Lenovo ThinkPad T400 (2768) - RAM Upgrade Guide
The Lenovo T400 (model 2768) laptop supports RAM upgrades with two memory slots available. It can handle a maximum of 8GB of memory in total. The type of memory required is DDR3 SDRAM, and it uses a SODIMM format, which is a smaller version of the standard memory module designed for laptops. For optimal performance, the RAM should have a clock speed of 1066MHz, also referred to as PC3-8500.
Lenovo ThinkPad T400 (2768) Memory Specifications & Maximum RAM Capacity
| Specification | Value |
|---|---|
| Laptop Model | Lenovo ThinkPad T400 (2768) |
| 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 T400 (2768) RAM
What's the maximum RAM I can install in a T400?
You can go up to 8GB total - that's 4GB per slot since there are 2 slots available.
What type of memory does the T400 use?
It uses DDR3 SODIMM modules - the smaller laptop-sized memory sticks, not the full-size desktop ones.
What speed RAM should I get?
1066MHz (also labeled as PC3-8500) is the recommended speed. Higher speeds will work but will just run at 1066MHz anyway.
Can I mix different size memory modules?
Yes, you can use different sizes like 2GB + 4GB, but for best performance try to match them - either 2x2GB or 2x4GB for dual channel.
Do I need to remove the old RAM when upgrading?
Depends on your current setup. If you have 2x2GB and want 8GB total, you'll need to replace both with 4GB modules. If you only have one stick, you can just add another.
Will faster RAM like 1333MHz work?
It'll work fine but will automatically downclock to 1066MHz since that's what the system supports, so no point paying extra for faster speeds.