Environmental Conditions And Reliability - Hitachi Ultrastar SCSI Interface HUS103014FL3600 Oem Manual

3.2 Environmental conditions and reliability

Table 3.2 Environmental conditions and reliability
Item
Environmental
conditions
Temperature non-operating
Temperature gradient
Humidity
Wet bulb temperature
Atmosphere
Altitude
Magnetic field
Shock and Vibration
vibration
(see Note 6) non-operating
Shock
(see Note 7) non-operating
Acoustic noise Acoustic noise (see Note 8)
Reliability
Data Reliability (see Note 9)
Seek error rate (see Note 9)
(see Note 10)
Life
MTBF (see Note 11)
Ultrastar
10K300-300
operating
storage/shipping
operating
non-operating
operating
non-operating
operating
operating
Recoverable error:
Non-recoverable error: 10 errors in 10 16 bits read
5 years (Surface temperature of HDA is 45°C or less)
Life of the drive does not change in the case that the
drive is used intermittently. (See section 7.6)
Ultrastar
10K300-147 10K300-73
5 to 55°C
-40 to 70°C
-40 to 70°C
20°C per hour maximum
5 to 90%RH
5 to 90%RH
29°C maximum (non condensing)
No corrosive gas, saline atmosphere
or organic-metal compound
(Example. organic silicon,organic tin)
-300 to 3,000 m
-300 to 12,000 m
400 micro Tesla maximum
9.8 m/s 2 (1.0G) maximum
49 m/s 2 (5.0G) maximum
147 m/s 2 (15G) maximum [11ms]
735 m/s 2 (75G) maximum [11ms]
2450m/s 2 (250G) maximum [2ms]
3.4 bel average
10 errors in 10 12 bits read
10 errors in 10 8 seeks
Expected 1,200,000 hours
Drawing No. Sheet No. Revision
K6610091 11/43
Ultrastar Ultrastar
10K300-36
2005/2/23