Which memory for mid 2010 MBP 15" i7?

[Jenko]

Ok so I have checked and this is the current memory set up in my MBP:
4 GB of 1066 MHz DDR3 SDRAM (PC3-8500) installed in pairs (two 2 GB modules)
When looking to purchase 8gb memory does it need to be 1066MHz and PC3-8500 DDR3 or can it be a higher than 1066MHz.
Could someone give me a good selection to choose from as I am not to sure what to buy. I will be purchasing from the following website as I live in Ireland:
www.dabs.ie
I know it's a big ask but I would be really greatful if someone could recommend the best choice for my mid 2010 MBP 15" i7 duo laptop.
One question will the increase of memory speed up my laptop of so what else will it add to my MBP.
Many Thanks again.

 

[GoCubsGo]

Check our crucial.com and it guides you right to the memory you need by asking you the computer model and all that jazz.

 

[simsaladimbamba]

You can also use higher clocked 204-pin DDR3 SO-DIMM RAM RAM, my 2009 MBP came with 1066 MHz RAM and now uses 1333 MHz RAM and even recognises it as such.

Upgrading RAM in MacBooks and MacBook Pros​

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One question will the increase of memory speed up my laptop of so what else will it add to my MBP.

It will make your Mac more responsive (thus seemingly faster) during RAM hungry tasks.
If you do such things, you will see an improvement. If you don't, you will probably see only a negligible improvement.

 

[Jenko]

Thanks for the help I am heading in to PC World in Ireland to look at what memory is available for the MBP.