Fujitsu PRIMERGY TX2550 M4 Operating Manual page 16

Functional overview
Onboard SATA controller
One SATA controller is integrated on the system board; up to four SATA HDDs
can be connected to the controller. The LSI Embedded MegaRAID software
(Software RAID) supports RAID levels 0, 1 and 10.
For more information on configuring the controller, see section
onboard SATA controller" on page
SAS/SATA RAID controller
The server is available with the following SAS/SATA RAID controllers for
operating the internal SAS/SATA HDDs:
– Modular RAID 0/1 controller with "MegaRAID functionality"
(SAS MegaRAID) for SAS1.0 and SAS2.0
RAID levels 0, 1 and 10 are supported for internal HDD configurations.
– Modular RAID 5/6 controller with "MegaRAID functionality"
(SAS MegaRAID) for SAS1.0 and SAS2.0
RAID levels 0, 1, 10, 5, 50, 6 and 60 are supported for internal HDD
configurations. As an option, a flash backup unit (FBU) can save the
memory content even if the power fails. Cache memory size of 1 Gbyte or
2 Gbyte is available.
I
For more information on configuring the controller, see section
"Configuring the SAS/SATA RAID controller" on page
For more information on SAS/SATA RAID controllers, see the "Modular
RAID Controller Installation Guide" (on the Fujitsu manuals server under
x86 Servers - Expansion Cards - Storage Adapters - LSI SAS / SCSI RAID
Controllers).
For more information on other SAS/SATA RAID controllers (e.g. for
operating external SAS/SATA HDDs or tape drives), see the Fujitsu
manuals server under x86 Servers - Expansion Cards - Storage Adapters -
LSI SAS / SCSI RAID Controllers.
Accessible drives / components
With most configurations the TX2550 M4 offers 3 x 1.6-inch bay in the
accessible drives area located at the top of the floorstand model (or at the right
side of the rack) for various ODD and or backup drives.
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Operating Manual
"Configuring the
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TX2550 M4