Crucial CT640838 | 512MB Kit (2 X 256MB) DDR-333MHz PC2700 non-ECC Unbuffered CL2.5 184-Pin DIMM Memory

Technical Specs:
- Capacity: 512MB (2 x 256MB)
- Memory Type: DDR
- Memory Speed: 333MHz (PC2700)
- Error Correction Code (ECC): Non-ECC
- Buffered/Unbuffered: Unbuffered
- CAS Latency: CL2.5
- Pin Count: 184-Pin DIMM

Helpful Notes:
- This memory kit is suitable for older computer systems that use DDR memory.
- The 333MHz speed provides a decent boost in performance compared to slower DDR memory.
- Non-ECC memory is more affordable and suitable for home use, but may not be suitable for mission-critical applications.