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Charger for T440p quad core upgrade

T430 and later, plus T530 and later series specific matters only
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Charger for T440p quad core upgrade

#1 Post by finn49 » Wed Apr 03, 2019 4:33 pm


I have just purchased a ThinkPad T440p i5-4300M and it is going to be delivered on Monday. I have also ordered an i7-4712MQ to replace the CPU. However, I have heard that it may be necessary to replace the charger if I swap the CPUs because it requires more power? Although they do both have 37W TDP. I asked the seller to send me a picture of the current adapter and they sent me this. I looked up ADLX45NCC3A and 45W chargers come up, which seems quite low. I've heard that the chargers go up to 135W. Is that true? As far as I know the laptop has no discrete GPU.

So, do I need a new charger and if so, which one should I buy?


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Re: Charger for T440p quad core upgrade

#2 Post by RealBlackStuff » Wed Apr 03, 2019 8:46 pm

90W is enough for that.
You could get one with the 'regular' round-barrel plug and get a round-to-square plug adapter like this: https://www.ebay.com/itm/223385374715
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