Seagate BarraCuda Product Manual, Rev. D
8
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
4
3
2
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
