Crucial 32GB Kit (8GBx4) DDR4-2133 (PC4-2133) SR x4 ECC Registered DIMM Server Memory - CT4K8G4RFS4213 / CT4C8G4RFS4213 Capacity: 32 GB : 4 x 8 GB Memory Type: DDR4 SDRAM - DIMM 288-pin Upgrade Type: Generic