KTS5277K2/4G - Kingston 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 ECC Unbuffered CL5 240-Pin DIMM Dual Rank Memory

1. Memory Type: DDR2 SDRAM
2. Memory Size: 4GB Kit (2 x 2GB)
3. Memory Speed: 667MHz
4. Memory Standard: PC2-5300
5. Memory Technology: ECC Unbuffered
6. CAS Latency: CL5
7. Pin Count: 240-pin DIMM
8. Data Integrity Check: ECC
9. Rank: Dual Rank
10. Error Correction Code (ECC): Yes
11. Signal Processing: Unbuffered
12. Voltage: 1.8V

Notes:
1. This memory kit is compatible with systems that support DDR2-667MHz memory.
2. ECC technology helps to detect and correct errors in data stored in memory.
3. Dual rank memory modules improve memory performance by allowing for more efficient access to memory banks.