40 MHz Motorola 68030 with integrated memory-management unit and 68882 floating-point coprocessor; 0.5 KB L1 and 32 KB L2 cache
GPU
No built-in video; a compatible NuBus video card is required for a display
Memory type
Eight 64-pin SIMM slots in banks of four, using 80 ns or faster memory; Apple lists 4–128 MB and a 512 KB ROM. The 64-pin modules are specific to the IIfx.
Storage type
One or two internal 1.44 MB floppy drives, with optional 40–160 MB SCSI hard drives; 4 MB floppy-only, 80 MB and 160 MB configurations are represented here
Expansion slots
Six NuBus slots and one processor-direct slot
Display
Screen
None built in
Connections
Ports
Headphone jack
Back ports
Two Apple Desktop Bus ports, DB-25 SCSI, printer and modem serial ports and sound output; no built-in video or Ethernet
External displays
A NuBus video card is required; resolution and colour depth depend on the fitted card
Speakers
Internal speaker and sound output
Design and power
Type
Compact
Weight
10.9 kg
Width × depth × height
475 × 366 × 140 mm
Operating system
macOS
Size and weight detail
Apple's 5.5 × 18.7 × 14.4 inch and 24 lb reference dimensions; metric fields are rounded conversions
Power supply
Maximum 230 W; 100–240 V AC, 48–62 Hz; 3.6 V lithium clock battery and keyboard soft power
In the box
Original System Software 6.0.5. Apple lists 19 March 1990 as introduction; a separate maker first-sale date was not established.
Configurations
Processor
Memory
Storage
Storage type
68030 40 MHz (Macintosh IIfx)
4 MB
–
–
68030 40 MHz (Macintosh IIfx)
4 MB
80 MB
Hard drive
68030 40 MHz (Macintosh IIfx)
4 MB
160 MB
Hard drive
Pros and cons
Pros
+40 MHz 68030 and 32 KB cache
+Six NuBus slots and a processor-direct slot
+Supports up to 128 MB of memory
Cons
−Requires a separate NuBus video card
−Uses 64-pin memory modules specific to this model
