Crucial CT917818 | 16GB Kit (2 X 8GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Memory for PowerEdge R900 Server

Technical specs:
- Capacity: 16GB (2 x 8GB)
- Technology: DDR2 SDRAM
- Speed: 667MHz (PC2-5300)
- Latency Timings: CL5
- Form Factor: DIMM 240-pin
- Error Correction: ECC
- Buffered: Fully Buffered

Helpful notes:
- This memory kit is specifically designed for the PowerEdge R900 server.
- ECC and Fully Buffered technologies provide higher reliability and performance.
- DDR2-667MHz is a relatively slow speed by today's standards, but it's still suitable for legacy systems.