ThinkPad T480s RAM Slots Guide & Upgrade Tips

The Lenovo ThinkPad T480s RAM slots support dual-channel DDR4 upgrades, perfect for 2026 productivity boosts. This slim business laptop has two SODIMM slots, max 32GB.

Follow this step-by-step guide for safe upgrades, compatibility, and performance tuning.

Locating and Accessing Slots

1. Power off, unplug. 2. Remove bottom panel (8 screws). 3. Slots near battery.

  • 2x DDR4-2400/3200 SODIMM
  • Up to 32GB total

Compatible RAM Selection

Crucial or Kingston kits. Match speeds/CL.

  • 16GBx2 for max
  • ECC optional for servers

Installation Steps

1. Ground yourself. 2. Release clips, insert at 45°. 3. Press until clicks.

  • Firmware update post-install
  • BIOS checks capacity

Post-Upgrade Optimization

Enable XMP in BIOS. Test with MemTest86.

  • Dual-channel doubles bandwidth
  • Thunderbolt synergy

Common Issues and Fixes

No POST? Reseat. Heat? Pads on modules.

  • Warranty void? No, user-upgradeable
  • 32GB support confirmed

Frequently Asked Questions

Max RAM?

32GB (2x16GB) DDR4-2400 officially; 3200 works.

Warranty safe?

Yes, Lenovo seals allow access.

Soldered RAM?

No, both slots user-accessible.

Speed support?

Up to 3200MHz with BIOS F9+.