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I am little bit confuse about upgrading my RAM for laptop.

I just want to extend RAM to 12GB by adding another 8GB in this laptop. Is it possible?

If yes, then why everywhere it is mentioned that EXPANDABLE RAM : 8 GB ?

Is there any disadvantages?

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    Please provide us the specification page from HP's website. The maintenance manual will provide the information you need to determine your capability to add more memory. I am going to guess it only has a single slot, and if it has two, then its not suggest to have two difference sizes installed.
    – Ramhound
    Jul 16, 2015 at 15:08
  • 2
    Check the official HP documentation support.hp.com/us-en/product/HP-15-Notebook-PC-series/7771404/…. It's possible that your mainboard does not feature more than 2/4GB per slot.
    – GiantTree
    Jul 16, 2015 at 15:09
  • HP Notebook 15-ac033tx Product Specifications
    – DavidPostill ♦
    Jul 16, 2015 at 15:11
  • "4 GB DDR3L-1600 SDRAM (1 x 4 GB)" - This would indicate you have a single module, have no empty slot, so running 12GB given your hardware is not possible.
    – Ramhound
    Jul 16, 2015 at 15:12
  • @Ramhound, if this is the case, according to you for HP Pavilion 15-ab032tx also not possible to extend RAM?
    – Vishal Zanzrukia
    Jul 16, 2015 at 15:26

1 Answer 1

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This laptop has 2 SO-DIMM slots.
One of them has a 4GB module fitted in the factory. The other is empty.
The maximum RAM size, for each slot, is 8 GB.

So you can add a 8 GB module for a total of 12 GB.
And you can replace the current 4GB module with a 8 GB module giving you 16 GB total.

Having 2 identical RAM modules allows use of them in dual-channel mode which is marginally faster (usually not more than 3%-5%) than single-channel.
Having more RAM is usually much more beneficial to Windows/applications than the small speed benefit of dual-channel versus single-channel, so I would not worry about using a mixed RAM configuration.

Please note: Most HP laptops are quite picky and will NOT work if the RAM isn't certified. Check the HP web-site for compatible RAM modules before you buy.

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  • Hi @Tonny, Thanks, but I am not getting any part of your answer start from **Having 2 identica :( Can you please explain it in little bit in easy lang?
    – Vishal Zanzrukia
    Jul 16, 2015 at 15:33
  • do you mean 8GB + 4GB is not recommended?
    – Vishal Zanzrukia
    Jul 16, 2015 at 15:34
  • Also, what is certified RAM ?
    – Vishal Zanzrukia
    Jul 16, 2015 at 15:48
  • I think you are going to have to do more research yourself. :)
    – Xavierjazz
    Jul 16, 2015 at 17:41
  • @VishalZanzrukia 8+4 will work fine. 4+4 or 8+8 will give marginally faster speed of the RAM. Hardly noticeable in real life. The benefit gained from having 4+8 instead of 4+4 due to more RAM is much more noticeable. So buy what you can afford. Certified RAM just means RAM that is certified and approved for use in this laptop by HP itself.
    – Tonny
    Jul 16, 2015 at 18:45

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