Cisco MEM-7845-I2-8GB= | 8GB Kit (2 X 4GB) DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM Single Rank Memory

Technical Specs:
- Memory Type: DDR2 SDRAM
- Capacity: 8GB (2 x 4GB)
- Speed: 667MHz
- Latency Timings: CL5
- Form Factor: DIMM 240-pin
- Data Integrity Check: ECC
- Rank Configuration: Single Rank

Helpful notes:
- This memory kit is compatible with select Cisco routers and switches.
- DDR2-667MHz is a relatively slow speed by modern standards, but may still be suitable for certain applications.
- ECC memory can detect and correct single-bit errors, which can improve system stability and reliability.