Amd Cpu + Motherboard + Ram compatibility

[Hejea]

Hi,

i have this PC now:
mb: ga-m720-us3
cpu: amd athlon 64 x2 6000+ 3.0ghz
ram: 2 gb (1+1) 667 mhz

I want to replace the cpu. I saw the list of compatible cpu, and question is "will these cpu work with my ram". coz in specs of cpu is told "support memory: ddr2-1066, ddr3-1333". Mine is ddr2-666mhz.

I found these :
AMD Phenom II X4 960T 3 GHz - 55e - 61$
AMD Phenom II X4 955 3.2GHz - 48e - 54$
AMD Phenom II X4 965 3.4GHz - 61e - 68$

which of them I should to buy?

if you have another recommendation, write about.

thx for help.

 

[Calvin7]

Phenom II X4 965 AM3 3.4Ghz 125W supported (since BIOS F5)
Phenom II X4 965 AM3 3.4Ghz 140W not supported
Phenom II X4 955 AM3 3.2GHz 125W (Since BIOS F5)
Phenom II X4 955 AM3 3.2GHz 95W (Since BIOS F7N)
Phenom II X4 960T AM3 3.0GHz (Since BIOS F7N)

G.SKILL 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Dual Channel Kit Desktop Memory Model F2-8500CL5D-4GBPK
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231166&Tpk=N82E16820231166

Your memory is for low end AM2 CPUs such as AMD Sempron LE-1100. It is not suitable for the Phenom II CPU.
http://www.newegg.com/Product/Product.aspx?Item=N82E16819103197

Memory for your current CPU is DDR2-800.

 

[Hejea]

Your memory is for low end AM2 CPUs such as AMD Sempron LE-1100. It is not suitable for the Phenom II CPU.
http://www.newegg.com/Product/Product.aspx?Item=N82E16819103197

Memory for your current CPU is DDR2-800.[/quotemsg]
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In that case I should buy a new PC. and thx for answer.