Specifications

DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK —VERSION 1.5
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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
3.5” 1TB SATA 7200 RPM HDD
Capacity (bytes) 1,000,204,886,016
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er size 32 MB
Average Seek Time 8.5 ms
Rotational Speed 7200 rpm
Logical Blocks 1,953,525,168
Power Source
Power Consumption (reference only) Idle 5.0W, Active 10.0W(running IOmeter utility)
Spin Up Current (reference only) 5V (1A) ,12V (2A)
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
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
Environmental Non-Operating Conditions (Non-Condensing):