Crucial 64GB Kit (16GBx4) DDR4 2133 (PC4-2133) DR x4 288-Pin Server Memory CT4K16G4RFD4213 / CT4C16G4RFD4213 Increased memory bandwidth Reduce power consumption Premium quality memory from a trusted brand Limited Lifetime Warranty, 100% Tested Identical to model number: CT4C16G4RFD4213