Can anyone give me a hint on the max RAM I can install on ACER Predator Helios 16 PH16-71

The below Storage memory is what Acer quotes for this laptop in its SG and its a max total of 32GB. Do the Crucial System Scan as they quote a max total of 64GB with their ram : Acer Predator Helios 16 PH16-71-93FR RAM & SSD Upgrades. Good luck and hope this helps you out.

Acer suggested ram modules

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I don't know which 64Gb kit ram you have installed but Crucial System Scan has this kit Acer Predator Helios 16 PH16-71-93FR RAM & SSD Upgrades which recommends max 64GB ram into your laptops 2x ram slots at DDR5-5600 • CL=46 • Non-ECC • SODIMM • 262-pins • 1.1V • 2Rx8 based • PC5-44800 with these ram modules Crucial 64GB Kit (32GBx2) DDR5-5600 SODIMM and I don't know what these modules speed are in the PHN16-71, as it could be DDR5200MHz and not DDR5-5600MHz.

The ram speed of your PHN16-71 laptop is determined by the Intel® Core™ i9-13900HX Processor which max DDR5-56000MHz and what Acer restricts the ram speed by the PHN16-71 bios, so it could be DDR5-5200MHz and NOT DDR5-4800Mhs. Make sure that you are running the PHN16-71 laptop latest Acer bios the 1.16 as if you are that is probably why the ram is running at DDR5-5200Mhz? And also check windows update has any bios updates for this laptop in windows updates>optimal updates > driver updates, and if there is a bios update there, then install that too.

It would also be an advantage if you update the Acer firmware for the PHN16-71 laptop if your boot M.2 drive is a Western Digital M.2 SSD drive, as Acer has a Firmware version v61507100 update for the WD M.2 SSD drives. Good luck and hope all this helps you out some more.

Intel® Core™ i9-13900HX Processor Memory specs:

1. Max Memory Size (dependent on memory type): Max memory size refers to the maximum memory capacity supported by the processor. 192GB
2. Memory Types: Intel® processors come in four different types: Single Channel, Dual Channel, Triple Channel, and Flex Mode. Maximum supported memory speed may be lower when populating multiple DIMMs per channel on products that support multiple memory channels: Up to DDR5 5600 MT/s or Up to DDR4 3200 MT/s
3. Max Memory Bandwidth: Max Memory bandwidth is the maximum rate at which data can be read from or stored into a semiconductor memory by the processor (in GB/s): 89.6 GB/s

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The Acer board bios for the Predator PHN16-71 laptop only support 32GB at DDR5-5200MT/s as quoted by its specification above, I can't guarantee that this laptop will support 64GB or 96GB DDR5-5600MT/s type ram, if you buy and fit this size and type of ram, you do so at your own risk. Acer did do something with the bios of the PHN16-71 laptop with bios version 1.15 titled "Updates Intel MRC (Memory Reference Code) version" which means the following:

A BIOS update that mentions updating the Intel MRC (Memory Reference Code) typically involves improvements or fixes related to memory initialization and configuration. The MRC is a crucial part of the BIOS that handles the initialization of the memory controller during the Power-On Self-Test (POST) process. Here are some key aspects of what this update might do:

1. Memory Initialization: It ensures that the system’s RAM is correctly initialized and configured for optimal performance1.
2. Stability Improvements: Updates to the MRC can fix bugs or issues that might cause system instability or memory errors2.
3. Compatibility Enhancements: It may add support for new types of memory modules or improve compatibility with existing ones3.
4. Performance Optimization: The update can include optimizations for memory timings and voltages, which can enhance overall system performance3.

These updates are essential for maintaining the stability and performance of your system, especially if you are using newer memory modules or experiencing memory-related issues. Good luck and hope this helps you out.

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If your Predator Helios 16 works with an 8GB DDR5-5600MT/s and a 24GB combined, then the DDR5 laptops do work with different ram capacity combinations and are not like the DDR4 ram, as you are still getting a total of 32GB DDR5 ram.

This is the Acer service guide specs for the Predator Helios PH16-71 specs

The below list is of the Acer suggested ram modules that Acer has tested this laptop with, and they work 100%. Acer tested this laptop with DDR5-4800MT/s and DDR5-5600MT/s

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