Drive Specifications; Specification Summary Tables - Seagate Constellation ES Product Manual

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 ST1000NM0031
ST500NM0011 ST500NM0031
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
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.)
2
Areal density, (Gb/in 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
Constellation ES Serial ATA Product Manual, Rev. D
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
FIPS 140-2 Level 2 models
ST2000NM0051
ST1000NM0051
ST500NM0051
ST1000NM0011
ST1000NM0031
ST1000NM0051
1TB
1,953,525,168
4
2
ST500NM0011
ST500NM0031
ST500NM0051
500GB
976,773,168
2
1
5