This is a brand new, unused item purchased from the manufacturer's official shop. I bought it because the drive on my computer wasn't working well, but I didn't end up using it, so I'm selling it. Specifications ■ Compatible computers: Windows PCs and Intel Macs with a USB Type-A port. *Mac software is not included. ■ Supported OS (when connected via USB 3.0): Windows 8.1, 10, macOS 10.5 or later. *Japanese OS only. ■ Interface: USB 3.2 Gen1, USB 3.1 Gen1, USB 3.0, USB 2.0 ■ Connector type: USB MicroBx1, Power port x1, Security lock mechanism (Kensington lock) x1, Strap mechanism x1 ■ Supported media (BD-R 1 layer): Supported ■ Supported media (BD-RE 1 layer): Supported ■ Supported media (BD-R DL 2 layer): Supported ■ Supported media (BD-RE DL 2 layer): Supported ■ Supported media (BD-R XL 3 layer): Supported *BDXL is not supported on macOS. ■ Supported media (BD-RE XL 3 layer): Supported *BDXL is not supported on macOS. ■ Supported media (DVD-RAM): Supported *DVD-RAM discs in cartridges must be removed from the cartridge before use. *DVD-RAM read/write is not supported on macOS. ■ Supported media (DVD+R): Supported ■ Supported media (DVD+R DL 2 layer): Supported ■ Supported media (DVD+RW): Supported ■ Supported media (DVD-R): Supported ■ Supported media (DVD-R DL 2 layer): Supported ■ Supported media (DVD-RW): Supported ■ Supported media (CD-R/RW): Supported ■ Supported media (DVD-ROM): Supported ■ Supported media (BD-ROM): Supported ■ Disc loading method: Tray method ■ Installation direction: Horizontal ■ Case material (color): White ■ Input voltage: DC +5V ■ External dimensions (width x depth x height): 138 x 133 x 14mm (body only, excluding protrusions) ■ Weight: 230g (body only)