Laptop Memory Upgrade, question about CPU-Z and configuration

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pippokeraki

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Dec 16, 2013
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Hi all

I would like to upgrade the memory of my laptop: as suggested in the FAQ pdf, I downloaded CPU-Z but I am somehow confused about the outcome.

My laptop is an Asus n750jv-t4033h that I purchased about a year ago. It came with 8gb of RAM (two 4gb modules, CPU-Z says DDR3, Dual, PC3-12800 (800mhz).

From the ASUS website, specs for this laptop say two modules available, so they should both be currently taken. But CPU-Z , in the SPD tab, let me select between 4 slots, of which 1 & 3 are taken by the above RAM.

Am I reading this wrong? In case I have only two slots, can I pair a 4gb with a new 8gb stick? And if I have two available slots, would it work to have 4+4+8 ?
Many thanks!!
 
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Barty1884

Barty1884

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I believe the N750JV use a similar (near identical) setup as some of the ROG line of laptops - there's been numerous posts on here about some of the RAM slots on the ROG laptops not working, so I assume there's some kind of BIOS lock to this.

What I think you have, is a motherboard with 4 slots (2 accessed from underneath and likely 2 hidden under the keyboard), of which only two are "active" - in this case, slots 1&3.

From Asus's site, your laptop can accomodate 2x8GB modules. What I would suggest is repopulating this slots with 2x8GB modules.

If you do infact have 4 "active" slots, 4x4, 4x2 + 1x8 etc would all 'work', but without them being identical kits (ie mixing/matching) you won't see the best available performance.

A pair of 8GB (a set, not 2 individual 8GBs) would be your best bet with two slots active.
If you do happen to have all slots active, you could try to locate a near identical set of 2x4GB that match the ones already in your laptop and run with 16GB with the 4slots being used.
 
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pippokeraki

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Dec 16, 2013
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Many thanks Barty, very detailed explanation! I will go for a set of 2 8gb sticks.. even if this is more expensive than initially expected. Any recommendation for a good price/performance set?

For example I have found these:
1) http://www.idealo.de/preisvergleich/OffersOfProduct/4546230_-hyperx-impact-16gb-kit-so-dimm-ddr3-pc3-12800-cl9-hx316ls9ibk2-16-kingston.html
2) http://www.idealo.de/preisvergleich/OffersOfProduct/3471729_-valueram-16gb-kit-so-dimm-ddr3-pc3-12800-cl11-kvr16s11k2-16-kingston.html
3) http://www.idealo.de/preisvergleich/OffersOfProduct/4582471_-16gb-kit-so-dimm-ddr3-pc3l-12800-cl11-kta-mb1600lk2-16g-kingston.html

at almost the same price, should I opt for CL9 ?
 
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Barty1884

Barty1884

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You're welcome.

Provided you ensure the specs check out, my opinion is essentially "ram is ram". As long as you're buying from a reputable company, with a decent return policy you'd be fine. You're looking for DDR3L 1600 MHz SDRAM (the MHz should clock down to 1600 from 1866MHz etc, but that doesn't always turn out to be the case - so aim for the exact spec).

My suggesions however:
Kingston HyperX as you listed here
Or
G.Skill Ripjaws here

You're looking around 100EUR either way, which although slightly more expensive than the CAD/USD equivalent currently, it's pretty close to the mark.
 
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