From Apple-History.com

Announced in October 1993, the Duo 270c further improved on previous Duos by adding a 68882 FPU to its 33 MHz 68030 processor. It was also the first Duo to include an active-matrix 16 bit screen. It was priced at $3,100 and was discontinued in May 1994. Benchmarks

Codename: Escher
CPU: Motorola MC68030
CPU Speed: 33 MHz
FPU: 68882
Bus Speed: 33 MHz
Data Path: 32 bit
ROM: 1 MB
RAM Type: unique
Minimum RAM Speed: 70 ns
Onboard RAM: 4 MB
RAM Slots: 1
Maximum RAM: 32 MB
Level 1 Cache: 0.5 kB
Screen: 8.4" active matrix LCD
Maximum Resolution: 8 bit 640x480/16 bit 640x400
Slots: Modem, Dock (152-pin PDS)
Hard Disk: 240 MB
Serial: 1
Speaker(s): mono 8 bit
Microphone: mono 8 bit
Gestalt ID: 77
Power: 25 Watts
Weight: 4.8 lbs.
Dimensions: 1.5" H x 10.9" W x 8.5" D
Minimum OS: 7.1
Maximum OS: 7.6.1
Introduced: October 1992
Terminated: April 1994