Sun 371-2003 | 4GB DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM Dual Rank Memory for Ultra 40 M2 Workstation

1. Memory Type: DDR2 SDRAM
2. Memory Size: 4GB
3. Memory Speed: 667MHz
4. Memory Standard: PC2-5300
5. Error Checking and Correction (ECC): Yes
6. Registered: Yes
7. CAS Latency: CL5
8. Pin Count: 240-Pin DIMM
9. Rank: Dual Rank
10. Compatibility: Sun Ultra 40 M2 Workstation
11. Voltage: 1.8V
12. Memory Configuration: 512M x 72

Helpful Notes:
1. ECC memory is designed to detect and correct single-bit errors, which can help prevent system crashes and data corruption.
2. Registered memory helps to improve stability and performance in systems with large amounts of memory.
3. Dual rank memory can help improve memory performance in certain applications by allowing for more efficient access to memory banks.