Gateway 160GB 7200 RPM Serial ATA Hard Drive - 5503332

Feature	Specification
Rotational speed (RPM)	7 200
Buffer size	8 MB
Average latency	4.2 milliseconds (ms)
Average read seek	8.9 ms (average)
Average write seek	10.9 ms (average)
Track-to-track seek time	2.0 ms (average)
Full stroke read seek	21 ms (average)
Buffer to host (Serial ATA) transfer rate	1 200 Mbits/s (maximum)
Buffer to disk transfer rate	748 Mbits/s (maximum)
Number of heads	4
Number of platters	2
Formatted capacity	160 041 MB
Interface	Serial ATA (SATA)
Actuator type	Rotary voice coil
Bytes Per Sector	512
User sectors per drive	312 581 808
Servo type	Embedded
Current requirements
12 VDC	Read/Write 450 mA Idle 470 mA Standby 23 mA Sleep 23 mA
5 VDC	Read/Write 800 mA Idle 750 mA Standby 330 mA Sleep 200 mA
Power Dissipation	Read/Write 12.80 Watts Idle 9.50 Watts Standby 1.90 Watts Sleep 1.30 Watts
Environmental
Temperature	5 to 55° C (operating) -40 to 65° C (non-operating)
Relative humidity (operating)	5 to 95% (non-condensing)
Shock (operating)	65 Gs (read) 2ms
Shock (non-operating)	300 Gs 2 ms
Dimensions
Height	1.028 inches
Width	4.0 inches
Length	5.787 inches
Weight	1.32 pounds