Seagate SkyHawk AI Serial ATA Product Manual, Rev. C
8
2.3
Recording and interface technology
2.4
Start/stop times
2.5
Power specifications
The drive receives DC power (+5V or +12V) through a native SATA power connector. See
.
2.5.1
Power consumption
Power requirements for the drives are listed in
. Typical power measurements are based on an average of drives tested, under
nominal conditions, using 5.0V and 12.0V input voltage at 25°C ambient temperature.
Interface
Serial ATA (SATA)
Recording method
Perpendicular
Recording density, KBPI (Kb/in max)
2509
Track density, KTPI (ktracks/in, 0 Skew)
371
Areal density (Gb/in
2
, @ 0 skew mid-disk)
930
Spindle speed (RPM) (± 0.2%)
7200
Internal data transfer rate (Mb/s max)
2850
Sustained data transfer rate OD Up to
255 MB/s max
I/O data-transfer rate (MB/s max)
600 (Ultra DMA mode 5)
Power-on to Ready (sec) (typ/max)
23/30
Standby to Ready (sec) (typ/max)
23/30
Ready to spindle stop (sec) (max)
23
Table 2
DC Power Requirements (5-disk)
Power Dissipation
Avg (25°C) (Watts)
Avg 5V typical (Amps)
Avg 12V typical (Amps)
Spinup (max)
2.0A
Idle
1
1.
During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and power to operational
levels.
* Based on IDEMA 3 Stream workload
7.4
0.200
0.540
Read/Write
8.8
0.348
0.584
Standby
0.74
0.148
0.004
Sleep
0.74
0.148
0.004