CT2CP25664AC800 - Crucial 4GB Kit (2 X 2GB) DDR2-800MHz PC2-6400 non-ECC Unbuffered CL6 200-Pin SoDimm Dual Rank Memory

Technical Specs:
- Capacity: 4GB (2 x 2GB)
- Memory Type: DDR2 SDRAM
- Speed: 800 MHz (PC2-6400)
- Form Factor: 200-pin SO-DIMM
- CAS Latency: CL6
- Error Correction Code: Non-ECC
- Rank: Dual Rank
- Buffered/Unbuffered: Unbuffered

Helpful Notes:
1. This memory kit is compatible with laptops that support DDR2 SO-DIMM memory.
2. The 800MHz speed provides a significant boost in performance for older laptops.
3. Dual rank memory provides better performance than single rank memory in certain applications.