DELL™ OPTIPLEX™ 780 TECHNICAL GUIDEBOOK V2.0
28
HARD DRIVES (CONT.)
3.5” 250GB SATA 7200 RPM HDD (CONT.)
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
3.5” 320GB SATA 7200 RPM HDD
Capacity (bytes)
320,072,933,376
Dimensions
inches (W x D x H)
5.87 x 4 x 1
Interface type and Maximum speed
Up to 3Gb/s
Internal buffer size
16 MB
Average Seek Time
8.5 ms
Rotational Speed
7200 rpm
Logical Blocks
625,142,448
Power Source
DC Power (Max)
Idle 7.0W, Active 10.0W
DC Current
5V (.8A) and 12V (1.8A)
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
