Dataram DRH8640/4GB | 4GB Kit (2 X 2GB) DDR2-533MHz PC2-4200 ECC Registered CL4 278-Pin DIMM Memory

Technical Specs:
- Capacity: 4GB (2 x 2GB)
- Memory Type: DDR2 SDRAM
- Memory Speed: 533 MHz
- CAS Latency: CL4
- Pin Count: 278-pin DIMM
- Error Correction Code (ECC): ECC Registered
- Voltage: 1.8V

Helpful Notes:
1. This memory is designed for use in servers and workstations that require ECC registered memory.
2. The 533 MHz speed is relatively slow compared to modern DDR4 memory, but may still be suitable for older systems.
3. Make sure to check your system's compatibility with DDR2 memory before purchasing.