ASUS X550J - Hard Drive HDD 2.5 W/ Windows 10 64-bit | eBay
Amazon.com: New 2nd HDD SSD Hard Drive Caddy for Asus X550 X550C X550Z X550L X550J X550JX X550CA X550ZA X555L X555LA X551M Laptop, SATA3 Second Solid State Drive Enclosure, CD DVD Optical Bay
Aluminum 2nd Hard Drive Hdd Ssd Enclosure Optical Caddy Bracket Sata For Asus S550 S551 X550 X550j X550l N550 K550 X550cc X550ca - Laptop Repair Components - AliExpress
Asus x550 SSD+HDD upgrade - YouTube
2nd HD HDD SSD SATA Hard Drive Optical Bay Caddy for ASUS W50 FX50 VX50 K550 X550J Screw bracket with faceplate bezel door - AliExpress