Crucial 16GB ECC DDR4-2666 (PC4-21300) Memory
Form Factor: DIMM
Number of Pins: 288-pin
Total Capacity : 16Gb
Buffered/Registered: ECC Unbuffered
Speed: PC4-21300
Class: DDR4
Frequency: 2666MHz (MT/s)
Voltage: 1.2V
Rank: 2Rx8
Lifetime warranty