Specification Sheet

Seagate BarraCuda Product Manual, Rev. D 8
www.seagate.com Drive Specifications
Table 2 Drive specifications summary for 4TB, 3TB & 2TB model
Drive Specification* ST4000DM004 ST3000DM007 ST2000DM005
Formatted capacity (512 bytes/sector)** 4000GB (4TB) 3000GB (3TB) 2000GB (2TB)
Guaranteed sectors 7,814,037,168 5,860,533,168 3,907,029,168
Heads 432
Disks 2 1
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) 2294 kB/in
Track density (avg) 540 ktracks/in
Areal density (avg) 1203 Gb/in
2
SATA interface transfer rate 600 MB/s
Maximum data transfer rate 190 MB/s
ATA data-transfer modes supported
PIO modes: 0 to 4
Multiword DMA modes: 0 to 2
Ultra DMA modes 0 to 6
Cache buffer 256MB
Height (max) 20.17mm / 0.794 in
Width (max) 101.6mm (± 0.25) / 4.0 in (± 0.010)
Length (max) 146.99mm / 5.787 in
Weight (typical) 490g / 1.08 lb 415g / 0.915 lb
Average latency 6.0 ms
Power-on to ready (typ) 10.0s 8.0s
Standby to ready (typ) 10.0s 8.0s
Startup current (typical) 12V 2.0A
Voltage tolerance (including noise)
5V ±5%
12V ±10%
Non-Operating (Ambient °C) –40° to 70°
Operating ambient temperature (min °C) 0°
Operating temperature (drive case max °C) 60°
†
Temperature gradient
20°C per hour max (operating)
30°C per hour max (non-operating)
Relative humidity
5% to 90% (operating)
5% to 95% (non-operating)
Relative humidity gradient (max) 30% per hour
Wet bulb temperature (max)
30°C max (operating)
40°C max (non-operating)
Altitude, operating
–304m to 3048m
(–1000 ft to 10,000 ft)
Altitude, non-operating
(below mean sea level, max)
–304m to12,192m
(–1000 ft to 40,000+ ft)
Operational shock (max) 80 Gs (read) / 70 Gs (write) at 2ms
Non-operational shock (max) 300 Gs at 2ms 350 Gs at 2ms
Vibration, operating
10Hz to 22Hz: 0.25 Gs, Limited displacement
22Hz to 350Hz: 0.50 Gs
350Hz to 500Hz: 0.25 Gs