Sun 540-6458 SCSI Hard Drive
Bytes per sector : 512
Read/write heads : 8
Data Disks : 4
Areal density (Gbits/inch2 avg) : 59
Spindle speed (RPM) : 15,000
Internal data transfer rate (Mbytes/sec max) : 147
I/O data transfer rate (Mbytes/sec max) : 320
ATA data-transfer modes supported : PIO modes 0–4
Cache buffer : 8 Mbytes
Height (max) : 25.4 mm
Width (max) : 101.6 mm
Length (max) : 146.00 mm
Recording Code : 32/34 MEEPRML
Head Positioning Method : Rotary VCM
Track-to-track seek time (msec typical) : 0.2/.4
Average seek (msec typical) : 3.3/3.8
Average seek, write (msec typical) : 11
Startup current (typical) 12V (peak) : 2.5 amps
Idle mode (typical) watts : 11.5
MTBF : 1,200,000 hours
Ambient temperature : 5° to 55 °C (op.) –40° to 70°C (nonop.)


