Crucial CT8G4RFS8266.9FB1 | 8GB DDR4-2666MHz PC4-21300 ECC Registered CL19 288-Pin DIMM 1.2V Single Rank Memory Module

Technical Specs:
- Capacity: 8GB
- Memory Type: DDR4 SDRAM
- Memory Speed: 2666 MHz
- CAS Latency: CL19
- Voltage: 1.2V
- Error Correction Code (ECC): ECC Registered
- Rank: Single Rank
- Pin Count: 288-Pin DIMM

Helpful Notes:
1. ECC Registered memory is designed for servers and workstations that require high reliability and error-correcting capabilities.
2. Single rank memory modules are generally more stable and compatible with a wider range of systems than dual rank modules.
3. The CAS Latency of CL19 indicates a slightly slower response time, but this is unlikely to be noticeable in most applications.