Dell Compatible 16GB PC4-17000 DDR4-2133MHz 2Rx4 1.2v ECC Registered RDIMM PN# A7910488 Compatible With Dell Part Number: A7910488 16GB PC4-17000 DDR4-2133MHz 2Rx4 1.2v ECC Registered RDIMM For Dell Servers only. Not compatible with Dell laptops and home computers. Lifetime Warranty Third Party; 100% Compatible