CT12872AA53E.9FA - Crucial 1GB DDR2-533MHz PC2-4200 ECC Unbuffered CL4 240-Pin DIMM Single Rank Memory Module

Technical Specs:
- Capacity: 1GB
- Memory Type: DDR2 SDRAM
- Memory Speed: 533MHz (PC2-4200)
- Error Correction Code (ECC): Yes
- Buffered/Unbuffered: Unbuffered
- CAS Latency Timing: CL4
- Pin Count: 240
- Rank: Single

Helpful Notes:
1. ECC memory is designed for use in servers and workstations, providing an extra layer of data protection.
2. This memory module has a low latency timing of CL4, which can improve overall system performance.
3. Make sure to verify compatibility with your system before purchasing, as not all systems support DDR2 memory.