Dell 8GB PC3-12800 DDR3-1600 2Rx4 1.35v ECC Registered RDIMM for Dell (Dell PN# SNPRVY55C/8G) Compatible With Dell Part Number: SNPRVY55C/8G 8GB PC3-12800 DDR3-1600 2Rx4 1.35v ECC Registered RDIMM For Dell Servers only. Not compatible with Dell laptops and home computers. Lifetime Warranty Third Party; 100% Compatible