Seagate Barracuda 4TB 5400 RPM Desktop Internal Hard Drive ST4000DM004

Compliant with RoHS requirements in China and Europe.
High instantaneous (burst) data-transfer rates (up to 600MB per second).
Native Command Queuing with command ordering to increase performance in demanding applications.
Quiet operation.
SeaTools diagnostic software performs a drive self-test that eliminates unnecessary drive returns.
State-of-the-art cache and on-the-fly error-correction algorithms.
Support for S.M.A.R.T. drive monitoring and reporting.
Supports latching SATA cables and connectors.
TGMR recording technology provides the drives with increased areal density.
Worldwide Name (WWN) capability uniquely identifies the drive.

Specification :

Formatted capacity (512 bytes/sector)** 4000GB (4TB)
Guaranteed sectors 7,81,40,37,168
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 (ą 0.25) / 4.0 in (ą 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 ą5%
12V ą10%
Non-Operating (Ambient ĄC) ŰŇ40Ą to 70Ą
Operating ambient temperature (min ĄC) 0Ą
Operating temperature (drive case max ĄC) 60Ą
Temperature gradient 20ĄC per hour max (operating)
30ĄC 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) 30ĄC max (operating)
40ĄC max (non-operating)
Altitude, operating ŰŇ304m to 3048m
(ŰŇ1000 ft to 10,000 ft)
Altitude, non-operating ŰŇ304m to12,192m
(below mean sea level, max) (ŰŇ1000 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 25ĄC, 50% rel. humidity
Warranty 2 Years