Seagate Surveillance HDD Product Manual, Rev. A
4
2.0
Drive Specifications
Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal power.
For convenience, the phrases
the drive
and
this drive
are used throughout this manual to indicate the following
drive models:
2.1
Specification summary tables
The specifications listed in
Table 1
are for quick reference. For details on specification measurement or definition,
refer to the appropriate section of this manual.
ST4000VX000
ST3000VX002
Table 1 Drive specifications summary for 4TB and 3TB models
Drive Specification*
ST4000VX000
ST3000VX002
Formatted capacity (512 bytes/sector)**
4000GB (4TB)
3000GB (3TB)
Guaranteed sectors
7,814,037,168
5,860,533,168
Heads
8
Disks
4
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)
1807kFCI
1550kFCI
Track density (avg)
340ktracks/in
Areal density (avg)
625Gb/in
2
536Gb/in
2
Internal data transfer rate (max)
1813Mb/s
Maximum sustained data rate, OD read (MB/s)
180MB/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)
610g / 1.345 lb
Average latency
5.1ms
Power-on to ready (max)
<17.0s
Standby to ready (max)
<17.0s
Average seek, read (typical)
Average seek, write (typical)
<12.0ms
<12.0ms
Startup current (typical) 12V
2.0A
Voltage tolerance (including noise)
5V: ±5%
12V: ±10%
Ambient temperature (drive case temperature)
0° to 70°C (operating)
–40° to 70°C (non-operating)
Temperature gradient
20°C per hour max (operating)
30°C per hour max (nonoperating)
Relative humidity
5% to 90% (operating)
5% to 95% (nonoperating)
Relative humidity gradient (max)
30% per hour
