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Amazon.com: New 2nd HDD SSD Caddy for Asus Gaming Laptop ROG G750 Series G750JW G750J G750JX G750JM G551 G60V G60VX G55VW, SATA 3 Second Solid State Drive Enclosure, CD DVD Optical Bay
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G551 Upgrade Guide - Republic of Gamers
Asus ROG G551 G551V G551VW 2nd Hard Drive HDD/SSD Caddy Adapter
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Asus ROG Launches G551 and G771 Gaming Notebooks | Tom's Hardware