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02-23-2021 09:30 AM - edited 02-23-2021 09:32 AM
https://www.userbenchmark.com/System/HP-Laptop-15-db1xxx/138224 check this sait for my laptop series all the rams is 2666mhz from all users.but here says 2400mhz https://support.hp.com/th-en/document/c06409485
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02-26-2021 02:49 PM - edited 02-26-2021 02:49 PM
Here are the specs:
https://support.hp.com/in-en/document/c06409485
The modules are DDR4-2666 SO-DIMM but the motherboard can only run memory at 2400. The specs clearly say it is 2400 mhz memory. You were right to match the speed of the originally installed RAM.
02-26-2021 08:31 AM
Thank you for posting on the HP Support Community.
Don't worry as I'll be glad to help, however, to provide an accurate resolution, I need a few more details:
- Are you looking for Ram memory upgrade?
Keep me posted for further assistance.
ECHO_LAKE
I am an HP Employee
02-26-2021 02:31 PM
yes i know exactly what ram type has my laptop and is hyniz 2666mhz and I bought crucial 4gb 2666mhz and I installed it.and now i have 12gb ram total.thanks.I saw the model from cpu-z and is this model exactly hynix HMA81GS6JJR8N-VK and is 2666mhz.but running in 2400mhz.and i dont know why in this laptop series hp install ram 2666mhz while the official ram speed is 2400mhz.
02-26-2021 02:37 PM
Thank you for posting back.
As we have limited support boundaries in the support community as of now.
I would request you to contact our Support and our Support Engineers should be able to sort this out. HP Support can be reached by clicking on the following link: www.hp.com/contacthp/
Please feel free to contact us here anytime you need any further assistance. Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.
ECHO_LAKE
I am an HP Employee
02-26-2021 02:46 PM
you can not answer my question but there is no problem.thanks. I did what I wanted to do.I increased the ram cappacity to 12gb from 8gb.one more question I believe you can answer me. I did well to put 2666mhz or I had to install 2400mhz? but the preinstalled ram is 2666mhz.thanks.
02-26-2021 02:49 PM - edited 02-26-2021 02:49 PM
Here are the specs:
https://support.hp.com/in-en/document/c06409485
The modules are DDR4-2666 SO-DIMM but the motherboard can only run memory at 2400. The specs clearly say it is 2400 mhz memory. You were right to match the speed of the originally installed RAM.
02-26-2021 03:14 PM
i bought this ram is compatible?https://eu.crucial.com/memory/ddr4/ct4g4sfs8266/ct16638384