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| SCSI Protocols Supported |
Ultra3 Ultra2 Wide-Ultra |
Ultra3 Ultra2 Wide-Ultra |
Ultra3 Ultra2 Wide-Ultra |
Ultra3 Ultra2 Wide-Ultra |
Ultra2 |
Ultra3 Ultra2 Wide-Ultra |
Ultra2 Wide-Ultra |
Channels
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4 |
2* |
2 |
1 |
1 |
2 |
1 |
SCSI Ports
(external/internal) |
4/2 |
2/2 or 4/2** |
1/1 |
1/1 |
0/1 |
1/1 |
0/1 |
| RAID Levels Supported |
0,1,0+1,5, ADG |
0,1,0+1,5, ADG1 |
0,1,0+1,5 |
0,1,0+1,5 |
0,1,0+1,5 |
0,1,0+1,5 |
0,1,0+1,5 |
| Recovery ROM |
Yes |
Yes |
Yes |
No |
No |
Yes |
No |
Cache
Read / Write |
128MB |
64MB or 32MB |
32MB2 |
16MB2 |
8MB2 |
16MB2 |
8MB2 |
| Battery Backed Cache |
Yes |
Yes |
No |
No |
No |
No |
No |
| PCI Bus |
64-bit,
66 MHz |
64-bit,
66 MHz |
64-bit,
66 MHz |
64-bit,
66 MHz |
32-bit,
33MHz |
32-bit,
33MHz |
32-bit,
33MHz |
| SCSI Peak Data Transfer Rate |
640 MB/s total, 160MB/s per channel |
640 MB/s total, 160MB/s per channel |
320 MB/s total, 160MB/s per channel |
160 MB/s |
80 MB/s |
320 MB/s total, 160MB/s per channel |
80 MB/s |
Drives Supported
(maximum) |
56*** |
28*** or 56* |
28*** |
14*** |
5 |
21*** |
Dependent on Server |
| Array Configuration Utility |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
Yes |
| Array Diagnostic Utility |
Yes |
Yes |
Yes |
Yes |
No |
Yes |
Yes |
* Upgradeable to 4 channels with the Ultra3
Channel Expansion Module
** Upgradeable to 4 external ports
with the Ultra3 Channel Expansion Module
*** Based on use of Compaq StorageWorks 4200 or 4300 family (14 hard disk
drive enclosure)
1Requires ADG upgrade option and minimum of 64MB of cache
2Read only Cache
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Printable version
