Kingston KVR667D2S4P5/4G | 4GB DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM Single Rank x4 Memory Module

Technical Specs:
- Memory Type: DDR2 SDRAM
- Capacity: 4GB
- Speed: 667MHz (PC2-5300)
- Memory Rank: Single Rank x4
- Error Correction Code (ECC): ECC Registered
- CAS Latency: CL5
- Pin Count: 240-Pin DIMM
- Voltage: 1.8V
- Form Factor: DIMM
- Number of Modules: 1
- Memory Configuration: x4
- PCB Revision: 1.2

Helpful Notes:
- ECC Registered memory is designed for use in servers and workstations where reliability is critical.
- This module is compatible with motherboards that support DDR2 memory and have a 240-pin DIMM slot.
- Make sure to check the maximum memory capacity and speed supported by your motherboard before purchasing.