Qimonda HYS72T512420EFN-3S-B | 4GB DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Dual Rank Memory Module

1. Memory Type: DDR2 SDRAM
2. Memory Size: 4 GB
3. Memory Speed: 667 MHz
4. Memory Standard: PC2-5300
5. Error Correction Code (ECC): ECC
6. Buffered/Unbuffered: Fully Buffered
7. CAS Latency: CL5
8. Pin Count: 240
9. Rank: Dual Rank
10. Voltage: 1.8 V
11. Chip Organization: x4
12. Form Factor: DIMM

Notes:
1. ECC memory provides increased reliability and error correction capabilities.
2. Fully buffered memory helps to reduce memory latency and increase system stability.
3. Dual rank memory provides better performance than single rank memory in certain applications.