Dell XPS 15 (L521x) Hard Drive & Caddy Replacement Video Tutorial Teardown - YouTube
DELL XPS 15 (L502X) Change HDD to SSD - David Yin's Blog
DELL XPS 15 (L502X) Change HDD to SSD - David Yin's Blog
DELL XPS 15 L502x: Replace HDD with SSD
DY-tech 2nd HD SSD Hard Drive Caddy Adapter for Dell XPS 15 L501X L502X 17 L701X L702X 12.7mm SATA to SATA - Buy DY-tech 2nd HD SSD Hard Drive Caddy Adapter for