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I want to upgrade my ram Nitro 5 - AN515-57
PACPEP
Member Posts: 28 Enthusiast 
My Laptop is Acer Nitro 5 - AN515-57, and comes only with 1 stick of 8GB DDR4- maybe X16 memory with 3209Mhz speed. Now which RAM should i buy for it. I have seen most of ram upgrade videos but still not getting it, cuz when most of them upgrade their ram in dual channel, they get clock speeds clocked at 2933Mhz, but supported is 3200Mhz. And also is X8 or X16 ram better, which one should i use 3200Mhz -X8 or 3200Mhz - X16, and also why are the clock speeds low after upgrading it to dual channel?
Thread was edited to add model name to the title
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Your model is compatible with 2400 and 2666MHz modules but as you already have a 8GB 2400MHz, it's better to upgrade with a 2400MHz module to utilise dual channel feature, on the other hand, if you prefer 2666MHz RAM in your system,
I'm going to give you a couple links to ram that is compatible with your AN515-57
https://www.kingston.com/unitedstates/us/memory/search/model/103160/acer-aspire-nitro-5-an515-56-xxx-an515-57-xxx
https://www.amazon.com/dp/B07Q8TNXKP/?language=en_US&cstrackid=fe719f5b-400c-43fe-9c50-9bdbb588f1ef&tag=microncsus-20
I think @Easwar got slightly confused on your model number.
Also, kingston made a typo on their website when they wrote "10800H" and should have typed "11800H"
Your questions about single rank or dual rank or the number of banks can probably better be answered by Kingston or Crucial customer support. Don't be shy about emailing or chatting with their customer support. They are very nice.
https://support.kingston.com/
https://www.crucial.com/support
Sometimes I look at userbenchmark to see what other people have installed. Userbenchmark isn't foolproof, but can sometimes give you a general idea (ballpark idea) on how a ram upgrade might perform.
https://www.userbenchmark.com/System/Acer-Nitro-AN515-57/238169
I'm giving you two additional links so you can be confident that both the AN515-57 with Intel i7 11800H or i5 11400H will clock @3200Mhz as long as you install the correct ram parts.
https://www.userbenchmark.com/UserRun/46065779
https://www.userbenchmark.com/UserRun/45755066
And lastly, your ram specs that Acer installed in your laptop are:
DDR4 3200MHz Non-ECC Unbuffered SODIMM CL22
If you want to add one stick of ram to work with your existing stick of RAM in dual channel @3200 MHz, then you should look for those specs.
Please note that I used Kingston and Crucial ram as examples mainly because I live in USA and it's easier to buy them retail. Other ram that meets the specs of DDR4 3200MHz Non-ECC Unbuffered SODIMM will work too. For example, in the links below, they were using Samsung ram and Hynix ram.
https://www.userbenchmark.com/UserRun/45755066
https://www.userbenchmark.com/UserRun/45884473
G.SKILL Ripjaws SO-DIMM 8GB (1 * 8GB) DDR4 3200MHz CL22-22-22 1.20V Laptop Memory RAM - F4-3200C22S-8GRS https://www.amazon.in/dp/B08HDKD8QW/ref=cm_sw_r_apan_glt_fabc_D8VWF4KYNDH024A8C1G3?_encoding=UTF8&psc=1
It's also 3200Mhz, but I don't know how to check whether it's x8 or x16 ram
I read some of the reviews on the Amazon link that you posted. One of the reviewers posted a CPUZ screenshot showing it supports JEDEC PlugNPlay 3200 with timings 22-22-22. So yes it should work with your existing stick of ram @3200 in dual channel. In some uncommon situations x8 or x16 might matter, but since Kingston offers both x8 or x16, I don't think it matters for your AN515-57.
If I were in your shoes, I would purchase the ram below:
https://www.amazon.in/Kingston-Memory-3200Mhz-Laptop-KVR32S22S8/dp/B07ZVHG9ZP/ref=sr_1_3?crid=2AXD8KB0QLZ79&dchild=1&keywords=kingston+ram+8gb+ddr4&qid=1635544906&qsid=260-2602861-4106746&s=computers&sprefix=kingston+r,computers,297&sr=1-3&sres=B07ZVHG9ZP,B07D3NG9MG,B0187IKCY0,B06XBGTYKW,B01D8U2CI6,B01LW6HBSM,B072QYHKLR,B097K5J1SB,B097TN7V9Q,B097TQH39P,B097TR13X7,B01GCWQGIY,B07CW6P9LN,B083Q1JPCD,B01CK7LIRE,B01M1LSRHZ,B00WUPTVX0,B083Q7Y7QW,B015CVEN72,B0089JIDLC
CPU-Z shows details of your existing ram.
If you have more questions you can contact Gskill technicql support.
https://www.gskill.com/techsupport
Good luck.
Can you post CPU-Z screenshots of both sticks of your ram. (the memory tab and SPD tab)
https://www.cpuid.com/downloads/cpu-z/cpu-z_1.79-en.exe?utm_mediu
Also, can you post your complete model number. AN515-57-????
My suggestion to you is to install and do the Crucial System Scan as that will tell you the exact RAM specs and max capacity suitable for your AN515-57, which is a max of 64GB YES 64GB at 2x 32GB at DDR4-2666MHz (which Crucial recommends) and the second max capacity is 32GB 2x 16GB at DDR4-3200MHz. I know this as I've got an AN515-56 (which is basically the same laptops) and it works perfectly on 32GB 2x DDR4-3200MHz from Crucial which I’ve fitted as I didn’t need 64GB.
because i was told that if i buy just 1 piece for 2 times,sometime dont have same perform one to other(maybe from manufacture production it self i dunno), instead go buy kit that already sell for 2 piece that ram already tested to pair each other that can do same perform?? maybe someone can help me find this answer....
PS : sorry if my grammar so bad >,<