Gateway 160GB 7200 RPM SATA Hard Drive - WMEST3160812AS

Feature	Specification
Formatted Capacity	160 GB
Guaranteed Sectors	312 581 808
Bytes per Sector	512
Default Sectors per Track	63
Default Read/Write Heads	16
Default Cylinders	16 383
Recording Density	790.7 kbits/in (KBPI) max.
Track Density	134.5 Ktracks/in (KTPI) avg.
Areal Density	106.35 Gbits/in2 avg.
Spindle Speed	7 200 RPM
Internal Data Transfer Rate	65 MB/sec max.
Sustained Data Transfer Rate	943 Mbits/sec max. (outside diameter)
I/O Data-Transfer Rate	300 MB/sec max.
ATA Data-Transfer Modes Supported	PIO modes 0?4 Multiword DMA modes 0?2 Ultra DMA modes 0?5
Cache Buffer	8 MB
Dimensions (H × W × L)	Approximately 26.1 × 101.6 × 146.99 mm (1.028 × 4.000 × 5.787 inches)
Weight	580 grams (1.28 lb.) max.
Average Latency	4.16 msec
Power-On to Ready	11.0 sec max.
Standby to Ready	11.0 sec max.
Track-to-Track Seek Time	Read: 0.8 msec typ. Write: 1.0 msec typ.
Average Seek Time	Read: <11.0 msec typ. Write: <12.0 msec typ.
Startup Current; 12 V (Peak)	2.6 amps typ.
Voltage Tolerance (Including Noise)	5 V ±5% 12 V ±10%
Ambient Temperature	Operating: 0° to 60°C Non-operating: ?40° to 70°C
Temperature Gradient	Operating: 20°C per hour max. Non-operating: 30°C per hour max.
Relative Humidity	Operating: 5% to 90% Non-operating: 5% to 95%
Relative Humidity Gradient	30% per hour max.
Wet Bulb Temperature	Operating: 37.7°C max. Non-operating: 40°C max.
Altitude	Operating: ?60.96 m to 3 048 m (?200 ft. to 10 000 ft.) Non-operating: ?60.96 m to 12 192 m (?200 ft. to 40 000 ft.) (below mean sea level max.)
Shock	Operating: 63 Gs max. at 2 msec Non-operating: 350 Gs max. at 2 msec
Vibration	Operating: 5?22 Hz: 0.25 Gs limited displacement 23?350 Hz: 0.5 Gsv350?500 Hz: 0.25 Gs Non-operating: 5?22 Hz: 0.25 Gs limited displacement 23?350 Hz: 5.0 Gs 350?500 Hz:: 1.0 Gs
Drive Acoustics (Sound Power)	Idle: 2.5 typ. 2.7 max. Quiet Seek: 2.8 typ. 3.0 max.
Non-Recoverable Read Errors	1 per 1014 bits Read
Contact Start-Stop Cycles	50 000 at 25°C 50% relative humidity
Supports Hotplug Operation per SATA II Specification	Yes