Capacity: 8GB (1X8GB) DDR4 2666MHz ECC UDIMM RAM module. ECC Memory: Ensures data integrity and system reliability. Compatibility: Designed for servers and workstations with DDR4 UDIMM slots. Speed: Operates at 2666MHz for efficient data transfer rates. Form Factor: 1Rx8 UDIMM (Unbuffered DIMM) for easy installation.