PowerBook Duo 210

The PowerBook Duo 210 was released on October 19, 1992.

It has a Motorola 68030 CPU at 33MHz with a 80MB Hard Drive.

Also, it has 1MB of Macintosh ROM with 4MB of RAM, which is expandable to 28MB.

It has a internal 9.1 Inch Grayscale Passive Matrix Supertwist LCD Display at a 640 by 400 Pixel Resolution.

PowerBook Duo 230

The PowerBook Duo 230 was released on October 19, 1992.

It has a Motorola 68030 CPU at 33MHz with a 80 or 120MB Hard Drive.

Also, it has 1MB of Macintosh ROM with 4MB of RAM, which is expandable to 28MB.

It has a internal 9.1 Inch Grayscale Passive Matrix Supertwist LCD Display at a 640 by 400 Pixel Resolution.

PowerBook Duo 250

The PowerBook Duo 250 was released on October 21, 1993.

It has a Motorola 68030 CPU at 33MHz with a 200MB Hard Drive.

Also, it has 1MB of Macintosh ROM with 4 or 12MB of RAM, which is expandable to 28MB.

It has a internal 9.1 Inch Grayscale Passive Matrix Supertwist LCD Display at a 640 by 400 Pixel Resolution.

PowerBook Duo 270c

The PowerBook Duo 270c was released on October 21, 1993.

It has a Motorola 68030 CPU at 33MHz with a 240MB Hard Drive.

Also, it has 1MB of Macintosh ROM with 4 or 12MB of RAM, which is expandable to 28MB.

It has a internal 8.4 Inch Color Active Matrix 16-bit LCD Display at a 640 by 400 Pixel Resolution.

PowerBook Duo 280c

The PowerBook Duo 280c was released on May 16, 1994.

It has a Motorola 68LC040 CPU at 33MHz with a 320MB Hard Drive.

Also, it has 1MB of Macintosh ROM with 4 or 12MB of RAM, which is expandable to 40MB.

It has a internal 8.4 Inch Color Active Matrix 16-bit LCD Display at a 640 by 400 Pixel Resolution.