HDD Seagate Hawk ST32155W 2.1GB, 5400 rpm, 512KB Buffer Size, Ultra SCSI 68-pin (жесткий диск)

HDDSCS005AAWW - Seagate 2-GB SCSI UW Hard Disk Drive Model ST32155W

Performance

Average seek, read/write	9/10.4 ms
Track-to-track seek	2.1 ms
Maximum seek	<23.9 ms
Rotational speed	5,411 rpm (± .5%)
Data transfer rate	40 MB/s burst 7.1 MB/s avgerage, sustained
Average latency	5.54 ms
Buffer size	256 KB
Multisegmented cache	512 KB
Internal transfer rate	44 to 66 megabits/s
External transfer rate	20 MB/s
Spindle start time	10 s typical
MTBF	800,000 (power on hours)
Nonrecoverable read errors per bits read	1/1014
Auto-park	Yes

Physical

Form factor	3.5-inch, low-profile (1-inch, high-profile)
Unformatted capacity	2.54 GB
Formatted capacity	2,148 GB
Interface	SCSI-3 and SCAM compliant
Cylinders	4,176
Heads	8
Number of disks	4
Servo heads	1
Servo type	Embedded
Recording method	PRML
Number of read/write heads	8
Average track density	4800 tpi
Bytes per sector	512
Recording method	PRML
Head park	Automatic
Environmental – Operating temperature – Non-operating temperature	5° to 55° C –40° to 70° C
Power requirements – +5 V typical current – +12 V typical current	0.65 Amps 0.40 Amps
Dimensions	1 × 4 × 5.74 inches (height × width × depth); 1.5lb (weight) 2.54 × 101.6 × 146.1 × mm; .68 kg