The Lenovo Legion Pro 5i has quickly earned a reputation as a powerful gaming and productivity laptop, blending high-end performance with a relatively accessible price point. As users push the limits of what their machines can handle—whether for gaming, 3D rendering, video editing, or software development—memory upgrades inevitably become part of the conversation. One of the most common questions prospective buyers and current owners ask is simple: Can the Lenovo Legion Pro 5i support 64GB of RAM?
TL;DR: Yes, most modern Lenovo Legion Pro 5i models support up to 64GB of DDR5 RAM, provided they have two accessible SO-DIMM slots and are running compatible hardware. While some configurations ship with 16GB or 32GB, upgrading to 64GB is typically possible and beneficial for heavy multitasking and professional workloads. However, always verify your exact model number and CPU specifications before purchasing new memory. BIOS updates and RAM speed compatibility also matter.
Understanding the Lenovo Legion Pro 5i’s Memory Architecture
To determine whether 64GB RAM is supported, you first need to understand how the Legion Pro 5i is built. Unlike many ultraportable laptops that solder memory directly onto the motherboard, the Legion Pro 5i is designed with performance and upgradability in mind.
Most Legion Pro 5i models feature:
- Two SO-DIMM RAM slots
- Support for DDR5 memory (in recent models)
- Maximum memory capacity listed as up to 64GB
This means the laptop typically supports 2 × 32GB modules, allowing a total of 64GB when fully upgraded. Earlier models using DDR4 also often support 64GB, though memory speed and compatibility differ.
Why 64GB RAM Might Matter
For the average user browsing the web or streaming content, 16GB of RAM is more than sufficient. Even modern gaming rarely requires more than 32GB. So why would someone consider upgrading to 64GB?
There are several compelling reasons:
1. Professional Content Creation
If you work with 4K or even 8K video editing in programs like Adobe Premiere Pro or DaVinci Resolve, high memory capacity significantly improves performance. Large video timelines, heavy effects, and background rendering can consume enormous amounts of RAM.
2. 3D Rendering and CAD Work
Applications such as Blender, Autodesk Maya, or SolidWorks benefit from higher memory ceilings, especially when manipulating complex scenes or simulations.
3. Software Development and Virtual Machines
Developers running multiple virtual machines, containers, or emulators will quickly exhaust 16GB or even 32GB. With 64GB, you can comfortably run multiple operating systems simultaneously.
4. Heavy Multitasking
If your workflow includes dozens of Chrome tabs, streaming software, background tools, and productivity apps running at the same time, 64GB provides breathing room that keeps everything smooth.
Processor and Chipset Limitations
Even if your laptop physically supports two memory modules, the CPU’s memory controller ultimately determines the true maximum capacity.
Most recent Lenovo Legion Pro 5i models come equipped with:
- Intel Core i7 (13th or 14th Gen)
- Intel Core i9 variants
These processors officially support up to 64GB of DDR5 RAM, and in many cases, even higher in desktop configurations. However, laptop motherboard design usually caps support at 64GB.
It’s important to:
- Check Lenovo’s official specifications for your exact model number
- Confirm maximum supported memory in the PSREF (Product Specifications Reference)
- Ensure BIOS is updated if installing newer high-capacity modules
DDR5 vs DDR4: Does It Matter?
The Legion Pro 5i exists in both DDR4 and DDR5 variants depending on the generation.
DDR5 models:
- Higher base speeds (4800MHz, 5200MHz, or higher)
- Better power efficiency
- Improved bandwidth for demanding tasks
DDR4 models:
- Typically run at 3200MHz
- Often slightly cheaper to upgrade
- Still capable of supporting up to 64GB in many cases
The key point is compatibility. You cannot mix DDR4 and DDR5. Always buy RAM that matches your specific Legion Pro 5i configuration.
How to Check if Your Legion Pro 5i Can Handle 64GB
If you already own the laptop and want to upgrade, follow these steps:
Step 1: Identify the Model Number
Look on the bottom casing or check in Windows under:
- Settings → System → About
Step 2: Check Current RAM Configuration
Open Task Manager → Performance → Memory. This shows:
- Total installed RAM
- Number of slots used
- Memory speed
Step 3: Verify Maximum Supported RAM
Search the exact model number on Lenovo’s support website or consult the official documentation.
Upgrading to 64GB: What You Should Know
If your model supports it, upgrading is relatively straightforward. The Legion Pro 5i is known for allowing user access to internal components by removing the bottom panel.
However, consider these factors before upgrading:
- Buy matched modules: Preferably a 32GB × 2 kit for stability.
- Check voltage and speed: Match manufacturer specifications.
- Dual-channel performance: Using both slots ensures optimal bandwidth.
- Warranty considerations: While RAM upgrades are usually permitted, physical damage during installation is not covered.
Installation typically involves:
- Powering off and unplugging the device
- Removing bottom screws
- Disconnecting the battery (recommended)
- Replacing or installing SO-DIMM modules
Even for inexperienced users, the process generally takes less than 30 minutes.
Performance Gains: Is 64GB Overkill?
For strictly gaming purposes, 64GB is often unnecessary. Most modern AAA games utilize between 8GB and 16GB of RAM, with some demanding titles creeping toward 20GB usage.
Where 64GB shines is in hybrid workloads:
- Streaming gameplay while gaming
- Running editing software in the background
- Using AI tools or local machine learning models
- Compiling large software projects
If your workload blends gaming with professional-grade tasks, 64GB transforms the Legion Pro 5i into a desktop-class productivity machine.
Thermal and Power Considerations
One common concern is whether installing 64GB affects heat or battery life. The short answer: minimally.
While adding higher-capacity memory slightly increases power draw, DDR5 is designed to be energy efficient. The Legion Pro 5i’s cooling system is engineered primarily around CPU and GPU loads, meaning RAM upgrades rarely impact thermals in a noticeable way.
Common Myths About Maximum RAM Support
Myth #1: If Lenovo ships it with 32GB, that’s the max.
Not true. Manufacturers often ship lower capacities to reduce cost. The motherboard may still support 64GB.
Myth #2: BIOS limitations prevent upgrades.
In modern Legion models, BIOS typically supports full advertised limits unless you’re installing unsupported high-density modules.
Myth #3: More RAM always means faster gaming.
Extra memory helps when you’re RAM-bound, but it does not increase GPU or CPU performance beyond bottlenecks.
Final Verdict: Does the Lenovo Legion Pro 5i Support 64GB RAM?
In most cases, yes—it does. Modern Lenovo Legion Pro 5i laptops are designed with upgradability in mind and generally support up to 64GB of DDR5 (or DDR4 in older models), depending on configuration.
Still, the definitive answer depends on your exact model number, processor, and motherboard revision. Always consult official documentation before investing in memory modules.
If your workflow justifies it, upgrading to 64GB transforms the Legion Pro 5i from a powerful gaming machine into a serious workstation capable of handling professional-level workloads without breaking a sweat.
For gamers, streamers, video editors, developers, and creators looking to future-proof their system, the answer is encouraging: the Lenovo Legion Pro 5i is more than capable of stepping up to 64GB—provided you choose the right configuration.