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Quantum 'Atlas II, XP' HN4550W 4.5GB

Specification

Performance

Environment



Specification

Vendor Quantum
Range Atlas II, XP
Apricot Part Number PT15756531
Form Factor 3.5" 1" High
Weight 0.63Kg
Formatted Capacity (x106 bytes) 4552MB
Formatted Capacity (x220 bytes) 4341.13
Number of Platters 5
Number of Heads 10



Performance

Actuator Voice Coil
Positioning System Embedded
Average Access Time Read 8.0ms
Write 9.0ms
Single Track Seek Time Read 0.9ms
Write 0.9ms
Nominal Rotational Speed 7200RPM
Average Rotational Latency 4.17ms
Spin-up-Time (To Drive Ready) <30 secs
Maximum Sector Transfer Rate 15.63MB/s
Typical Data Sector Transfer Rate Maximum 11.67MB/s
Minimum 6.64MB/s
Numbers of Sectors / Track Maximum 190
Minimum 108
Type of Head Utilised MR
Read Channel Implementation Peak Detect
Encoding Method RLL (1,7)
Standard 68 Pin 'P' Connector Yes
Wide '16-bit' SCSI Support Yes
UltraSCSI (Double SCSI) Support Yes
Maximum SCSI Burst Transfer Rate 40MB/s Sync.
Cache Size Total 512KB
Read Data 512KB
Segmentation Type Adaptive
Continous Read Prefetch Yes
Write Cache Yes



Environment

Ambient operating Temperature Minimum 5C
Maximum 55C
Maximum Thermal Gradient 20C/hr
Operating Shock, 0 Err's (G, 11ms) 15G, Sine
Operating Vibration (G, 5-300Hz) 0.5G
Maximum Audible Noise (dbA @ 1m) 41 dbA
Average Power Consumption Nominal Read / Write 10.5W
Nominal Idle 8.0W
DC Power Requirements +12V Startup Maximum 1.85Amps
+12V Nominal Read / Write 0.68Amps
+5V Seek Peek 0.69Amps
+5V Nominal Read / Write 0.45Amps
MTBF 1,000,000 poh
Maximum Power On/Off Cycles >10,000


 

Computing for a Connected World