Gateway 146GB 10K RPM SCSI SCA Model ST3146707LC Hard Drive - 5502703

Feature	Description
Performance
Unformatted Capacity	189.6 GB
Formatted Capacity	146.8 GB
Average Sectors per Track	718 (rounded down)
Actuator Type	Rotary Voice Coil
Tracks	398 840
Cylinders	49 855 user
Physical Heads	8
Discs (2.5)	4
Media Type	Thin Film/GMR
Recording Method	PRML
Internal Transfer Rate (Mbps)	475 to 841
Internal Formatted Transfer Rate (MBps)	59 to 105
External Transfer Rate (MBps) Low Voltage Differential (LVD)	80/320 sync
Spindle Speed (RPM)	10 008
Average Latency (ms)	2.99
Buffer Read Look-Ahead Adaptive Multi-Segmented Cache	8 MB
Interface	Ultra-3 SCSI Wide
Bytes per Track	368k average
Sectors per Drive	286 749 488
Tracks per Inch (TPI)	64 000
Peak (Kbpi)	570
Average Access (ms Read/Write) Drive Level Without Controller Overhead	4.7/5.3
Single Track Seek (ms Read/Write)	8.35/0.55
Maximum Full Seek (ms Read/Write)	9.0/9.5
MTFB (Power-On Hours)	1 200 000
Interface	Ultra-3 SCSI Wide
Shock (G’s 11/2/.5 ms)	Operating (read/write):15 Abnormal:40 Non-operating:75/225/120
Acoustics (Bels typical Sound Power)	3.6
Power Dissipation (watts/BTUs)	10.6/36.2 idle
Loading Zone (Cylinders)	Auto Park
IBM at Drive Type	0 or None
Power Requirements
+12V Startup	1.70 amps
+12V Typical	0.51 amps idle
+5V Startup	1.10 amps
+5V Typical	0.89 amps idle
Physical
Height (inches/mm)	1.0/2.54
Width (inches/mm)	4.00/101.6
Depth (inches/mm)	5.75/146
Weight (lbs/kg)	1.61/0.731