120 MHz PowerPC 604 with integrated floating-point unit, 32 KB L1 cache, 256 KB L2 cache and 64-bit data path at 40 MHz
GPU
Built-in video with 2 MB VRAM supports 24-bit colour through 832 × 624; 4 MB VRAM raises 1152 × 870 to 24-bit colour and is required for video mirroring
Memory type
Eight 168-pin DIMM slots; Apple supports 16–512 MB total with 70 ns memory
Storage type
Internal 1.44 MB floppy drive, 1 or 2 GB SCSI hard drive and 4× CD-ROM drive; Apple's Japanese configuration sheet lists the 2 GB version
Expansion slots
Three PCI slots; optional PC Compatibility Card
Display
Screen
None built in
Connections
Ports
Ethernet
Back ports
Apple Desktop Bus, DB-15 video, DB-25 SCSI, two GeoPort serial connections, AAUI and 10BASE-T Ethernet, S-video and RCA video input and output, RCA audio input and output, microphone input and speaker output
External displays
Built-in video supports up to 1280 × 1024 pixels; available colour depth depends on VRAM
Design and power
Type
Tower
Weight
11.34 kg
Width × depth × height
196 × 400 × 356 mm
Operating system
macOS
Size and weight detail
Apple's 14 × 7.7 × 15.75 inch and 25 lb reference dimensions; metric fields are rounded conversions
Power supply
Maximum 225 W; 100–125 or 200–240 V AC, 50–60 Hz; 3.6 V lithium clock battery
In the box
Original System Software 7.5.2. Apple lists 8 August 1995 as introduction; a separate first-sale month was not established.
Configurations
Processor
Memory
Storage
Storage type
PowerPC 604 120 MHz (Power Macintosh 8500/120)
16 MB
1 GB
Hard drive
PowerPC 604 120 MHz (Power Macintosh 8500/120)
16 MB
2 GB
Hard drive
Pros and cons
Pros
+S-video and RCA video input and output
+Three PCI expansion slots
+Built-in 10BASE-T Ethernet
Cons
−No USB ports
−2 MB standard VRAM limits high-resolution colour depth
