Gateway 120GB 7200 RPM SATA Hard Drive with 2MB Cache - WMEHDS722512VLSA80

Feature	Description
Physical Layout
Label capacity	120 GB
Bytes per Sector	512
Sectors per Track	567-1170
Number of Heads	3
Number of Disks	2
Data Sectors per Cylinder	1701-3510
Data Cylinders per Zone	1444-4501
Logical Layout
Number of Heads	16
Sectors per Track	63
Number of Cylinders	16 383
Number of Sectors	241 254 720
Total Logical Data Bytes	123 522 416 640
Performance
Data Transfer Rate	() 757 Mbps
Interface Transfer Rate	() 100 Mb/s
Data Buffer Size	2 MB
Rotational Speed	7200 RPM
Number of Buffer Segments	Read: Up to 128 Write: Up to 63
Recording Density	() 689 Kbpi max.
Track Density	90 TPI
Areal Density	() 62 Gbits/in2 max.
Number of Data Bands	30
Full Stroke Seek Time	Read: 14.7 ms typ. Write: 15.7 ms typ. Quiet seek mode read: 32.5 ms typ. Quiet seek mode write: 33.5 ms typ.
Single Track Seek Time	Read: 0.8 ms typ. Write: 1.3 ms typ. Quiet seek mode read: 0.8Ms typ. Quiet seek mode write: 1.3 typ.
Power Requirements
Input Voltage Supply	+5 V / +12 V
Idle Average	5 V: 400 mA 12 V: 375 mA Total Watts: 6.5
Random Read/Write Average	5 V: 520 mA 12 V: 590 mA Total Watts: 9.8
Start Up (Max.)	5 V: 960 mA 12 V: 1750 mA
Standby Average	5 V: 230 mA 12 V: 20 mA Total Watts: 1.4
Sleep Average	5 V: 190 mA 12 V: 20 mA Total Watts: 1.2
Environmental
Temperature	Operating: 5C to 55°C Non-operating: -40C to 65°C
Relative Humidity (Non-Condensing)	Operating: 8 to 90% Non-operating: 5 to 95%
Maximum Wet Bulb Temperature (Non-Condensing)	Operating: 29.4°C Non-operating: 35°C
Maximum Temperature Gradient	15°C/hour
Altitude	Operating: -300 to 3 048 m Non-operating: -300 to 12 000 m
Certifications	UL CSA TUV CE