Dell OptiPlex 780 - 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