No, an eGPU won't add RAM.

No. External GPU enclosures are for graphics cards, not memory modules. They don’t give you more RAM.

The confusion usually comes from the “external” part—you plug something into a Thunderbolt port and expect it to act like an upgrade. But eGPUs only provide a PCIe slot for a graphics card. They don’t have RAM slots, and they don’t pretend to. The only RAM involved is whatever video memory (VRAM) is on the GPU itself, which does nothing for system memory.

If your laptop is running out of RAM, that’s a hardware limit. No external box can fix it—not eGPU, not an external SSD, not a dock with more ports. You’d need to buy a laptop with more RAM soldered in, or one with replaceable sticks. That’s just how it works.

Bottom line: Unless you’re buying a new computer, you’re stuck with the RAM you have.