BD-R DL for recording, 4x speed, 5 discs, 5BNR2VLPS4 Brand: SONY Media Usage: For video, for recording Capacity (GB): 50.0 GB Number of discs: 5.0 Writing speed: 4x speed Double-sided/Single-sided: Single-sided Disc size: 12cm Sales unit: 1.0 set ☆ No pets or smokers. We strive for prompt response and same-day shipping! ☆ Those who purchase together with other products will receive a discount on shipping. ※ We are also listing on other apps, and we will stop listing as soon as a purchase is made, so please understand.