Dell PowerEdge M620 Owner's Manual page 176

Total Number of
Physical Processors
Memory
512 GB Four
a
1 TB Four
a
indicates DIMM configurations that operate at 1066 MHz while the rest
of the configurations operate at 1333 MHz.
b
when available
Non-Optimal Memory Configurations
System performance can be affected if your memory configuration does not
conform to the preceding installation guidelines. Your system may issue an
error message during start-up stating that your memory configuration is non-
optimal.
Memory Sparing Support – PowerEdge M915
The memory sparing feature must also be enabled in the Memory
Information screen of the System Setup program. See "Memory Settings
Screen" on page 140. To use memory sparing, you must disable node
interleaving.
176
Installing Blade Components
Memory Modules –
Number and Type
a
Thirty two 16 GB
b
Thirty two 32 GB
Memory Memory Module Locations
Sparing
Support
Y A1, A2, A3, A4, A5, A6, A7,
A8, B1, B2, B3, B4, B5, B6,
B7, B8, C1, C2, C3, C4, C5,
C6, C7, C8, D1, D2, D3, D4,
D5, D6, D7, D8
Y A1, A2, A3, A4, A5, A6, A7,
A8, B1, B2, B3, B4, B5, B6,
B7, B8, C1, C2, C3, C4, C5,
C6, C7, C8, D1, D2, D3, D4,
D5, D6, D7, D8