Crucial CT4K16G4DFD824A 64 GB (4x16GB DDR4-2400) vs Crucial CT4K16G4DFD8266 64 GB (4x16GB DDR4-2666)

A side-by-side spec comparison of the Crucial CT4K16G4DFD824A 64 GB (4x16GB DDR4-2400) and the Crucial CT4K16G4DFD8266 64 GB (4x16GB DDR4-2666). We line up every specification, highlight the winner of each, and tally an overall verdict so you can decide which memory (ram) is right for your build.

Side-by-side specification comparison of Crucial CT4K16G4DFD824A 64 GB (4x16GB DDR4-2400) and Crucial CT4K16G4DFD8266 64 GB (4x16GB DDR4-2666).
Specification	Crucial CT4K16G4DFD824A 64 GB (4x16GB DDR4-2400) $498.95 Winner Buy on Amazon	Crucial CT4K16G4DFD8266 64 GB (4x16GB DDR4-2666) $497.99 Buy on Amazon
CAS Latency	17	19
Type	DDR4	DDR4
Speed	2400 MHz	2666 MHz
Modules	4	4
Voltage	1.35	1.35
Capacity	64 GB	64 GB

Crucial CT4K16G4DFD824A 64 GB (4x16GB DDR4-2400)

specs won

Crucial CT4K16G4DFD8266 64 GB (4x16GB DDR4-2666)

spec won

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