DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK —VERSION 1.5
34
1
For hard drives, GB means 1 billion bytes ; actual capacity varies with preloaded material and operating environment and will be less.
HARD DRIVES
1
(CONT.)
Environmental Operating Conditions (Non-Condensing):
Temperature Range
5
0
C to 60
0
C
Relative Humidity Range
20% to 80% non-condensing
Maximum Wet Bulb Temperature
29
0
C
Altitude Range
-50 ft to 10000 ft
Environmental Non-Operating Conditions (Non-Condensing):
Temperature Range
-40
0
C to 65
0
C
Relative Humidity Range
10% to 90% non-condensing
Maximum Wet Bulb Temperature
38
0
C
Altitude Range
-50 ft to 35000 ft
3.5” 250GB SATA 7200 RPM HDD
Capacity (bytes)
250,059,350,016
Dimensions inches (W x D x H)
5.87 x 4 x 1
Interface type and Maximum speed
Up to 6Gb/s (SATA 3.0)
Up to 3Gb/s (SATA 2.0)
Internal bu
ff
er size
8 MB
Average Seek Time
8.5 ms
Rotational Speed
7200 rpm
Logical Blocks
488,397,168
Power Source
Power Consumption (reference only)
Idle 5.0W, Active 10.0W(running IOmeter utility)
Spin Up Current (reference only)
5V (1A) ,12V (2A)
