Upgrade for MacBook Pro mid 2009 (2gb RAM)

Saurabh_16

Commendable
Jan 14, 2017
2
0
1,510
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Hey guys,

I need to upgrade my MacBook pro mid 2009 RAM.

Currently I have 2GB 1067 MHz DDR3. Both slots having 1GB each.

My query is, can I upgrade only one slot to 4GB with 4+1=5GB RAM or 4+0=4GB RAM?

Will it work?

Or will I have to go for both slots having same GB RAM?
 

Saurabh_16

Commendable
Jan 14, 2017
2
0
1,510
0
Thanks for the reply.

Also plz tell if a 1333MHz 9-9-9-x RAM will be compatible with MacBook Pro 13'' Mid 2009? Someone said it will but better to confirm here. Does the motherboard support 1333MHz?
 
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