Hi MD with a 1GB capacity means up to 45 hours of music in Atrac3plus. Take everywhere your music as well as data from PC via USB. 

Features

• High capacity disc (1GB)
  
• Transfer up to 45CD's onto a 1 GB Hi MD disc thanks to Atrac3plus compression technology (increasing capacity and a better compression mode)
  
• Capable to save various types of files as well as Word, Excel, PowerPoint, Atrac3, MP3, Jpeg, Mpeg. Thanks to a direct and fast transfer, Hi MD is a polyvalent product
  
• New Shock Absorbing Mechanism: Shock Absorbing reduces vibration and improves playback music Hard Coat avoids the cartridge scratch. Hi MD can stand in a shirt pocket and is more resistant than a CD but with an equivalent quality
  
• To be used on a Hi MD recorder or player that features the "Hi MD" logo

Technical Specifications

• Cartridge Width (mm) - 72.0
  
• Cartridge Height (mm) - 68.0
  
• Cartridge Depth (mm) - 5.0
  
• CNR : Carrier to Noise Ratio (dB) - Error Rate < 3E-3
  
• Disc diameter (mm) - 64.8
  
• Possible repetitive recording times - > 1 000 000
  
• Recording time (min) - 74.0
  
• Weight (g) - 18.0