Seagate ST1000NX0303, Product Manual

Page: 9 / 40

Seagate Enterprise Capacity 2.5 HDD v3 SATA Product Manual, Rev. E 8
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
Sector Size Standard models
Self-Encrypting Drive
(SED) models
4096N
ST2000NX0243 ST2000NX0283
ST1000NX0303 ST1000NX0343
512E
ST2000NX0253 ST2000NX0303
ST1000NX0313 ST1000NX0353
512N
ST2000NX0403
ST1000NX0423
Drive specification
ST2000NX0243
ST2000NX0283 ST2000NX0253
ST2000NX0303
ST2000NX0403 ST1000NX0423
ST1000NX0313
ST1000NX0353 ST1000NX0303
ST1000NX0343
Formatted (512 bytes/sector)* 2TB 1TB
Guaranteed sectors 488,378,646 3,907,029,168 1,953,525,168 244,190,646
Heads 10 5
Discs 5 3
Bytes per sector 4096 512 4096
Recording density
KBPI (Kb/in max)
1889
1998 1889
Track density, KTPI (ktracks/in avg.) 315
335 315
Areal density, (Gb/in
2
avg) 585
640 585
Spindle speed (RPM) 7200
Internal data transfer rate
(Mb/s max)
2160
Sustained data transfer rate OD
(MiB/s max)
130 (136 MB/s max)
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 128MB (129,536KB)
Weight: (maximum) 198g (0.437 lb) 190g (0.419 lb)
Average latency 4.16ms
Power-on to ready (sec) (max) 20
Standby to ready (sec) (max) 20
Startup current
(typical) 12V (peak)
2.0A
1.85A (optional configuration through Smart Command Transport)
Voltage tolerance
(including noise)
5V ±5%
12V ±5%
Ambient temperature
5° to 55°C (operating/tested)
–40° to 70°C (nonoperating)