KVR13N9S8/4 4GB 1333MHz DDR3 Non-ECC CL9 DIMM SR x8 Standard 512M X 64 Non-ECC 1333MHz 240-pin Unbuffered DIMM (DDR3, 1.5V, CL9, FBGA, Gold) Form Factor: Memory Module Pieces/Unit: 1 Warranty: Lifetime