IBM ServeRAID-8 hardware features

The following table lists the hardware features for the IBM ServeRAID-8 controllers:

Feature ServeRAID-8i ServeRAID-8k/8k-l ServeRAID-8s
Battery-backup cache Yes Yes (8k)
No (8k-l)
Yes (optional)
Cache memory 256 MB 256 (8k)
32 (8k-l)
256 MB
Hard disk drives (max.) 64 64 128
Logical drives (max.) 24 24 24
Microprocessor Intel IOP321, 600 Mhz n/a Intel IOP333, 500 Mhz
Channels/Ports 0 0 2 (second internal port not used)
Transfer speed (max.) n/a n/a 3.0 G/s
Supported RAID levels 0, 1, 1E, 5, 5EE, 6, 10, 50, 60 0, 1, 1E, 5, 6, 10 (8k)
0, 1, 10 (8k-l)
0, 1, 1E, 5, 5EE, 6, 10, 50, 60
System memory bus PCIx, 64 bit at 66 to 133 Mhz DDR2, 64 bit at 533 Mhz PCIe x8, at 2.5 GB/s at 533 Mhz


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