San Jose, Calif.-based peripheral maker Digistor has released its 4x Ultra Slim External DVD Super Multi Drive. The compact, DVD-R-capable slot-loading drive sports USB 2.0 and FireWire interfaces, and cost US$245. It can write DVD-Rs at up to 4x speed, DVD-RWs at 2x, DVD-RAM at 2X, CD-Rs at 16x and CD-RWs at 8x. It measures 6.5 x 5.5 x 1 inch, weighs 1.05 pounds and can be powered from a 6-pin FireWire interface. The 4x Ultra Slim External DVD Super Multi Drive does not come with Mac-compatible DVD burning software, but Digistor makes Roxio Toast 6 Lite available for $15 when purchased with the drive.