Dell OptiPlex 780 User Manual
Page 31
DELL™ OPTIPLEX™ 780 TECHNICAL GUIDEBOOK V1.0
31
HARD DRIVES (CONT.)
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)
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
DC Power (Max)
Idle 1.0W, Active 3.25W
DC Current
5V (.8A)
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