Amazon.com: Sony DRU-810A Internal Double/Dual Layer and Dual Format DVD Burner : Electronics
What are dual layer DVDs? An explanation of how dual layer DVDs work and their specifications
HP External DVD-Writer - DVD-RAM/±R/±RW, SuperSpeed USB 3.0, Double-layer Media Support, For HP 260 G1 Desktop Mini PC & ProDesk 400 G1 Desktop Mini PC Series, 8x DVD Read, Write, Rewrite -
Refurbished: Pioneer DVR-212BK 18X SATA Double Layer DVD /-RW Drive - Newegg.com