Dell OptiPlex 990 Technical Guide - Page 39

Dell™ Optiplex™ 990, 5 250gb Sata 7200 Rpm Hdd

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DELL™ OPTIPLEX™ 990 TECHNICAL GUIDEBOOK -V 1.0 HARD DRIVES1 (CONT.) 2.5" 250GB SATA 7200 RPM HDD Capacity (bytes) Dimensions inches (W x D x H) Interface type and Maximum speed Internal buffer size Average Seek Time Rotational Speed Logical Blocks Power Source Power Consumption (reference only) Spin Up Current (reference only) Environmental Operating Conditions (Non-Condensing): Temperature Range Relative Humidity Range Maximum Wet Bulb Temperature Altitude Range Environmental Non-Operating Conditions (Non-Condensing): Temperature Range Relative Humidity Range Maximum Wet Bulb Temperature Altitude Range 250,059,350,016 Approximately (3.93 x 2.75 x 0.374 inches) Up to 3Gb/s 16 MB 12 ms (Read) 7200 rpm 488,397,168 Idle 0.7W, Active 3.25W 5V (1A) 50C to 600C 10% to 90% non-condensing 290C -50 ft to 10000 ft -400C to 650C 10% to 90% non-condensing 380C -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. 39

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DELL™ OPTIPLEX™ 990
TECHNICAL GUIDEBOOK
—
V 1.0
39
1
For hard drives, GB means 1 billion bytes ; actual capacity varies with preloaded material and operating environment and will be less.
2.5” 250GB SATA 7200 RPM HDD
Capacity (bytes)
250,059,350,016
Dimensions inches (W x D x H)
Approximately (3.93 x 2.75 x 0.374 inches)
Interface type and Maximum speed
Up to 3Gb/s
Internal buffer size
16 MB
Average Seek Time
12 ms (Read)
Rotational Speed
7200 rpm
Logical Blocks
488,397,168
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
10% to 90% 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
HARD DRIVES
1
(CONT.)