HP 405477-561 | 4GB DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM 1.8V Dual Rank Memory Module

Technical Specs:
- Capacity: 4GB
- Memory Type: DDR2 SDRAM
- Memory Speed: 667MHz
- Form Factor: DIMM 240-pin
- CAS Latency: CL5
- Error Correction Code (ECC): ECC Registered
- Rank: Dual Rank
- Voltage: 1.8V
- Technology: DDR2 RAM
- Pins: 240-pin
- Data Integrity Check: ECC
- Module Configuration: 512M x 72

Helpful Notes:
- This memory module is compatible with systems that support DDR2-667MHz PC2-5300 memory.
- ECC memory is designed to detect and correct single-bit errors, making it ideal for use in servers and workstations.
- Dual rank memory modules offer better performance than single rank modules, especially when used in conjunction with other dual rank modules.