Acer AR360 F2 Specifications page 11

Acer AR360 F2 specifications
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 x4 and x8
 Note: It's not recommend to mix DIMM with different bit organization in one system
4. Speed
 PC3 – 6400 => DDR3- 800
 PC3 – 8500 => DDR3- 1066
 PC3 – 10600 => DDR3- 1333
 PC3 – 12800 => DDR3-1600
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