42W8023 - IBM Lenovo Intel System Board (Motherboard) Socket 479 for Thinkpad T400

Technical Specifications:
- Processor Socket: Socket 479
- Compatible with: ThinkPad T400
- Chipset Type: Mobile Intel GM45 Express
- Graphics Processor: ATI Mobility Radeon HD 3470
- USB Ports: 3 x USB 2.0
- Ethernet Ports: 1 x RJ-45
- Audio Ports: 1 x microphone - input, 1 x headphones - output
- Expansion Slots: 1 x ExpressCard/54 (1 free)
- Memory Type: DDR3 SDRAM
- Maximum Supported Memory: 8 GB
- Form Factor: Mobile

Helpful Notes:
- This motherboard is only compatible with the ThinkPad T400 model.
- Make sure to check the maximum supported memory before upgrading.
- This motherboard has a Mobile form factor, which means it is designed for laptops and not desktops.