Specifications
Part number 5502511,5502580,5502701,5502979

Performance
Unformatted Capacity 47.5 GB
Formatted Capacity 36.7 GB
Average Sectors per Track 718 (rounded down)
Actuator Type Rotary Voice Coil
Tracks 99,710
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
+12V Startup1.03 amps
+12V Typical0.26 amps idle
+5V Startup0.90 amps
+5V Typical0.81 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