Memory specifications and population
Item Description
Supported memory types
• Unbuffered ECC DDR3 1066 / 1333 MHz
Population Acer’s validated memory populations are listed below.
NOTE: Support for 8 GB UDIMMs may vary by regional availability.
Memory configuration guide
DIMM # DIMM 1B DIMM 1A DIMM 2B DIMM2A
1 X
2 X X
4 X X X X
Memory Identification
Generally, there are some memory information printed on the label of DIMM, but different vendor may have
different format. For example:
4GB 2Rx4 PC3-10600R xx xx xxx
1. Density
1GB, 2GB, 4GB, 8GB
2. Rank
1R = Single Rank
2R = Dual Rank
4R = Quad Rank
Note: if any quad rank DIMM is used, maximum only 2 DIMM per channel can be supported
3. Bit Organization
This platform supports x8
Note: It’s not recommend to mix DIMM with different bit organization in one system
4. Speed
PC3 – 8500 => DDR3- 1066
PC3 – 10600 => DDR3- 1333
PC3 – 12800 => DDR3- 1600
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