Gateway 250GB 7200 RPM Ultra ATA Hard Drive With 2MB Cache - 5508836R

Feature	Specification
Performance
Rotational Speed	7 200 RPM (nominal)
Buffer Size	2 MB
Average Latency	4.20 ms (nominal)
Contact Start/Stop Cycles	50 000 minimum
Seek Times	Read Seek Time 8.9 ms Write Seek Time 10.9 ms (average) Track-To-Track Seek Time 2.0 ms (average) Full Stroke Seek 21.0 ms (average)
Transfer Rates	Buffer To Host (EIDE) 100 MB/s (Max) Buffer To Disk 748 MBits/s (Max)
Physical
Formatted Capacity	250 059
Capacity	250 GB
Interface	EIDE 100 MB
User Sectors Per Drive	488 397 168
Physical Dimensions	Height 1.028 inches (26.1 mm) max Length 5.787 inches (147 mm) max Width 4.00 inches (± 0.010 inch) (101.6 mm)
Weight	1.32 pounds (0.6 kg)
Environmental
Shock	Operating Shock (Read) 65G 2 ms Non-operating Shock 250G 2 ms
Acoustics	Idle Mode 28 dBA (average) Seek Mode 0 33 dBA (average)
Temperature	Operating 41° F. to 131° F. (5° C. to 55° C.) Non-operating -40° F. to 149° F. (-40° C. to 65° C.)
Humidity	Operating 5-95% RH non-condensing Non-operating 5-95% RH non-condensing
Altitude	Operating -1 000 feet to 10 000 feet (-305M to 3 050M) Non-operating -1 000 feet to 40 000 feet (-305M to 12 200M )
Vibration	Operating Linear 20-300 Hz 0.75 G (0 to peak) Random 10-300 Hz 0.004 g / Hz Non-operating Low Frequency 5-20 Hz 0.195 inches (double amplitude) High Frequency 20-500 Hz 4.0G (0 to peak)
Electrical
Requirements	12 VDC Read/Write 530 mA Idle 510 mA Standby 30 mA Sleep 30 mA
5 VDC	Read/Write 450 mA Idle 400 mA Standby 150 mA Sleep 120 mA
Power Dissipation	Read/Write 8.60 Watts Idle 8.10 Watts Standby 1.10 Watts Sleep 1.00 Watts