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ASUS P9D-I
2-13
2.4 System memory
2.4.1 Overview
The motherboard comes with two Double Data Rate 3 (DDR3) Dual Inline Memory Modules
(DIMM) sockets.
A DDR3 module has the same physical dimensions as a DDR2 DIMM but is notched
differently to prevent installation on a DDR2 DIMM socket. DDR3 modules are developed for
better performance with less power consumption.
The figure illustrates the location of the DDR3 DIMM sockets:
2.4.2 Memory Congurations
You may install 2 GB, 4 GB, and 8 GB Unbuffered with ECC DDR3 DIMMs into the DIMM
sockets using the memory configurations in this section.
UDIMM
DIMM Slot Per
Channel
DIMM Populated
per Channel
DIMM Type
Speed Rank per DIMM
1 1 Unbuffered DDR3 1333/1600 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.