Sun X4203AF | 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 Fully Buffered CL5 240-Pin DIMM 1.8V Dual Rank Memory

1. Memory Type: DDR2 SDRAM
2. Memory Size: 4 GB (2 x 2 GB)
3. Memory Speed: 667 MHz
4. Form Factor: DIMM 240-pin
5. CAS Latency: CL5
6. Buffered/Unbuffered: Fully Buffered
7. Error Checking: ECC
8. Voltage: 1.8 V
9. Rank: Dual Rank
10. Number of Modules: 2
11. Pins: 240
12. Compatibility: PC2-5300

Notes:
1. ECC feature helps to detect and correct errors in data storage.
2. Fully Buffered DIMM technology provides high performance and reliability.
3. Dual Rank feature allows for faster data transfer and better performance.