Dell 980 manual 250GB Sata 7200 RPM HDD

Altitude Range

-50 ft to 35000 ft

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
DC Power (Max)	Idle 1.0W, Active 3.25W
DC Current	5V (.8A)
Environmental Operating Conditions (Non-Condensing):
Temperature Range	50C to 600C
Relative Humidity Range	10% to 90% non-condensing
Maximum Wet Bulb Temperature	290C
Altitude Range	-50 ft to 10000 ft
Environmental Non-Operating Conditions (Non-Condensing):
Temperature Range	-400C to 650C
Relative Humidity Range	10% to 90% non-condensing
Maximum Wet Bulb Temperature	380C
Altitude Range	-50 ft to 35000 ft
2.5” 320GB SATA 7200 RPM HDD
Capacity (bytes)	320,072,933,376
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
OptiPlex 980 Technical Guidebook	Page 37