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Looking to upgrade your Lenovo ThinkPad E15 Gen 4 (AMD)? This comprehensive compatibility guide covers RAM, SSD, and charger compatibility for the Lenovo ThinkPad E15 Gen 4 (AMD). Whether you need better multitasking, more storage, or a replacement charger, we have verified compatibility data and recommended components.
Lenovo ThinkPad E15 Gen 4 (AMD) Key Specifications
| Component | Specification |
|---|---|
| Release Year | 2023 |
| Memory Type | DDR4 3200MHz |
| Memory Slots | 8GB soldered + 1 x SO-DIMM |
| Maximum RAM | 40GB |
| Storage Interface | M.2 2242 + M.2 2280 NVMe PCIe 3.0 |
| Charging | USB-C Power Delivery |
Memory Upgrade Path
The Lenovo ThinkPad E15 Gen 4 (AMD) uses DDR4 3200MHz SO-DIMM memory across 8GB soldered + 1 x SO-DIMM. You can upgrade to a maximum of 40GB (8GB soldered plus one SO-DIMM module). The 8GB of soldered memory cannot be removed.
We recommend checking current DDR4 prices on Amazon for the best deals on compatible memory kits.
Compatible RAM Modules
| Configuration | Capacity | Speed | Use Case |
|---|---|---|---|
| 8GB soldered + 1 x 8GB | 16GB | 3200MHz | Basic tasks |
| 8GB soldered + 1 x 16GB | 24GB | 3200MHz | General use & multitasking |
| 8GB soldered + 1 x 32GB | 40GB | 3200MHz | Professional & creative work |
Storage Expansion
The Lenovo ThinkPad E15 Gen 4 (AMD) supports M.2 2242 + M.2 2280 NVMe PCIe 3.0 solid-state drives (PCIe 4.0 SSDs fit but run at close to PCIe 3.0 speed). Upgrading the SSD is one of the most impactful improvements you can make, offering faster boot times, quicker application loading, and more storage capacity.
Compatible SSD Options
| Capacity | Interface | Best For |
|---|---|---|
| 500GB | NVMe (Gen 4 runs at PCIe 3.0 speed) | Budget upgrade |
| 1TB | NVMe (Gen 4 runs at PCIe 3.0 speed) | Recommended for most users |
| 2TB | NVMe (Gen 4 runs at PCIe 3.0 speed) | Large media libraries & games |
Top pick: The Samsung 990 EVO 1TB offers excellent performance and reliability at a competitive price point.
Power Delivery & Charging
The Lenovo ThinkPad E15 Gen 4 (AMD) supports USB-C Power Delivery charging. You can use a compatible USB-C PD charger as a replacement or spare charger. For Lenovo laptops of this era, we recommend a minimum 45W USB-C PD charger for reliable charging, though 65W provides faster charge times.
Compatible Charger Specifications
| Wattage | Connector | Notes |
|---|---|---|
| 45W | USB-C PD | Minimum recommended |
| 65W | USB-C PD | Standard / fast charging |
| 100W | USB-C PD | For use with docking stations |
Upgrade Difficulty & Tools Required
Upgrading the Lenovo ThinkPad E15 Gen 4 (AMD) is a straightforward process that most users can complete in 15-30 minutes. You will need a Phillips #0 or #1 screwdriver and a plastic spudger or prying tool to remove the bottom panel. We recommend a laptop upgrade toolkit if you don’t already have the right tools.
Difficulty rating: Easy to Moderate (3/5). Always disconnect the battery before working on internal components, and ground yourself to prevent static damage.
Frequently Asked Questions
Can I upgrade the RAM in the Lenovo ThinkPad E15 Gen 4 (AMD)?
Yes, the Lenovo ThinkPad E15 Gen 4 (AMD) supports user-upgradeable DDR4 SO-DIMM memory. It has 8GB soldered plus 1 SO-DIMM slot and supports up to 40GB of RAM.
What is the maximum RAM supported by the Lenovo ThinkPad E15 Gen 4 (AMD)?
The Lenovo ThinkPad E15 Gen 4 (AMD) supports a maximum of 40GB of DDR4 RAM (8GB soldered plus 1 SO-DIMM slot). For most users, 16GB provides an excellent balance of performance and value.
What type of SSD does the Lenovo ThinkPad E15 Gen 4 (AMD) use?
The Lenovo ThinkPad E15 Gen 4 (AMD) has two M.2 PCIe 3.0 x4 SSD slots, one M.2 2242 and one M.2 2280. PCIe 4.0 NVMe SSDs fit but run at close to PCIe 3.0 speed.
Can I use a third-party USB-C charger with the Lenovo ThinkPad E15 Gen 4 (AMD)?
Yes, the Lenovo ThinkPad E15 Gen 4 (AMD) supports USB-C Power Delivery charging. Any quality USB-C PD charger rated at 45W or above will work. We recommend 65W for optimal charging speed.
Is the Lenovo ThinkPad E15 Gen 4 (AMD) easy to upgrade?
Yes, upgrading the Lenovo ThinkPad E15 Gen 4 (AMD) is relatively straightforward. You need a Phillips screwdriver to remove the bottom panel, then the RAM and SSD slots are easily accessible. The process takes about 15-30 minutes.
Recommended Products
- DDR4 RAM for Lenovo ThinkPad E15 Gen 4 (AMD) — Best-selling compatible memory
- NVMe SSD for Lenovo ThinkPad E15 Gen 4 (AMD) — Top-rated storage upgrades
- USB-C Charger for Lenovo ThinkPad E15 Gen 4 (AMD) — Compatible power adapters
- Laptop Upgrade Toolkit — Essential tools for the job
Related Guides
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- Lenovo Upgrade Guide
Not sure what fits? Use our free Compatibility Checker covering 3,195+ models.
Helpful Guides
Upgrades that fit the Lenovo ThinkPad E15 Gen 4 AMD
What fits: Memory: DDR4-3200 SO-DIMM (8GB soldered on the board), 1 user slot, up to 40GB · Storage: M.2 2242 NVMe PCIe 3.0; M.2 2280 NVMe PCIe 3.0 · Charger: USB-C PD 65W
Spec source: psref.lenovo.com (checked 26 Sep 2026).
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