9406-4475 - IBM 4GB (2 X 2GB) PC2-4200 DDR2-533MHz ECC Registered CL4 276-Pin DIMM Memory

1. Memory Type: DDR2 SDRAM
2. Capacity: 4GB (2 x 2GB)
3. Memory Speed: 533MHz
4. Latency Timings: CL4
5. Error Correction Code (ECC): ECC Registered
6. Pin Count: 276-Pin DIMM
7. Voltage: 1.8V
8. Data Integrity Check: Advanced ECC
9. Rank: Dual Rank
10. Number of Modules: 2
11. Form Factor: DIMM
12. Compatible Slots: 2 x memory - DIMM 276-pin

Helpful Notes:
1. This memory is designed for use in IBM servers and workstations.
2. ECC memory is more reliable than non-ECC memory as it can detect and correct errors.
3. Dual rank memory modules can offer better performance than single rank modules in some configurations.