Lenovo Thinkpad Edge E40 - RAM Upgrade Guide
The Lenovo Edge E40 laptop has two memory slots available for RAM upgrades. It can support a maximum of 8GB of memory. The type of RAM compatible with this laptop is DDR3 SDRAM, and it uses the SODIMM form factor, which is a compact design suitable for laptops. For best performance, the recommended clock speed for the RAM is 1066MHz, often referred to as PC3-8500.
Lenovo Thinkpad Edge E40 Memory Specifications & Maximum RAM Capacity
| Specification | Value |
|---|---|
| Laptop Model | Lenovo Thinkpad Edge E40 |
| Total memory slots | 2 |
| Maximum RAM | 8GB |
| Memory type | DDR3 SDRAM |
| Form factor | SODIMM (Small Outline Dual Inline Memory Module) |
| Recommended RAM clock speed | 1066MHz (PC3-8500) |
| Voltage | 1.35V - 1.5V |
| Number of pins | 204-pin |
FAQ about Lenovo Thinkpad Edge E40 RAM
How many RAM slots does the Lenovo Edge E40 have?
It has 2 memory slots total. Pretty standard for laptops from that era.
What's the maximum RAM I can install in the Edge E40?
You can go up to 8GB total. That means 4GB per slot if you want to max it out.
What type of RAM does the Edge E40 use?
It uses DDR3 SDRAM in SODIMM form factor - that's the smaller laptop-sized memory sticks, not the full-size desktop ones.
What speed RAM should I get for the Edge E40?
The recommended speed is 1066MHz, also known as PC3-8500. You might find faster RAM works, but 1066MHz is what's officially supported.
Can I mix different RAM sizes in the Edge E40?
Yeah, you can mix sizes like 2GB + 4GB, but for best performance it's better to use matching pairs. The system will run in single-channel mode with mismatched sticks.
Do I need to remove the old RAM when upgrading?
Depends on your current setup. If you've got two smaller sticks and want more RAM, you'll need to replace at least one. If you've only got one stick installed, you can just add another.