reference. For details on specification measurement
or definition, see the appropriate section of this manual.
ST31000524AS
ST3500413AS
ST3250312AS
ST3750525AS
ST3320413AS
ST3160316AS
Table 1
Drive specifications summary for 1000 and 750 models
Drive Specification
ST31000524AS
ST3750525AS
Formatted capacity (512 bytes/sector)*
1000GB
750GB
Guaranteed sectors
1,953,525,168
1,465,149,168
Heads
4
3
Disks
2
2
Bytes per sector
512
512
Default sectors per track
63
63
Default read/write heads
16
16
Default cylinders
16,383
16,383
Recording density (max)
1413kb/in
1413kb/in
Track density (avg)
236 ktracks/in
236 ktracks/in
Areal density (avg)
329Gb/in
2
329Gb/in
2
Spindle speed
7200 RPM
7200 RPM
Internal data transfer rate (max)
1695Mb/s
1695Mb/s
Sustained data transfer rate OD (max)
125MB/s
125MB/s
I/O data-transfer rate (max)
600MB/s
600MB/s
ATA data-transfer modes supported
PIO modes: 0 to 4
Multiword DMA modes: 0 to 2
Ultra DMA modes: 0 to 6
Cache buffer
32MB
32MB
Height (max.)
26.1mm / 1.028 in
26.1mm / 1.028 in
Width (max.)
101.6mm /4.0 in
(+
0.010 in)
101.6mm /4.0 in
(+
0.010 in)
Length (max.)
146.99mm / 5.787 in
146.99mm / 5.787 in
Weight (typical)
622g /1.371 lb
622g /1.371 lb
Average latency
4.16ms
4.16ms
Power-on to ready (max.)
<10.0s
<10.0s
Standby to ready (max.)
<10.0s
<10.0s
Track-to-track seek time (typical)
<1.0ms
read
<1.2ms
write
<1.0ms
read
<1.2ms
write
Average seek, read (typical)
Average seek, write (typical)
<8.5ms typical
<9.5ms typical
<8.5ms typical
<9.5ms typical