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

Here are the technical specifications for the Crucial 512MB DDR2-667MHz Memory Module:

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

Helpful notes:
- This memory module is compatible with systems that support DDR2 memory.
- The dual rank feature allows for better performance in systems that support it.
- Non-ECC memory is suitable for most consumer-grade systems.