IBM Portable Personal Computer

IBM Portable PC 5155 model 68
An IBM Portable PC with two 5.25-inch floppy diskette drives installed
DeveloperIBM
TypePortable computer
Release dateFebruary 1984; 40 years ago (1984-02)
Introductory priceUS$4,225 (equivalent to $12,390 in 2023)
DiscontinuedApril 1986 (1986-04)[1]
Operating systemIBM PC DOS Version 2.10 (disk)
CPUIntel 8088 @ 4.77 MHz
Memory256 KB (expandable to 640 KB)
StorageOne or two half-height 5+14-inch 360 KB floppy disk drives
DisplayCGA card connected to an internal 9-inch monochrome (amber) composite monitor
Mass30 pounds (13.6 kg)
PredecessorIBM Personal Computer
SuccessorIBM PC Convertible

The IBM Portable Personal Computer 5155 model 68 is an early portable computer developed by IBM after the success of the suitcase-size Compaq Portable. It was released in February 1984 and was quickly replaced by the IBM Convertible, only roughly two years after its debut.

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