Seagate 4TB Barracuda 5400 RPM

Specification

Formatted capacity (512 bytes/sector)**	4000GB (4TB)
Guaranteed sectors	7,814,037,168
Heads	4
Disks	2
Bytes per sector	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
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
Average latency	6.0 ms
Power-on to ready (typ)	10.0s
Standby to ready (typ)	10.0s
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
Vibration, operating	10Hz to 22Hz: 0.25 Gs, Limited displacement 22Hz to 350Hz: 0.50 Gs 350Hz to 500Hz: 0.25 Gs
Vibration, non-operating	5Hz to 22Hz: 3.0 Gs 22Hz to 350Hz: 3.0 Gs 350Hz to 500Hz: 3.0 Gs
Idle	2.2 bels (typical) 2.4 bels (max
Seek	2.4 bels (typical) 2.7 bels (max)
Non-recoverable read errors	1 per 1015bits read
Load/unload cycles	600,000 at 25°C, 50% rel. humidity
Warranty	2 Years
Note	***Features, Price and specifications are subject to change without notice.

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