Crucial CT4K4G4WFS8213 | Technology 16GB Kit (4 X 4GB) DDR4-2133MHz PC4-17000 ECC Unbuffered CL15 288-Pin DIMM 1.2V Single Rank Memory

Technical specs:
- Capacity: 16GB (4 x 4GB)
- Memory Type: DDR4 SDRAM
- Memory Speed: 2133 MHz
- CAS Latency: CL15
- Voltage: 1.2V
- Error Correction Code (ECC): ECC
- Buffered/Unbuffered: Unbuffered
- Form Factor: DIMM 288-pin
- Rank: Single Rank

Helpful notes:
1. ECC memory is designed for servers and workstations to detect and correct data errors.
2. The CAS latency of 15 provides a good balance between speed and latency.
3. Single rank memory has a lower latency than dual rank memory, but dual rank memory can provide better performance in some scenarios.