Твърд диск 4TB Seagate Barracuda, SATA 6Gb/s, 5900 rpm, 64MB, 3.5" (8.89 cm)

Seagate Barracuda 4TB
ST4000DM005

Formatted capacity (512 bytes/sector)** 4000GB (4TB)
Guaranteed sectors 7,814,037,168
Heads 6
Disks 3
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) 2054kFCI
Track density (avg) 390ktracks/in
Areal density (avg) 811Gb/in2
Internal data transfer rate (max) 2111Mb/s
Average data rate, read/write (MB/s) 161MB/s
Maximum sustained data ra
te, OD read (MB/s) 190MB/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) 635g / 1.400 lb
Average latency 5.1ms
Power-on to ready (max) 15.0s
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%
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)


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