Chapter 2: Hardware Information
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2.3 System memory
2.3.1 Overview
The motherboard comes with four Double Data Rate 4 (DDR4) Dual Inline Memory Modules
(DIMM) sockets.
A DDR4 module is notched differently from a DDR, DDR2, or DDR3 module. DO NOT
install a DDR, DDR2, or DDR3 memory module to the DDR4 slot.
The gure illustrates the location of the DDR4 DIMM sockets:
2.3.2 Memory configurations
You may install Unbuffered DDR4 DIMMs into the DIMM sockets using the memory
congurations in this section.
UDIMM
DIMM Slot Per
Channel
DIMM Populated
per Channel
DIMM Type Speed Rank per DIMM
2 1 ECC / non-ECC 2666/2400 Single Rank, Dual Rank
2 2 ECC / non-ECC 2666/2400 Single Rank, Dual Rank
• Always install DIMMs with the same CAS latency. For optimum compatibility, it is
recommended that you obtain memory modules from the same vendor.
• Start installing the DIMMs in slots A2 and B2 (Blue).
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