IBM 40T4140 | 1GB DDR2-667MHz PC2-5300 non-ECC Unbuffered CL5 200-Pin SoDimm Single Rank Memory Module

Technical Specifications:
- Memory Type: DDR2 SDRAM
- Memory Size: 1GB
- Memory Speed: 667MHz
- Memory Standard: PC2-5300
- Data Integrity Check: Non-ECC
- Signal Processing: Unbuffered
- CAS Latency Timing: CL5
- Pin Count: 200
- Form Factor: SoDimm
- Rank Configuration: Single Rank
- Voltage: 1.8V
- Error Correction: None

Helpful Notes:
1. This memory module is compatible with many IBM ThinkPad laptops and other devices.
2. DDR2 memory is not compatible with DDR3 or DDR4 slots, so make sure to check your device's compatibility before purchasing.
3. Upgrading your device's memory can improve its performance and speed up tasks such as booting up and running programs.