BTW, what's the most powerful CPU you can upgrade to? 21.5" 2428 logic board no.:820-2641-A. Also, can radeon 6750M be replaced with 6770M or even 6950/6970M?
Thank you
一旦他们有信誉积分了, 你就可以看到他们一段时间内累积的信誉积分曲线图。
曲线图预览：
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BTW, what's the most powerful CPU you can upgrade to? 21.5" 2428 logic board no.:820-2641-A. Also, can radeon 6750M be replaced with 6770M or even 6950/6970M?
Thank you