Vinpower Digital Titan Pro. Hard drive capacity: 500 GB. BD-R write speed: 8 x, BD-R Dual Layer write speed: 8 x, BD-RE write speed: 2 x. Input voltage: 90 - 240 V. Operating relative humidity range: 20 - 80 %, Operating temperature range (T-T): 5 - 40 °C. Dimensions (WxDxH): 510 x 660 x 735 mm, Weight: 43000 g