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Cisco UCS Cisco UCS C220 M3 High-Density Rack Server (Small Form Factor Disk Drive Model)
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SUPPLEMENTAL MATERIAL
RAID Summary
The C220 M3 SFF server has an 8-drive backplane.
ROM5 and ROM55 embedded RAID upgrade options support up to 8 drives.
Mezzanine card (UCSC-RAID-11-C220) supports up to 8 drives.
Mezzanine card (UCSC-RAID-MZ-220) supports up to 8 drives.
SAS 9266-8i and SAS 9266CV-8i PCIe cards support up to 8 drives.
LSI MegaRAID SAS 9285CV-8e supports up to 8 external SAS ports (240 external drives)
See 
 for a summary of the supported RAID configuration options.
NOTE:  If you do not select a mezzanine card, a plug-in PCIe RAID card, or one of the 
embedded RAID upgrade options, you will have an embedded SATA-only RAID 
controller that supports up to four SATA-only drives (RAID 0, 1, 10)
Table 33  Supported RAID Configurations
1
 
Server
CPUs
Embedded 
RAID
Mezz
RAID
2
Internal 
PCIe RAID 
#1
3
Internal 
PCIe 
RAID #2
4
External 
PCIe 
RAID
5
# Drives 
Supported PCIe Slots
6
1
2
C220 M3 SFF
1
Enabled
Not 
allowed
7
Not 
allowed
Not 
allowed
Not 
allowed
8 internal
A
U
C220 M3 SFF
1
Not 
allowed
Not 
allowed
Installed
slot 1 
(default)
Not 
allowed
Card 
absent
8 internal
O
U
C220 M3 SFF
1
Not 
allowed
Not 
allowed
Card 
absent
Not 
allowed
Installed
in slot 1
0 internal
240 
external
O
U
C220 M3 SFF
1
Not 
allowed
Not 
allowed
Installed
slot 1 
(default)
Not 
allowed
Installed 
in slot 2
8 internal
240 
external
O
O
C220 M3 SFF
2
Enabled
Not 
allowed
Not 
allowed
Not 
allowed
Not 
allowed
8 internal
A
A
C220 M3 SFF
2
Not 
allowed
Installed
Not 
allowed
Not 
allowed
Card 
absent
8 internal
A
A
C220 M3 SFF
2
Not 
allowed
Not 
allowed
Installed
slot 2 
(default)
Not 
allowed
Card 
absent
8 internal
A
O
C220 M3 SFF
2
Not 
allowed
Card 
absent
Card 
absent
Not 
allowed
Installed
slot 1 or 
slot 2
0 internal
240 
external
A
A
C220 M3 SFF
2
Not 
allowed
Installed
Not 
allowed
Not 
allowed
Installed 
slot 1 or 
slot 2
8 internal
240 
external
A
A