February 2001: HDD IDE (Ultra ATA/100)
|
 |
Quantum Fireball Plus AS |
Quantum lct20 |
Samsung SpinPoint V20400 |
Seagate Barracuda ATA III |
Seagate U5 |
| Size |
10.2/ 20.5/ 30.0/ 40.0/ 60.0 GBytes
|
10.0/ 20.0/ 30.0/ 40.0 GBytes
|
10.2/ 20.4/ 30.6/ 40.8 GBytes
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10.2/ 15.3/ 20/ 30/ 40 GB
|
10/ 15/ 20/ 30/ 40 GBytes
|
| Spindle rotation speed |
7200 RPM
|
sub-7.200 RPM
|
5400 RPM
|
7200 RPM
|
5400 RPM
|
| Buffer size |
2 MBytes
|
128 KBytes
|
512 KBytes
|
2 MBytes
|
1 MBytes
|
| Number of heads |
1/2/3/4/6
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1/2/3/4
|
1/2/3/4
|
1/2/2/3/4
|
1/2/2/3/4
|
| Number of platter |
1/1/2/2/3
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1/1/2/2
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1/1/2/2
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1/1/1/2/2
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1/1/1/2/2
|
| Latency |
4.17
|
?
|
5.56 ms
|
4.16 ms
|
5.6 ms
|
| Average seek time (while reading) |
8.5 ms
|
12.0 ms
|
9.0 ms
|
8.9 ms
|
8.9 ms
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| Average seek time track to track |
0.8 ms
|
2.0 ms
|
0.8 ms
|
?
|
?
|
| Average seek time full track while reading |
17 ms
|
24 ms
|
17 ms
|
?
|
?
|
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