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CMS 16GB (2X8GB) DDR4 19200 2400MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with Acer® Predator Helios 500 PH517-51-72NU, PH517-51-98Y7, PH517-51-98EE - C109 at Amazon.com
Amazon.com: Decalrus - Protective Decal for Acer Predator Helios 500 (17.3" Screen) Laptop Black Carbon Fiber Skin case Cover wrap CFacerPredatorHelios500_17Black : Electronics
Amazon.com: CASEMATIX 17" Elite Custom Waterproof Laptop Case Compatible with Acer Predator Helios 300, Helios 500, Nitro 5 and More 15.6 inch & 17.3 inch Gaming Laptops with Accessories : Electronics
Amazon.com: ZHAWULEEFB New Laptop CPU Cooling Fan Cooler Notebook PC for Acer Predator Helios 500 Series PH517-51-72vp PH517-51-72NU PH517-61-R6UE 926P 99RB NS8CC00-17J05 8109FPR : Electronics