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CONSTELLATION ES SERIAL ATA PRODUCT MANUAL, REV. F 4
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.
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)
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)