Crucial CT25664AC53E | Technology 2GB DDR2-533MHz PC2-4200 non-ECC Unbuffered CL4 200-Pin SoDimm 1.8V Memory Module

Technical Specs:
- Capacity: 2GB
- Memory Type: DDR2 SDRAM
- Memory Speed: 533MHz (PC2-4200)
- Error Correction Code (ECC): Non-ECC
- Buffered/Unbuffered: Unbuffered
- CAS Latency: CL4
- Pin Count: 200-pin
- Voltage: 1.8V

Helpful Notes:
- DDR2-533MHz is a relatively slow memory speed by today's standards.
- Non-ECC memory is more affordable than ECC memory, but doesn't provide the same level of data protection.
- This memory module is designed for laptops and other mobile devices that use SoDimm form factor.