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G.SKILL Ripjaws X 32GB 16GB 8GB 4GB DDR3 1866MHz PC3-14900U Desktop Memory LOT | eBay
NeweggBusiness - G.SKILL Ripjaws X Series 8GB 240-Pin PC RAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL10S-8GBXL