Seagate ST4000VX002, Руководство по эксплуатации продукта

Страница: 8 / 34

Seagate NAS HDD and NAS +SRS HDD Product Manual, Rev. E 7
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.
Standard models +Rescue model
ST4000VX000 ST3000VX002 ST4000VX002
Table 1 Drive specifications summary for NAS HDD +SRS models
Drive Specification ST4000VX000 and ST4000VX002 ST3000VX002
Formatted capacity
(512 bytes/sector)*
4000GB
(4TB)
3000GB
(3TB)
Guaranteed sectors 7,814,037,168 5,860,533,168
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 1849kFCI
Track density (avg) 390 ktracks/in
Areal density (avg) 811Gb/in
2
730Gb/in
2
Internal data transfer rate (max) 2111Mb/s 1858Mb/s
Maximum sustained data rate,
OD read (MB/s)
190MB/s
I/O data-transfer rate (max) 600MB/s
Cache buffer 64MB
Height (max) 26.1mm / 1.028 in
Width (max) 101.85mm /4.010 in
Length (max) 146.99mm / 5.787 in
Weight (typical) 635g /1.40 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) <12.0 ms typical
<12.0 ms typical
Startup current (typical) 12V (peak) <=1.8A
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) 70°
†