VERSION 1.0 29
DELL™ OPTIPLEX™ 740 TECHNICAL GUIDE
29
harD DrivEs
5
, cont.
160 GB SATA 7200 RPM HDD, cont.
MT DT SFF
Capacity (bytes)
160,041,885,696
Dimensions i n c h e s (W x D x h)
5.87 x 4 x 1
Interface Type and Maximum Speed
Up to 3 GB/s
Internal Buer Size (range)
8 MB
Average Seek Time
8.5 ms
Rotational Speed
7200 rpm
Logical Blocks
312,581,808
Power Source
DC Power (Max)
Idle 7.0W, Active 10.0W
DC Current
5V (.8A) and 12V (1.8A)
Environmental Operating Conditions
Temperature Range
41°F – 140°F (5°C – 60°C)
Relative Humidity Range
20% – 80% non-condensing
Maximum Wet Bulb Temperature
84°F (29°C)
Altitude Range
-50 ft – 10000 ft
Environmental Non-Operating Conditions
Temperature Range
-40°F – 149°F (-40°C – 65°C)
Relative Humidity Range
10% – 90% non-condensing
Maximum Wet Bulb Temperature
100.4°F (38°C)
Altitude Range
-50 ft – 35000 ft
250 GB SATA 7200 RPM HDD
MT DT SFF
Capacity (bytes)
250,059,350,016
Dimensions i n c h e s (W x D x h)
5.87 x 4 x 1
Interface Type and Maximum Speed
Up to 3 GB/s
Internal Buer Size (range)
8-16 MB
Average Seek Time
8.5 ms
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For hard drives, GB means 1 billion bytes and TB equals 1 trillion bytes; actual capacity varies with preloaded material and operating environment and will be less.