Asus X550ca-xx249h Laptop, Intel Core I5-3337u 1.8ghz, 4gb Ram, 750gb Hdd, 15.6" Led, 8x Super Multi With Double Layer, Intel Hd 4000, Webcam, Windows 8 64bit
Asus X550CA RAM Replacement - iFixit Repair Guide
Asus X550CA RAM Replacement - iFixit Repair Guide
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15.5" ASUS X550CA Intel Core i3-3217U 1.8 GHz 12 GB RAM 128 GB SSD NO BATT | eBay
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Upgrading Asus X550C and CA Series Laptop RAM : 7 Steps - Instructables