Seagate ST33000651SS Constellation ES (.1) SATA Product Manual - Page 11

Drive specifications

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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: Standard models ST2000NM0011 ST1000NM0011 ST500NM0011 Self-Encrypting Drive (SED) models ST2000NM0031 ST1000NM0031 ST500NM0031 FIPS 140-2 Level 2 models ST2000NM0051 ST1000NM0051 ST500NM0051 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 Drive specification Formatted (512 bytes/sector)* Guaranteed sectors Heads Discs Bytes per sector Default sectors per track Default read/write heads Default cylinders Recording density, KBPI (Kb/in max) Track density, KTPI (ktracks/in avg.) Areal density, (Gb/in2 avg) Spindle speed (RPM) Internal data transfer (Mb/s max) Sustained data transfer rate OD (MB/s max) I/O data-transfer rate (MB/s max) ATA data-transfer modes supported Cache buffer ST2000NM0011 ST2000NM0031 ST2000NM0051 2TB 3,907,029,168 8 4 512 63 16 16,383 1523 237 324 7200 1300 147 600 PIO modes 0-4 Multiword DMA modes 0-2 Ultra DMA modes 0-6 64MB ST1000NM0011 ST1000NM0031 ST1000NM0051 1TB 1,953,525,168 4 2 ST500NM0011 ST500NM0031 ST500NM0051 500GB 976,773,168 2 1 Constellation ES Serial ATA Product Manual, Rev. D 5

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Constellation ES Serial ATA Product Manual, Rev. D
5
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 measure-
ment or definition, see the appropriate section of this manual.
Table 1:
Drive specifications summary
Standard models
Self-Encrypting Drive (SED) models
FIPS 140-2 Level 2 models
ST2000NM0011
ST2000NM0031
ST2000NM0051
ST1000NM0011
ST1000NM0031
ST1000NM0051
ST500NM0011
ST500NM0031
ST500NM0051
Drive specification
ST2000NM0011
ST2000NM0031
ST2000NM0051
ST1000NM0011
ST1000NM0031
ST1000NM0051
ST500NM0011
ST500NM0031
ST500NM0051
Formatted (512 bytes/sector)*
2TB
1TB
500GB
Guaranteed sectors
3,907,029,168
1,953,525,168
976,773,168
Heads
8
4
2
Discs
4
2
1
Bytes per sector
512
Default sectors per track
63
Default read/write heads
16
Default cylinders
16,383
Recording density, KBPI (Kb/in max)
1523
Track density, KTPI (ktracks/in avg.)
237
Areal density, (Gb/in
2
avg)
324
Spindle speed (RPM)
7200
Internal data transfer
(Mb/s max)
1300
Sustained data transfer rate OD
(MB/s max)
147
I/O data-transfer rate (MB/s max)
600
ATA data-transfer modes supported
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–6
Cache buffer
64MB