Specifications

DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK —VERSION 1.5
37
Capacity (bytes) 320,072,933,376
Dimensions inches (W x D x H) 5.87 x 4 x 1 (includes sled)
Interface type and Maximum speed Up to 3Gb/s
Internal buer size 16 MB
Average Seek Time 8.5 ms
Rotational Speed 7200 rpm
Logical Blocks 625,142,448
Power Source
Power Consumption (reference only) Idle 0.7W, Active 3.25W
Spin Up Current (reference only) 5V (1A)
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
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.)
NOTE: FIPS certified SED HDD will be made available in Q2 2011.
2.5” 320GB OPAL SED SATA HDD