Gateway 120GB 7200 RPM SATAII Hard Drive with 8MB Cache - WD1200JS-22MHB0

Feature	Specification
Performance
Rotational Speed	7 200 RPM (nominal)
Buffer Size	8 MB
Average Latency	4.20 ms (nominal)
Contact Start/Stop Cycles	50 000 minimum
Read Seek Time (Average)	8.9 ms
Write Seek Time (Average)	8.9 ms (average)
Track-To-Track Seek Time	2.0 ms (average)
Full Stroke Seek	21.0 ms (average)
Buffer To Host Transfer Rate (Serial ATA)	300 MB/s (Max)
Buffer To Disk Transfer Rate	748 Mbits/s (Max)
Configuration
Number of Heads (Physical)	3
Formatted Capacity	120 034 MB
Capacity	120 GB
Interface	SATAII 300MB/s
Actuator Type	Rotary Voice Coil
Number of Platters	2
Bytes Per Sector	512
User Sectors Per Drive	234 441 648
Servo Type	Embedded
Physical
Dimensions (H × L × W)	1.028 × 5.787 × 4.00 inches (26.1 × 147 × 101.6 mm)
Weight	1.60 lbs (0.73 kg)
Environmental
Shock	Operating (read): 65 G 2 ms Non-operating: 300 G 2 ms
Acoustics	Idle Mode: 26 dBA (average) Seek Mode 0: 31 dBA (average) Seek Mode 3: 27 dBA (average)
Temperature	Operating: 41° F to 131° F (5° C to 55° C)
Relative Humidity (Non-Condensing)	Operating: 5 to 95% Non-operating: 5 to 95% RH
Vibration	Operating: Linear: 20-300 Hz 3.0G (0 to peak) Random: 10-300 Hz 0.004 g? / Hz Non-operating: Low Frequency: 5-20 Hz 0.195 inches (double amplitude) High Frequency: 20-300 Hz 4.0G (0 to peak)