Crucial CT6464AA667.4FE | 512MB DDR2-667MHz PC2-5300 non-ECC Unbuffered DIMM CL5 240-Pin DIMM Dual Rank Memory Module

Technical Specs:
- Memory Type: DDR2 SDRAM
- Capacity: 512MB
- Speed: 667MHz (PC2-5300)
- CAS Latency: CL5
- Form Factor: 240-pin DIMM
- Rank: Dual Rank
- Error Correction Code: Non-ECC
- Buffered/Unbuffered: Unbuffered

Helpful Notes:
1. This memory module is compatible with systems that support DDR2-667MHz memory.
2. Non-ECC memory is suitable for home and office use, but not recommended for mission-critical applications.
3. Dual rank memory provides better performance than single rank memory, but may not be compatible with all systems.