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8GB KIT 2x 4GB Gateway DX DX4840 DX4850 Series DIMM DDR3 NONECC RAM Memory
8GB KIT (2 x 4GB) DIMM DDR3 NON-ECC RAM Memory Genuine A-Tech Memory Lifetime Warranty Designed For Gateway DX Series. (See Compatibility List Below) RAM 4 GB DDR3, Brand A-Tech, model number Weight 2.4 ounces, Dimensions 6.7 x 3.6 x 0.4 inches, Dimensions LxWxH 6.7 x 3.6 x 0.4 inches, Computer Memory Type DDR3 SDRAM, Manufacturer A-Tech, Available July 21, 2014, Rank Computer Memory 21350, Computer Memory Size 

Price is $73.00

Price: $72.59