Asus RS300-E6/PS4 - Manual (Page 15)

ASUS RS300-E6 Series 2-3
2.2 Upgrading system memory
The motherboard comes with six (6) Double Data Rate 3 (DDR3) Dual Inline
Memory Modules (DIMM) sockets.
1
2
3
1
2
3
1
2
3
4
5
6
1
2
3
4
5
6
DIMM_A3
DIMM_A2
DIMM_A1
DIMM_B3
DIMM_B2
DIMM_B1
You may install 1 GB, 2 GB, 4 GB, 8 GB Registerd, or 1 GB, 2 GB, 4 GB
Unbuffered with ECC/Non-ECC DDR3 DIMMs into the DIMM sockets using the
memory configurations in this section.
• Always install DIMMs with the same CAS latency. For optimum
compatibility, it is recommended that you obtain memory modules from the
same vendor. DO NOT combine RDIMM and UDIMM.
• The motherboard supports x8 DRAM Only and x4 & x16 DRAM are not
supported
RDIMM*
DIMM Slot
Per Channel
DIMM Populated
per Channel
DIMM Type Speed Rank per DIMM
3 1 Registered DDR3 ECC 1333 Single Rank, Dual Rank
3 1 Registered DDR3 ECC 1066 Quad Rank
3 2 Registered DDR3 ECC 1333 Single Rank, Dual Rank
3 2 Registered DDR3 ECC 800** Quad Rank
3 3 Registered DDR3 ECC 800** Single Rank, Dual Rank
UDIMM
DIMM Slot
Per Channel
DIMM Populated
per Channel
DIMM Type Speed Rank per DIMM
2 1 Unbuffered DDR3 1333 Single Rank, Dual Rank
2 2 Unbuffered DDR3 1333 Single Rank, Dual Rank
*Support Low Voltage DIMMs; **Down from 1066 or 1333 MHz DIMM