Cisco UCS C220 M3 Spec Sheet page 30

CONFIGURING the SERVER
Approved Configurations
(1) Onboard RAID, mezzanine cards, and internal drive PCIe RAID controllers
If you have not selected an onboard RAID upgrade option (LSI ROM1 or LSI ROM15), a
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mezzanine card, or a PCIe RAID controller for internal drives (LSI MegaRAID SAS 9271-8i or
9271CV-8i), you may select up to 4 SATA-only drives, which will be controlled with the
embedded SATA-only RAID controller.
Otherwise, select up to four SAS+SATA drives listed in
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drives.
Caveats
You can mix SATA and SAS drives.
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30 Cisco UCS Cisco UCS C220 M3 High-Density Rack Server (Large Form Factor Hard Disk Drive Model)
Table 10. You can mix SAS and SATA