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12-07-2020 06:15 AM
Hi I want to upgrade my ram. It has 4 gb ram and i would like to put an additional 8 gb ram.
I want to know How much additional memory am I allowed to put in?
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12-07-2020 07:11 AM
What model processor does your 255 G7 have.
If it has the A4 o A6 processor, there is only one memory slot, and you would have to remove the 4 GB chip and replace it with an 8 GB chip.
If it has the Ryzen processor, it has two memory slots and you could add an 8 GB chip to the existing 4 GB chip.
Below is the link to the service manual. Chapter 1 has the memory upgrade info.
12-07-2020 08:29 AM
You're very welcome.
Your notebook is one of those that only has one memory slot.
You can remove the 4 GB DDR-2400 memory module and replace it with an 8 GB DDR4 memory module.
If your notebook does not have a solid state drive, I recommend you install one for better drive performance.
I have a 255 G7 with the same processor as yours, but mine already came with 8 GB of memory, and a 256 GB M.2 SATA SSD from HP.
It is barely adequate with that configuration.
12-07-2020 03:04 PM
I need one last suggestion from you. At Crucial I found these compatible rams
but not the one that was mentioned in the support guide DDR4-1866. Would a DDR4 - 2400 be compatible with my laptop?
I looked at a couple of places and the availability of DDR4-1866 is rare.
12-07-2020 03:35 PM
I am pretty sure that the 4 GB memory module that HP installed in your notebook is DDR4-2400.
The processor just runs it at 1866 MHz.
This 8 GB crucial chip will work just fine for you from that report.
I have zipped up and attached a free utility below that will tell you what speed memory HP installed in your notebook.