Gateway 160GB 7200-RPM 80GPP Hard Drive - WMEWD1600JB-53EVA0

Feature	Specification
Performance
Average seek	Read: 8.9 ms Write: 10.9 ms
Track-to-track seek	2.0 ms avg.
Full stroke seek	21 ms avg.
Index pulse period	8.3 ms (nominal)
Average latency	4.2 ms (nominal)
Rotational speed	7 200 RPM (nominal)
Data transfer rate (maximum)	Buffer to host: 100 MBps (Mode 5 Ultra ATA) 66.6 MBps (Mode 4 Ultra ATA) 33.3 MBps (Mode 2 Ultra ATA) 16.6 MBps (Mode 4 PIO) 16.6 MBps (Mode 2 Multi-word DMA) Buffer to disk: 748 Mbps
Interleave	1:1
Buffer size	8 MB
Error rate - unrecoverable	<1 in 1014 bits read
Spindle start time	From power-on to drive ready: 9.0 s avg. From power-on to rotational speed: 7.0 s avg.
Spindle stop time	8.0 s avg.
Contact start/stop cycles (CSS)	50 000 minimum
Physical
Capacity (where 1 MB = 1 000 000 bytes)	160 041 MB
Interface	40-pin EIDE
Actuator type	Rotary Voice Coil
Number of disks	2
Data surfaces	4
Number of heads	4
Bytes per sector	512
User sectors per drive	312 581 808
Servo type	Embedded
Recording method EPR4	Rate16/17 PRML
ECC	Reed Solomon
Head park	Automatic
Dimensions (H × L × W)	1.028 × 5.787 × 4.00 inches (26.0 × 147.0 × 101.6 mm)
Weight	1.32 lbs (0.60 kg)
Electrical
Input voltage requirements	+5.0 V ±5% and +12 V ±10%
Spinup	12 VDC: 1.8 A maximum 5 VDC: 680 mA Power average: 18.8 W
Read / Write	12 VDC: 430 mA 5 VDC: 730 mA Power avg: 8.8 W
Seek	12 VDC: 730 mA 5 VDC: 750 mA Power avg: 12.5 W
Idle	12 VDC: 400 mA 5 VDC: 680 mA Power avg: 8.3 W
Standby	12 VDC: 20 mA 5 VDC: 19 mA Power avg: 1.2 W
Sleep	12 VDC: 20 mA 5 VDC: 85 mA Power avg: 0.7 W
Environmental
Shock	Operating: 20G 2 ms (write); 65G 2 ms (read) Non-operating: 300G 2 ms
Temperature	Operating: 5 to 55° C (41 to 131° F) Non-operating: –40 to 65° C (–40 to 149° F)
Relative humidity (non-condensing)	Operating: 5 to 95% Non-operating: 5 to 95%
Maximum wet bulb	Operating: 33° C Non-operating: 35° C
Regulatory
Certifications	FCC UL CSA TUV CE