Avago Technologies MegaRAID SAS 8204ELP - Manual (Page 23)

Summary of SAS RAID Controller Characteristics 1-9
Copyright © 2007 by LSI Corporation. All rights reserved.
1.6 Summary of SAS RAID Controller Characteristics
This section provides a summary of the features and benefits of the
SAS RAID controller. It contains information on SAS features, SATA II
features, PCI performance, integration, usability, and flexibility.
The MegaRAID 1078-based SAS RAID controllers include the following
features:
•
PCI Express x4 lane width for the SAS 8704ELP RAID controller and
the SAS 8708ELP RAID controller (with support for x8 and x16
connections)
•
PCI Express x8 lane width for the SAS 8708EM2 RAID controller, the
SAS 8880EM2 RAID controller, and the SAS 8888ELP RAID
controller (with support for x16 connections)
•
PCI Express performance up to 2.5 Gbits/s per lane
•
Support for 128-, 256-, or 512-Mbyte DDR2 667 MHz on-board
SDRAM intelligent battery-backed module (SAS 8704ELP, SAS
8708ELP, and SAS 8880EM2 RAID controllers)
•
Support for 128- or 256-Mbyte DDR2 667 MHz on-board SDRAM
intelligent battery-backed module (SAS 8708EM2 RAID controller)
•
Support for 256- and 512-Mbyte DDR2 667 MHz on-board SDRAM
intelligent transportable battery-backed MiniDIMM module (SAS
8888ELP RAID controller)
•
One internal connector for the SAS 8704ELP RAID controller
•
Two internal connectors for the SAS 8708ELP RAID controller and
the SAS 8708EM2 RAID controller
•
Two external connectors for the SAS 8880ELP RAID controller
•
Two external connectors and two internal connectors for the SAS
8888ELP RAID controller
•
Support for RAID levels 0, 1, 5, 6, 10, 50, and 60
•
Advanced array configuration and management utilities
•
Online RAID level migration
•
Drive migration
•
Drive roaming