Product	Crucial 8GB PC4-21300 2666MHz DDR4 Non-ECC UDIMM	Crucial 16GB PC4-21300 2666MHz DDR4 Non-ECC UDIMM
Action	Select	Select
Main Specifications
Technology	DDR4	DDR4
Type	288-pin DIMM	288-pin DIMM
Capacity	8 GB	16 GB
Speed	2666 MHz	2666 MHz
Error Checking	NON-ECC	NON-ECC
Signal Processing	Unbuffered	Unbuffered
Recommended Use	Desktop	Desktop
Rank	Single-Rank	Dual-Rank
Voltage	Standard Voltage	Standard Voltage
Action	Select	Select