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Seagate Desktop HDD Product Manual, Rev. F 3
www.seagate.com Drive Specifications
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 Table 1 are for quick reference. For details on specification measurement or definition,
refer to the appropriate section of this manual.
ST4000DM000 ST3000DM003
Table 1 Drive specifications summary for 4TB and 3TB models
Drive Specification* ST4000DM000 ST3000DM003
Formatted capacity (512 bytes/sector)** 4000GB (4TB) 3000GB (3TB)
Guaranteed sectors 7,814,037,168 5,860,533,168
Heads 8
Disks 4
Bytes per sector
(4K physical emulated at 512-byte
sectors)
4096
Default sectors per track 63
Default read/write heads 16
Default cylinders 16,383
Recording density (max) 1807kFCI 1550kFCI
Track density (avg) 340ktracks/in
Areal density (avg) 625Gb/in2 536Gb/in2
Internal data transfer rate (max) 1813Mb/s
Average data rate, read/write (MB/s) 146MB/s
Maximum sustained data rate, OD read
(MB/s)
180MB/s
ATA data-transfer modes supported
PIO modes: 0 to 4
Multiword DMA modes: 0 to 2
Ultra DMA modes 0 to 6
I/O data-transfer rate (max) 600MB/s
Cache buffer 64MB
Height (max) 26.1mm / 1.028 in
Width (max) 101.6mm /4.0 in (+ 0.010 in)
Length (max) 146.99mm / 5.787 in
Weight (typical) 610g / 1.345 lb
Average latency 5.1ms
Power-on to ready (max) <18.0s
Standby to ready (max) <15.0s
Average seek, read (typical)
Average seek, write (typical)
<12.0ms typical
<12.0ms typical
Startup current (typical) 12V 2.0A
Voltage tolerance (including noise)
5V: ±5%
12V: ±10%
Ambient temperature
0° to 60°C (operating)
–40° to 70°C (non-operating)