System x ServeRAID M5025 SAS, SATA Controller

Specifications
Eight external 6 Gbps SAS 2.0 ports implemented via two four-lane (x4) connectors
Two mini-SAS external connectors (SFF-8088)
6 Gbps throughput per SAS port
800 MHz PowerPC processor with LSI SAS2108 6 Gbps RAID on Chip (ROC) controller
PCI Express 2.0 x8 host interface
512 MB onboard data cache (DDR2 running at 800 MHz)
Intelligent lithium polymer battery backup unit standard with up to 48 hours of data retention
Supports RAID levels 0, 1, 5, 10, and 50 (RAID 6 and 60 support with the optional M5000 Advanced Feature Key)
Connects to:
- up to 240 SAS or SATA drives
- up to 9 daisy-chained enclosures per port
SAS and SATA drives are supported, but the mixing of SAS and SATA in the same RAID array is not supported
Supports up to 64 logical volumes
Supports LUN sizes up to 64 TB
Configurable stripe size up to 1 MB
Compliant with Disk Data Format (DDF) configuration on disk (COD)
S.M.A.R.T. support
The key difference between the ServeRAID M5025 and M5015 RAID controllers is that the M5025 has two external SAS 2.0 x4 connectors and the M5015 has two internal SAS 2.0 x4 connectors.
The ServeRAID M5025 includes the following items:
One ServeRAID M5025 adapter card with full-height (3U) bracket
Low-profile (2U) bracket
ServeRAID M5000 battery (attached)
Battery Remote Mount Cable
Documentation CD
The IBM Important Notices Document
The controller must be installed in a selected System x server:
x3200 M3 / 7327, 7328 / All
x3250 M3 / 4251, 4252 / All
x3400 M2 / 7836, 7837 / All
x3400 M3 / 7378, 7379 / All
x3500 M2 / 7839 / All
x3500 M3 / 7380 / All
x3550 M2 / 7946 / All
x3550 M3 / 7944 / All
x3650 M2 / 7947 / All
x3650 M3 / 7945 / All
x3850 X5 / x3950 X5 / 7145 / 7146
x3690 7148
The ServeRAID M5025 supports the following major operating systems:
Microsoft® Windows® Server 2003
Microsoft Windows Server 2008
Red Hat Enterprise Linux® 4
Red Hat Enterprise Linux 5
SUSE Linux Enterprise Server 10
SUSE Linux Enterprise Server 11
VMware 4.0
více na: http://www.redbooks.ibm.com/technotes/tips0739.pdf