Seagate Momentus 5400.2 Blade Server Product Manual page 10

Table 1: Specifications
Drive specification
Average seek, read (msec typical)
Average seek, write (msec typical)
Full-stroke seek (msec)
Seek power (typical)
Read/write power (typical)
Idle mode (typical)
Standby mode
Sleep mode
Voltage tolerance
(including noise)
Ambient temperature
Temperature gradient
(°C per hour max, noncondensing)
Relative humidity
(noncondensing)
Relative humidity gradient
Wet bulb temperature (°C max)
Altitude, operating
Altitude, nonoperating
(below mean sea level, max)
Shock, operating (Gs max at 2 msec)
Shock, nonoperating
(Gs max at 2 msec)
Shock, nonoperating
(Gs max at 1 msec)
Shock, nonoperating
(Gs max at 0.5 msec)
Vibration, operating
(max displacement may
apply below 10 hz)
Vibration, nonoperating
(max displacement may apply below
22 hz)
Drive acoustics, sound power (bels)
Idle***
Performance seek
Nonrecoverable read errors
Annualized Failure Rate (AFR)
Load/Unload (U/UL) cycles
25°C, 50% relative humidity
32°C, 80% relative humidity
5°C, 80% relative humidity
5°C, 10% relative humidity
55°C, 16% relative humidity
Service life
4
ST9120821AB ST9100824AB
12.5
14.5
22 (typical); 24 (max)
2.0 watts
Read: 1.8 watts
Write: 1.8 watts
0.80 watts
0.26 watts (typical)**
0.26 watts (typical)**
5V ± 5%
5° to 55°C (operating)
–40° to 70°C (nonoperating)
20°C (operating)
30°C (nonoperating)
5% to 90% (operating)
5% to 95% (nonoperating)
30% per hour max
30°C (operating)
40°C (nonoperating)
–304.8 m to 3,048 m (–1000 ft to 10,000 ft)
–304.8 m to 12,192 m (–1,000 ft to 40,000 ft)
250
800
900
400
1.0 Gs (0 to peak, 5–500 Hz)
5.0 Gs (0 to peak, 10–500 Hz)
2.4 (typical)
2.6 (max)
2.9 (typical)
3.1 (max)
14
1 per 10 bits read
1.74% at maximum case temperature of 40°C and 8,760 power on hours (POH)
600,000 software-controlled power on/off cycles
20,000 hard power on/off cycles
600,000 software-controlled power on/off cycles
20,000 hard power on/off cycles
5 Years
Momentus 5400.2 Blade Server Product Manual, Rev. B
ST98823AB ST96812AB ST94813AB