User`s guide

Hardware Specifications 1-15
Copyright © 2009 by LSI Corporation. All rights reserved.
Table 1.1 MegaRAID 6Gb/s SAS RAID Controller Comparisons
Specification
MegaRAID SAS 9260-4i, SAS 9260-8i, SAS 9260DE-
8i, SAS 9280-8e, and SAS 9280DE-8e
RAID levels 0, 1, 5, 6, 00, 10, 50, 60
Devices supported
per port
Up to 15 SAS devices or SATA II devices (such as
drives and expanders)
Number of ports • MegaRAID SAS 9260-4i RAID controller – Four ports
via one internal SFF-8087 Mini SAS 4i connector
• MegaRAID SAS 9260-8i RAID controller – Eight
ports via two internal SFF-8087 Mini SAS 4i
connectors
• MegaRAID SAS 9260DE-8i RAID controller – Eight
ports via two internal SFF-8087 Mini SAS 4i
connectors
• MegaRAID SAS 9280-8e RAID controller – Eight
ports via two external SFF-8088 Mini x4 SAS ports
• MegaRAID SAS 9280DE-8e RAID controller – Eight
ports via two external SFF-8088 Mini x4 SAS ports
Data transfer rate Up to 6Gb/s per PHY
Bus PCI Express 2.0
Cache function Write-back, write-through, adaptive read ahead,
non-read ahead, read ahead, cache I/O, direct I/O
Multiple virtual drives
per controller
Up to 64 (this value is dependent on the firmware)
Online capacity
expansion
Ye s
Dedicated and global
hot spares
Ye s
Hot-swap devices
supported
Ye s
Non-drive devices
supported
Ye s
Mixed capacity drives
supported
Ye s
Number of external
connectors
• MegaRAID SAS 9280-8e RAID controller – Eight
external
• MegaRAID SAS 9280DE-8e RAID controller – Eight
external
Number of internal
connectors
• MegaRAID SAS 9260-4i RAID controller – One
(x4 SAS Port) Mini SAS 4i connector
• MegaRAID SAS 9260-8i RAID controller – Two
(x4 SAS Port) Mini SAS 4i connectors
• MegaRAID SAS 9260DE-8i RAID controller – Two
(x4 SAS Port) Mini SAS 4i connectors