Performance
Formatted Capacity	18.3 GB
Average Sectors per Track	718 (rounded down)
Actuator Type	Rotary Voice Coil
Tracks	49 855
Cylinders	49 855 user
Physical Heads	2
Discs (2.5)	1
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	71 687 372
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
Max 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)	7.2/24.6 idle
Loading Zone (cylinders)	Auto Park
IBM at Drive Type	0 or None
Power Requirements
+12 V Startup	1.03 amps
+12 V Typical	0.26 amps idle
+5 V Startup	0.90 amps
+5 V Typical	0.81 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