CT51272AB80EA - Crucial 4GB DDR2-800MHz PC2-6400 ECC Registered CL6 1.8V 240-Pin DIMM Dual Rank Memory Module

Technical Specs:
- Capacity: 4GB
- Memory Type: DDR2 SDRAM
- Memory Speed: 800 MHz
- PC Rating: PC2-6400
- CAS Latency: CL6
- Voltage: 1.8V
- Error Correction Code (ECC): Yes
- Registered: Yes
- Rank: Dual Rank
- Pin Count: 240-Pin DIMM

Helpful Notes:
- ECC and Registered memory modules are typically used in servers and workstations for added reliability and stability.
- Dual Rank memory modules provide better performance than Single Rank modules, especially in multi-tasking scenarios.
- Ensure compatibility with your system's motherboard before purchasing, as DDR2 memory may not be compatible with newer systems.