Seagate Enterprise Capacity 3.5 HDD/Constellation ES Constellation ES (.1) SA - Page 9

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 SELF-ENCRYPTING DRIVE (SED) MODELS ST2000NM0011 ST2000NM0031 ST1000NM0011 ST500NM0011 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 Weight: (maximum) Average latency Power-on to ready (sec max) Standby to ready (sec max) Track-to-track seek time (ms typical) Average seek, read (ms typical) Average seek, write (ms typical) Startup current (typical) 12V (peak) Voltage tolerance (including noise) Ambient temperature Temperature gradient (°C per hour max) ST2000NM0011 ST2000NM0031 ST2000NM0051 2TB 3,907,029,168 8 4 512 63 16 16,383 1523 237 324 7200 1300 152 ST1000NM0011 ST1000NM0031 ST1000NM0051 1TB 1,953,525,168 4 2 ST500NM0011 ST500NM0031 ST500NM0051 500GB 976,773,168 2 1 600 PIO modes 0-4 Multiword DMA modes 0-2 Ultra DMA modes 0-6 64MB 710g (1.565 lb) 640g (1.411 lb) 610g (1.345 lb) 4.16ms 15 10 7 15 10 7 0.5 read / 0.8 write

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C
ONSTELLATION
ES S
ERIAL
ATA P
RODUCT
M
ANUAL
, R
EV
. F
4
2.0
D
RIVE 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
S
PECIFICATION 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
S
TANDARD MODELS
S
ELF
-E
NCRYPTING
D
RIVE
(SED)
MODELS
FIPS 140-2 L
EVEL
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)
152
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
Weight: (maximum)
710g (1.565 lb)
640g (1.411 lb)
610g (1.345 lb)
Average latency
4.16ms
Power-on to ready (sec max)
15
10
7
Standby to ready (sec max)
15
10
7
Track-to-track seek time (ms typical)
0.5 read / 0.8 write
Average seek, read (ms typical)
<8.5
Average seek, write (ms typical)
<9.5
Startup current (typical) 12V (peak)
2.8A
2.0A (optional configuration through Smart Command Transport)
Voltage tolerance (including noise)
5V ± 5% / 12V ± 10%
Ambient temperature
5° to 60°C (operating/tested)
–40° to 70°C (nonoperating)
Temperature gradient
(°C per hour max)
20°C (operating)
30°C (nonoperating)