Question Which RAM should i buy?

[Stormmstrada]

Need help with RAM upgrade.

I have an old pc which uses G41CEL2 esonic motherboard. It has one slot of ddr3 and one of ddr2. I already have 2gb ddr3 installed and I wanted to upgrade it. So can I use 2gb ddr2 stick or do I have to buy 4gb ddr3?


Mainboard model:https://m.made-in-china.com/product...bo-Model-G41cel2-4xsata-LGA775-702790215.html

 

[andyanderson]

Support Dual channel DDR3 1333/1066 SDRAM (4GB Max)
Support Dual channel DDR2 800/667SDRAM (4GB Max)
DDR3 DIMMs (240 pin/ 1.5V) / DDR2 DIMMs (240 pin/ 1.8V)

 

[Stormmstrada]

Support Dual channel DDR3 1333/1066 SDRAM (4GB Max)
Support Dual channel DDR2 800/667SDRAM (4GB Max)
DDR3 DIMMs (240 pin/ 1.5V) / DDR2 DIMMs (240 pin/ 1.8V)

So i cannot use both slots at the same time?