Release Notes

The following tables list the 12th generation of PowerEdge systems with the backplane configurations
that do not support SATA drives at 6 Gbps speed.
Table 3. Systems—Backplane without expander chip
Systems Backplane configuration Storage controller
R620 4x 2.5 inch H310, H710, H710P
8x 2.5 inch
R720 8x 2.5 inch H310, H710, H710P
8x 3.5 inch
R820 8x 2.5 inch H310
R320 8x 2.5 inch H310, H710, H710P
4x 3.5 inch
R420 8x 2.5 inch H310, H710, H710P
4x 3.5 inch
R520 8x 3.5 inch H310, H710, H710P
Table 4. Systems—Backplane with expander chip
System Backplane configuration
R720xd 24x 2.5 inch
24x 2.5 inch with 2x 2.5 inch rear drive
12x 3.5 inch with 2x 2.5 inch rear drive
To use SATA drives at 6 Gbps speed, change the limit of negotiated speed to 6 Gbps using PowerEdge
RAID Controller 8 (PERC8). For more information about the settings, see the Dell PowerEdge RAID
Controller (PERC) 8 User's Guide at Dell.com/storagecontrollermanuals.
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