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Supermicro C7Z270-CG-L Motherboard User’s Manual
The C7Z270-CG-L suppor ts up to 64GB of Unbuf fered (UDIMM) non-ECC
DDR4 memory, up to 2133MHz-2800+MHz in four 288-pin memory slots.
Populating these DIMM modules with a pair of memory modules of the
same type and same size will result in interleaved memory, which will
improve memory performance.
Notes
Be sure to use memory modules of the same type, same speed,
same frequency on the same motherboard. Mixing of memory
modules of different types and speeds is not allowed.
Due to memory allocation to system devices, the amount of
memory that remains available for operational use will be re-
duced when 4 GB of RAM is used. The reduction in memory
availability is disproportional. See the following table for details.
Memory Support
DIMMB2 (Red Slot)
DIMMA2 (Red Slot)
Towards the edge of the motherboard
Towards the CPU
DIMMA1 (Black Slot)
DIMMB1 (Black Slot)
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