CT2KIT6464AC53E - Crucial 1GB Kit (2 X 512MB) DDR2-533MHz PC2-4200 non-ECC Unbuffered CL4 200-Pin SoDimm Memory

Technical Specs:
- Capacity: 1GB (2 x 512MB)
- Memory Type: DDR2 SDRAM
- Memory Speed: 533 MHz (PC2-4200)
- CAS Latency: CL4
- Error Checking: Non-ECC
- Buffered/Unbuffered: Unbuffered
- Pin Count: 200-pin
- Form Factor: SO-DIMM

Helpful Notes:
1. This memory kit is designed for laptops and other mobile devices that use SO-DIMM memory.
2. The DDR2-533MHz speed provides a good balance of performance and affordability.
3. Non-ECC memory is generally less expensive than ECC memory, but does not provide the same level of error checking and correction.