Acer 4000 ST9100823A ST9100824A ST9120821A Capacity and Interface, Configuration/Organization

Item		Seagate
Models	ST9100823A	ST9100824A	ST9120821A
Capacity and Interface
Formatted Gbytes (512 bytes/sector)	60	100	120
Interface	Ultra ATA/100	SATA 1.5Gb/s	SATA 1.5Gb/s
		Ultra ATA/100	Ultra ATA/100
Performance
Internal Transfer Rate (Mbits/sec)	386	461	461
Max. External Transfer Rate (Mbytes/sec)	100	150 100	150 100
Avg. Sustained Transfer Rate (Mbytes/sec)	>	>	>
Average Seek (msec)	12.5	12.5	12.5
Average Latency (msec)	5.56	5.56	5.56
Multisegmented Cache	8192	8192	8192
Spindle Speed (RPM)	5400	5400	5400
Configuration/Organization
Discs/Heads	2/4	2/4	2/4
Bytes per Sector	512	512	512
Logical CHS	16383/16/63	16383/16/63	16383/16/63
Recording Method	RLL 0,11	RLL 0,11	RLL 0,11
Reliability/Data Integrity
S.M.A.R.T. capable	Yes	Yes	Yes
Nonrecoverable Read Errors per Bits Read	1 per 1014	1 per 1014	1 per 1014
Service Life/Limited Warranty (years)	5/5	5/5	5/5
Power Requirements
+5 VDC +/-5% (amps typ operating)	1	1	1
Power Management (watts)
-Seek	-2.3	-2.2	-2.2
-Read/Write	-2	-1.9	-1.9
-Idle	-0.92	-0.8	-0.8
-Standby	-0.18	-0.28	-0.28
Environmental
Operating Temperature (oC)	5 to 55	5 to 55	5 to 55
Nonoperating Temperature (oC)	70 to -40	70 to -40	70 to -40
Operating Shock (Gs) @ 2 msec	250	250	250
Non Operating Shock (Gs) @ 1 msec	900	900	900
Acoustics,Idle (Bels-typ sound power)	2.4	2.4	2.4

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