Weight and Dimensions (US): 47 lbs., 17.5" H x 15.1" W x 16" D
Weight and Dimensions (Metric): 21.3 kg, 44.5 cm H x 38.4 cm W x 40.6 cm D
Original Mac OS: System 7.5.5 (System Enabler 411)
Maximum Mac OS: Mac OS 9.1
Logicboard RAM: None
Maximum RAM: 128 MB
Type of RAM Slots: 2 - 168 Pin DIMMs
Minimum RAM Speed: 60 ns
Graphics Card: ATI Rage IIc
Graphics Memory: 2 MB SGRAM
Built-in Display: 15" RGB
Display Connection: None
Expansion Slots: PCI, comm, TV, video in/out
Hard Drive Bus: ATA
Backup Battery: 4.5V alkaline
Max Watts: 220 W
Ethernet: 10BASE-T
Modem: None
ADB: 1
Serial: 2
SCSI: DB-25
USB: None
FireWire: None
Audio In: stereo 16 bit (built-in mono mic)
Audio Out: stereo 16 bit (built in speaker), SRS surround
History: The PowerMac 5500 was further improved on the 5400 by adding hardware 2D and 3D graphics acceleration. It also had video input, NTSC video output, 16-bit audio input and output was initially only available to the education market, where it sold for $1,999 U.S.