Avago Technologies MegaRAID SAS 8204ELP - Manual (Page 25)

Summary of SAS RAID Controller Characteristics 1-9
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Cache Configurations –
•
Support for 128- and 256-Mbyte DDR1 333 MHz on-board SDRAM
with remote LSIiBBU01 intelligent battery backup (SAS 8304ELP,
SAS 8308ELP, and SAS 8344ELP RAID controllers)
•
Support for a 256 Mbyte DDR2 400 MHz on-board SDRAM with
LSIiTBBU02 intelligible transportable battery backup (SAS 8408E
and SAS 8480E RAID controllers)
•
Support for 256 Mbyte on-board SDRAM with remote LSIiBBU01
intelligent battery backup (SAS 84016E RAID controller)
Connectors –
•
One internal connector for the SAS 8204ELP and SAS 8204XLP
RAID controllers
•
Two internal connectors for the SAS 8208ELP, SAS 8208XLP, SAS
8304ELP, SAS 8308ELP, and SAS 8408E RAID controllers
•
Four internal connectors for the SAS 84016E RAID controller
•
One external connector and one internal connector for the SAS
8344ELP RAID controller
•
Two external connectors for the SAS 8480E RAID controller
Software and Hardware Features –
•
Support for RAID levels 0, 1, 5, 10, and 50
•
Advanced array configuration and management utilities
•
Online RAID level migration
•
Drive migration
•
Drive roaming
•
Patrol read
•
No reboot necessary after expansion
•
More than 200 Qtags per array
•
Hardware clustering support on the board
•
User-specified rebuild rate