Nanya NT4GTT72U4PB1UD-2D | 4GB DDR2-800MHz PC2-6400 ECC Fully Buffered CL5 240-Pin DIMM Dual Rank Memory Module

1. Memory Type: DDR2 SDRAM
2. Capacity: 4 GB
3. Memory Speed: 800 MHz (PC2-6400)
4. Latency Timings: CL5
5. Error Correction Code (ECC): ECC
6. Buffered/Unbuffered: Fully Buffered
7. Pin Count: 240-Pin DIMM
8. Data Integrity Check: Advanced ECC
9. Rank: Dual Rank
10. Voltage: 1.8V
11. Form Factor: DIMM
12. Compatibility: Compatible with select systems

Helpful notes:
1. Fully Buffered DIMMs offer greater reliability and performance than standard unbuffered memory modules.
2. ECC technology helps to detect and correct errors in memory, improving system stability.
3. Dual rank memory modules provide better performance than single rank modules, especially in multi-tasking environments.