Gateway 160GB 7200-RPM Hard Drive - WMEHDT722516DLAT80

Feature	Specification
Physical Layout
Label Capacity	160 GB
Bytes per Sector	512
Sectors per Track	594-1242
Number of Heads	3
Number of Disks	2
Data Sectors per Cylinder	1782-3726
Data Cylinders per Zone	601-7060
Logical Layout
Number of Heads	16
Number of Sectors per Track	63
Number of Cylinders	16 383
Number of Sectors	321 672 960
Total Logical Data Bytes	64 696 555 520
Mechanical Positioning Performance
Data Transfer Rate	807.8 Mbps
Interface Transfer Rate	133 Mbps
Data Buffer Size	8192 KB
Rotational Speed	7200 RPM
Number of Buffer Segments	Read: Up to 128 Write: Up to 63
Recording Density	712.4 Kbpi max
Track Density	114 TPI
Areal Density	81.21 Gbits/in2 max
Number of Data Bands	30
Average Seek Times
Read	8.2 ms min 9.2 ms max
Write	9.2 ms min 10.2 ms max
Read (Quiet Seek Mode)	19.5 ms min 20.5 ms max
Write (Quiet Seek Mode)	20.5 ms min 21.5 ms max
Full Stroke Seek Times
Read	14.7 ms typ 17.7 ms max
Write	15.7 ms typ 18.7 ms max
Read (Quiet Seek Mode)	32.5 ms typ 35.5 ms max
Write (Quiet Seek Mode)	33.5 ms typ 36.5 ms max
Single Track Seek Times
Read	0.8 ms typ 1.5 ms max
Write	1.3 ms typ 2.0 ms max
Read (Quiet Seek Mode)	0.8 ms typ 1.5 ms max
Write (Quiet Seek Mode)	1.3 ms typ 2.0 ms max
DC Power Requirements
Input Voltage	5 V ±5% 12 V +10% -8%
Absolute Max Spike Voltage	+5 V: -0.3 V to 7 V +12 V: -0.3 V to 15 V
Environmental
Temperature	Operating: 5° C to 55° C (See note below) Non-operating: -40° C to 65° C
Relative Humidity	Operating: 8% to 90% non-condensing Non-operating: 5% to 95% non-condensing
Maximum Wet Bulb Temperature	Operating: 29.4° C non-condensing Non-operating: 35° C non-condensing
Maximum Temperature Gradient	15° C/hour
Altitude	Operating: -300 to 3 048 m Non-operating: -300 to 12 000 m
Reliability
Start/Stop Cycles	50 000 minimum in a 40° C environment 10 000 minimum in extreme temperature or humidity within the operating range
Error Rate (Non-Recoverable)	1 in 1014 bits read
Physical
Dimensions (H × W × L)	25.4 × 101.6 × 146.0 mm
Weight	640 grams max
Certifications
Safety	UL CSA TUV
EMC	CE C-TICK BSMI