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Stock 4GB RAM type on T440p ?

T430 and later, plus T530 and later series specific matters only
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123434
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Stock 4GB RAM type on T440p ?

#1 Post by 123434 » Thu Aug 29, 2019 2:14 am

Hello
Can someone take a peek with CPU-Z(software) and look if the T440p stock 4GB RAM is 1Rx8 or 2Rx8 ? ( One or Two rank. )
Planning to use dual channel 2x4GB=8GB and using a another 4GB comb.
Also is it: Samsung, Hynix, Elpida, Micron and what CL and such values ?
Like DDR3L= "4GB 2Rx8 PC3L-12800S-11-13-XX" ? (1600MHz)

Is stock RAM this ?
Samsung 4GB 2Rx8 PC3L-12800S-11-11-F3
M471B5273DH0-YK0
or
Hynix 4GB 2Rx8 PC3L-12800S-11-12-F3
HMT351S6EFR8A-PB N0 AA

thelash
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Joined: Sat Aug 06, 2016 11:34 pm
Location: Eltham, New Zealand

Re: Stock 4GB RAM type on T440p ?

#2 Post by thelash » Sat Sep 07, 2019 11:17 pm

I bought a T440p recently fitted with 2 hynix sticks - 4gb 1R8 PC3L - 12800S-11-12-B and 4gb 2R8 PC3L - 12800S - 11-12 - F3. One dual rank 4gb and one single rank with slightly different timings. I wouldn't know which one was factory fitted and which was added later. I assume Lenovo would install matched pairs from new.
I upgraded it to 16gb with a matched pair of Samsung PC3L - 12800 part nos M471B1G73CBO-YKO. The laptop ran quite happily with the mismatched pair, and is obviously a bit snappier with 16gb installed; it is probably more tolerant of odd pairings than you think. That's my experience anyway.
T460 i5, 16gb ram, 500gb ssd
T430 i5 8gb ram, 500gb ssd, fhd ips.

thelash
Posts: 32
Joined: Sat Aug 06, 2016 11:34 pm
Location: Eltham, New Zealand

Re: Stock 4GB RAM type on T440p ?

#3 Post by thelash » Sat Sep 07, 2019 11:20 pm

Just to complete the picture - my hynix dual rank 4gb has same number you quote - HMT351S6EFR8A - PB AA
T460 i5, 16gb ram, 500gb ssd
T430 i5 8gb ram, 500gb ssd, fhd ips.

RealBlackStuff
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Re: Stock 4GB RAM type on T440p ?

#4 Post by RealBlackStuff » Sun Sep 08, 2019 12:10 am

Lenovo-issued RAM would have the FRU 03X6656 on it somewhere.
The 4GB ones I have seen were Hynix 2Rx8 HMT351S6EFR8A-PB xx xx (varying).
OTOH, who cares!
As long as you use a well-known brand and matching pairs (and NOT any "value-RAM"), you will be grand.
Lovely day for a Guinness! (the Real Black Stuff). And pigs CAN fly!
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