Crucial CT51264AA667.Y16F | 4GB DDR2-667MHz PC2-5300 non-ECC Unbuffered CL5 1.8v 240-Pin DIMM Memory Module

Technical Specs:
- Capacity: 4GB
- Memory Type: DDR2 SDRAM
- Speed: 667 MHz (PC2-5300)
- Latency Timings: CL5
- Voltage: 1.8V
- Buffered/Unbuffered: Unbuffered
- Error Correction Code (ECC): Non-ECC
- Pin Count: 240-pin DIMM

Helpful Notes:
1. This memory module is compatible with systems that support DDR2-667MHz RAM.
2. Non-ECC memory is suitable for home and office use, but not recommended for mission-critical applications.
3. Make sure to check your motherboard's compatibility before purchasing this module.