KVR21E15S8/4 - Kingston Technology 4GB DDR4-2133MHz PC4-17000 ECC Unbuffered CL15 288-Pin DIMM 1.2V Single Rank Memory Module

Technical Specifications:
- Memory Size: 4GB
- Memory Technology: DDR4 SDRAM
- Memory Speed: 2133 MHz
- Memory Standard: PC4-17000
- Error Checking: ECC
- Signal Processing: Unbuffered
- CAS Latency: CL15
- Number of Pins: 288-pin
- Form Factor: DIMM
- Data Integrity Check: ECC
- Memory Voltage: 1.2V
- Rank: Single Rank

Helpful Notes:
- ECC memory is designed to detect and correct single-bit errors, making it ideal for servers and workstations.
- Unbuffered memory has lower latency than registered/buffered memory, but is limited in the number of modules that can be installed on a single motherboard.
- Make sure to check your motherboard's compatibility with this specific memory module before purchasing.