Source: http://www.watch.impress.co.jp/av/docs/20030424/melco.htm
Impress AV Watch reports that Melco has announced the imminent availability of Buffalo DVR-R42FB based on Toshiba SD-R5112 featuring the ability to write at 4x DVD-R and 2x DVD-RW. The drive has 2MB buffer memory and can also write to CD-R at 16x and CD-R at 10x.
http://buffalo.melcoinc.co.jp/products/new/2003/006_2.html