Lenovo ThinkPad T440 - RAM Upgrade Guide

The Lenovo T440 laptop has two memory slots for RAM, but only one of these slots can be upgraded by the user. The maximum amount of memory the laptop can support is 12GB, with up to 8GB allowed in the slot that can be accessed for upgrades. It uses DDR3 SDRAM as the memory type, which comes in a small outline dual inline memory module (SODIMM) format. For best performance, the RAM should operate at a clock speed of 1600MHz, corresponding to the PC3-12800 standard.
Lenovo ThinkPad T440 Memory Specifications & Maximum RAM Capacity
| Specification | Value |
|---|---|
| Laptop Model | Lenovo ThinkPad T440 |
| Total memory slots | 2 (1 not upgradeable) |
| Maximum RAM | 12GB (up to 8GB in user accessible slot) |
| Memory type | DDR3 SDRAM |
| Form factor | SODIMM (Small Outline Dual Inline Memory Module) |
| Recommended RAM clock speed | 1600MHz (PC3-12800) |
| Voltage | Low - 1.35V (DDR3L / PC3L) |
| Number of pins | 204-pin |
FAQ about Lenovo ThinkPad T440 RAM
How much RAM can I add to a T440?
You can add up to 8GB in the single accessible slot. The laptop has 4GB soldered that can't be changed, so maximum total is 12GB.
What type of memory does the T440 use?
DDR3 SODIMM laptop memory. Make sure to get the smaller notebook size, not desktop RAM.
Can I upgrade both RAM slots on the T440?
No, only one slot is accessible. The other has 4GB permanently soldered to the motherboard.
What speed RAM should I get for the T440?
1600MHz (also labeled PC3-12800) is the recommended speed. The system might accept other speeds but 1600MHz is optimal.
Will 16GB total RAM work in a T440?
No, the maximum is 12GB total - that's 4GB soldered plus 8GB in the upgradeable slot. The system won't recognize more than that.
Is the T440 RAM upgrade difficult?
It's relatively straightforward - you'll need to remove the bottom panel to access the single RAM slot. Just standard laptop disassembly.