4GB (4x1GB) 530 PC2-6400

$ 6.80 + Shipping

Patriot Signature 4 GB PC3

$ 27.99 + Shipping

AddOn 2GB DDR2 SDRAM

$ 25.54 + Shipping

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$ 16.99 + Shipping

Patriot Viper Elite DDR4 8GB

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OWC 16GB 2400MHZ DDR4

$ 194.99 + Shipping