LSI Corporation
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6Gb/s MegaRAID SAS RAID Controllers User Guide
August 2012
Chapter 1: Overview
Configuration Scenarios
1.3.8 MegaRAID SAS 9280 RAID Controllers
The 6Gb/s MegaRAID SAS 9280-4i4e PCI Express 2.0 Low-Profile Serial-Attached SCSI/SATA Disk Array Controller
controls four internal SAS/SATA ports through one SFF-8087 x4 internal mini SAS connector and four external
SAS/SATA ports through one SFF-8088 x4 external mini SAS connector.
The 6Gb/s MegaRAID SAS 9280-8e PCI Express 2.0 Low-Profile Serial-Attached SCSI/SATA Disk Array Controller
controls eight external SAS/SATA ports through two SFF-8088 x4 external mini SAS connectors.
The 6Gb/s MegaRAID SAS 9280DE-8e PCI Express 2.0 Low-Profile Serial-Attached SCSI/SATA Disk Array Controller
controls eight external SAS/SATA ports through two SFF-8088 x4 external mini SAS connectors and offers data
security using disk encryption.
The 6Gb/s MegaRAID SAS 9280-16i4e PCI Express 2.0 Standard-Height Serial-Attached SCSI/SATA Disk Array
Controller controls 16 internal SAS/SATA ports through four SFF-8087 x4 internal mini SAS connectors and four
external SAS/SATA ports through one SFF-8088 x4 external mini SAS connector.
The 6Gb/s MegaRAID SAS 9280-24i4e PCI Express 2.0 Standard-Height Serial-Attached SCSI/SATA Disk Array
Controller controls 24 internal SAS/SATA ports through six SFF-8087 x4 internal mini SAS connectors and four
external SAS/SATA ports through one SFF-8088 x4 external mini SAS connector.
1.3.9 MegaRAID SAS 9285 RAID Controllers
The 6Gb/s MegaRAID SAS 9285-8e PCI Express 2.0 Low-Profile Serial-Attached SCSI/SATA Disk Array Controller
controls eight external SAS/SATA ports through two SFF-8088 x4 external mini SAS connectors.
The 6Gb/s MegaRAID SAS 9285CV-8e PCI Express 2.0 Low-Profile Serial-Attached SCSI/SATA Disk Array Controller
controls eight external SAS/SATA ports through two SFF-8088 x4 external mini SAS connectors, and it has
an onboard CacheVault Flash Module 03 (CVFM03) that connects to a remote CacheVault Power
Module 02 (CVPM02).
1.3.10 MegaRAID SAS 9286 RAID Controllers
The 6Gb/s MegaRAID SAS 9286-8e PCI Express 3.0 Low-Profile Serial-Attached SCSI/SATA Disk Array Controller
controls eight external SAS/SATA ports through two SFF-8088 x4 external mini SAS connectors.
The 6Gb/s MegaRAID SAS 9286CV-8e PCI Express 3.0 Low-Profile Serial-Attached SCSI/SATA Disk Array Controller
controls eight internal SAS/SATA ports through two SFF-8088 x4 mini external SAS connectors. This RAID
controller supports the CVFM03 module, which connects to a remote CacheVault Power Module 02.
The 6Gb/s MegaRAID SAS 9286CV-8e PCI Express 3.0 Low-Profile Serial-Attached SCSI/SATA Disk Array Controller
controls eight internal SAS/SATA ports through two SFF-8088 x4 mini external SAS connectors. This RAID
controller supports the CVFM03 module, which connects to a remote CacheVault Power Module 02. In addition,
this controller supports CacheCade Pro 2.0 and Fast Path software enabled out of the box, which optimize
application performance in direct-attached storage environments configured with solid-state drives (SSDs).
1.4 Configuration Scenarios
You can use the MegaRAID SAS RAID controllers in three main scenarios:
Low-end, internal SATA configuration: In this configuration, use the RAID controller as a high-end SATA, SATA II,
or SATA III compatible controller that connects up to eight drives either directly or through a port expander. This
configuration is mostly for low-end or entry servers. An out-of-band I
2
C bus provides enclosure management.
Side bands of both types of internal SAS connectors support the SFF-8485 (SGPIO) interface.
Midrange internal SAS configuration: This configuration is like an internal SATA configuration, but with
high-end SAS drives. This configuration is more suitable for low-range to midrange servers.
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