What is the maximum allowable RAM in Acer Aspire 5 - A515-51G-58G3 [NX.GW1EU.003]?

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benjaminaaron_m
benjaminaaron_m Member Posts: 3 New User
edited July 4 in Aspire Laptops

This model has two RAM slots, if I understand things correctly. I've found somewhat conflicting information on the internet about whether I can change the non-soldered 4 GB RAM module to a 32 GB one or just a 16 GB one. Also, what specifics should I make sure to check when choosing a RAM module to buy?

It's really hard to find serious technical information on Acer laptops… Only the user manual is available online. I'm aware that service manuals are not public, but if someone were willing to send it to me under the table, I would be much obliged. This is the way under the table: [Content Removed]

[Edited the content to hide sensitive information]

Answers

  • RenanVilela
    RenanVilela ACE Posts: 17,441 Trailblazer

    Hello, good morning.
    This model, according to the manual, supports a maximum of 20GB total.

    image.png image.png
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    Se a minha resposta te ajudou, curta o comentário e fortaleça com o Sim se possível!!

  • Puraw
    Puraw ACE, Member Posts: 17,726 Trailblazer

    Hi @benjaminaaron _m — here's the scoop on upgrading the RAM in your A515-51G-58G3, based on hands-on checks and practical experience:

    🔧 Most units in this series have:

    • 4GB soldered to the motherboard (not removable)
    • One SO-DIMM slot for expansion

    📌 That means your max RAM is 20GB (4GB onboard + 16GB in the slot). Ignore suggestions about installing a 32GB stick—they don’t apply if there’s only one slot, and I’ve yet to see a legit A515-51G with dual-slot, no-soldered RAM.

    Want to verify what’s soldered and what’s not?

    You can:

    1. Physically open the laptop (you'll need to anyway to upgrade). Look for:
      • A single SO-DIMM slot
      • No second slot = no 32GB dreams
    2. To find the specs. of the soldered RAM, run as Administrator this command: wmic memorychip list full
    3. Match your new RAM to the soldered specs: WMIC often gives a part number (e.g. M471A5244CB0-CRC) — plug that into Google or the vendor’s site to get:
      • Speed (e.g. DDR4-2400)
      • Timings (e.g. CL17)
      • Rank and voltage This helps avoid mixing modules that’ll default to the slower one or cause dual-channel issues.

    💡 Bonus tip: If WMIC shows two memory modules, you probably don’t have soldered RAM—just two removable slots (rare for this model, but worth confirming physically).

  • benjaminaaron_m
    benjaminaaron_m Member Posts: 3 New User

    @RenanVilela @Puraw

    Thank you for your answers! I've run wmic memorychip list full, and the output surprised me:

    BankLabel=BANK 0
    Capacity=4294967296
    DataWidth=64
    Description=Fizikai memória
    DeviceLocator=ChannelA-DIMM0
    FormFactor=12
    HotSwappable=
    InstallDate=
    InterleaveDataDepth=1
    InterleavePosition=1
    Manufacturer=SK Hynix
    MemoryType=0
    Model=
    Name=Fizikai memória
    OtherIdentifyingInfo=
    PartNumber=HMA851S6AFR6N-UH
    PositionInRow=
    PoweredOn=
    Removable=
    Replaceable=
    SerialNumber=00000000
    SKU=
    Speed=2400
    Status=
    Tag=Physical Memory 0
    TotalWidth=64
    TypeDetail=16512
    Version=


    BankLabel=BANK 2
    Capacity=4294967296
    DataWidth=64
    Description=Fizikai memória
    DeviceLocator=ChannelB-DIMM0
    FormFactor=12
    HotSwappable=
    InstallDate=
    InterleaveDataDepth=1
    InterleavePosition=2
    Manufacturer=04CB
    MemoryType=0
    Model=
    Name=Fizikai memória
    OtherIdentifyingInfo=
    PartNumber=AM1P24HC4R1-BUNS
    PositionInRow=
    PoweredOn=
    Removable=
    Replaceable=
    SerialNumber=E1510200
    SKU=
    Speed=2400
    Status=
    Tag=Physical Memory 1
    TotalWidth=64
    TypeDetail=16512
    Version=

    In particular, the speed of 2400 MHz instead of 2133 MHz caught my eye. I also tried the Free PC Audit tool, and it had another surprising result:

    freepcauditresult.png


    Specifically, it lists 32 GB as the max capacity (which I understand as total max capacity, not per-slot). So I thought I'd better take a look with my own eyes. I have 4 GB soldered to the motherboard, manufactured by SK Hynix (part number: HMA851S6AFR6N-UH). In addition to that, I have a replaceable 4 GB module from ADATA (part number: AM1P24HC4R1-BUNS):

    myram.png

    My conclusions:

    • Despite Free PC Audit listing 32 GB as the max capacity, it's impossible for me to reach exactly 32 GB, since there are no 28 GB RAM modules. So I would need to buy a 16 GB RAM module.
    • On the other hand, what would happen if I installed a 32 GB module? Would the system cap the total RAM at 32 GB, leaving 4 GB unused? Or would something worse happen — like the 32 GB module not being recognized at all?
    • Speed: 2400 MHz
    • CAS# Latency (CL): 17
    • Voltage: 1.2 V

    Are my conclusions correct, or am I misunderstanding something?

  • Puraw
    Puraw ACE, Member Posts: 17,726 Trailblazer

    Hi, thanks for confirming your config—yep, BANK 0 is your soldered 4GB module running at 2400 MHz. If you're adding a 16GB SODIMM, I'd still go with DDR4-3200 MHz (like Crucial CT16G4SFRA32A or CT16G4SFD832A). It'll downclock to match the soldered stick, but gives you flexibility if you repurpose it later.

    ✅ Just make sure it's:

    DDR4

    1.2 V

    Non-ECC, unbuffered

    Dual rank if you want optimal dual-channel performance

    You’ll end up with 20GB total, and the system will run both sticks at 2400 MHz, fully stable. Good upgrade path 👍

  • benjaminaaron_m
    benjaminaaron_m Member Posts: 3 New User

    @Puraw Do I understand correctly that it's unnecessary to match the CL of the soldered and the new module?

  • Puraw
    Puraw ACE, Member Posts: 17,726 Trailblazer

    Hi, mixing RAM modules with different latencies is usually fine. The system will default to the slower one to maintain stability, so as long as the frequency and voltage match (ideally 2400MHz, DDR4, 1.2V), it shouldn’t cause issues. This is especially true for the Acer Aspire 5 A515-51G, which doesn’t support XMP or aggressive memory tuning. Unless you're chasing benchmarking symmetry, the performance difference will be negligible in everyday use.