Product	8GB PC4-21300 2666MHz DDR4 ECC RDIMM	16GB PC4-21300 2666MHz DDR4 ECC RDIMM	32GB PC4-21300 2666MHz DDR4 ECC RDIMM	64GB PC4-21300 2666MHz DDR4 ECC RDIMM	32GB PC4-21300 2666MHz DDR4 ECC LR-DIMM	64GB PC4-21300 2666MHz DDR4 ECC LR-DIMM
Action	Select	Select	Select	Select	Select	Select
Main Specifications
Technology	DDR4	DDR4	DDR4	DDR4	DDR4 Load-Reduced	DDR4 Load-Reduced
Type	288-pin DIMM	288-pin DIMM	288-pin DIMM	288-pin DIMM	288-pin DIMM	288-pin DIMM
Capacity	8 GB	16 GB	32 GB	64 GB	32 GB	64 GB
Speed	2666 MHz	2666 MHz	2666 MHz	2666 MHz	2666 MHz	2666 MHz
Error Checking	ECC	ECC	ECC	ECC	ECC	ECC
Signal Processing	Registered	Registered	Registered	Registered	Registered	Registered
Recommended Use	Server	Server	Server	Server	Server	Server
Rank	Single-Rank	Single-Rank	Dual-Rank	Quad-Rank	Quad-Rank	Quad-Rank
Voltage	Standard Voltage	Standard Voltage	Standard Voltage	Standard Voltage	Standard Voltage	Standard Voltage
Action	Select	Select	Select	Select	Select	Select