Tech Spec Spec it right!

Apple Mac Studio (2025)

The third Mac Studio, in the same 19.7 cm square aluminium enclosure, moving to the M4 Max or M3 Ultra with Thunderbolt 5, hardware-accelerated ray tracing, AV1 decode and up to 512 GB of unified memory. For creative and technical pros who need Mac Pro-class GPU and memory in a desktop box.

Memory

Type
Unified memory packaged with the SoC
M4 Max
36 GB standard; configurable to 48 GB, 64 GB or 128 GB (requires the 16-core CPU / 40-core GPU M4 Max)
M3 Ultra
96 GB standard; configurable to 256 GB
Bandwidth
410 GB/s (14-core M4 Max), 546 GB/s (16-core M4 Max), 819 GB/s (M3 Ultra, both configurations)
Slots
None; memory cannot be added after purchase

Storage

M4 Max
512 GB SSD standard; configurable to 1 TB, 2 TB, 4 TB or 8 TB
M3 Ultra
1 TB SSD standard; configurable to 2 TB, 4 TB, 8 TB or 16 TB

Graphics

M4 Max
32-core GPU; 40-core GPU configurable (16-core CPU model)
M3 Ultra
60-core GPU; 80-core GPU configurable (32-core CPU model)
Ray tracing
Hardware-accelerated ray tracing (new on this generation)
Media engine
Hardware-accelerated H.264, HEVC, ProRes and ProRes RAW, plus AV1 decode
External displays (M4 Max)
Up to five: four 6K60 over Thunderbolt + one 4K144 over HDMI; or two 6K60 over Thunderbolt + one 8K60 or 4K240 over HDMI
External displays (M3 Ultra)
Up to eight: eight up to 6K60 or 4K144; or four up to 8K60 or 4K240
Thunderbolt video
Native DisplayPort 2.1 output over Thunderbolt 5 (USB-C)
HDMI
One display up to 8K60 or 4K240 (HDMI 2.1); VRR, HDR and multichannel audio

Expansion

Internal slots
None; no PCIe slots, expansion only through external ports

Networking

Ethernet
10Gb Ethernet (Nbase-T 1/2.5/5/10 Gb, RJ-45)
Wi-Fi
Wi-Fi 6E (802.11ax)
Bluetooth
Bluetooth 5.3

Power

Power supply
Internal; only a power cord in the box
Input
100–240 V AC, 50–60 Hz, single phase
Maximum continuous power
480 W

Ports

Rear
4 × Thunderbolt 5 (USB-C; up to 120 Gb/s Thunderbolt 5 / USB 4, USB 3 up to 10 Gb/s, DisplayPort 2.1), 2 × USB-A (up to 5 Gb/s), HDMI 2.1, 10Gb Ethernet, 3.5 mm headphone jack
Front (M4 Max)
2 × USB-C (up to 10 Gb/s), SDXC card slot (UHS-II)
Front (M3 Ultra)
2 × Thunderbolt 5 (up to 120 Gb/s), SDXC card slot (UHS-II)
Audio
Built-in speaker; 3.5 mm headphone jack with advanced support for high-impedance headphones; HDMI multichannel audio

Physical

Dimensions
9.5 × 19.7 × 19.7 cm (H × W × D); 3.7 × 7.7 × 7.7 in
Weight
2.74 kg / 6.1 lb (M4 Max); 3.64 kg / 8.0 lb (M3 Ultra)
Colour
Silver
Operating temperature
10–35 °C (50–95 °F)
Storage temperature
–40 to 47 °C (–40 to 116 °F)
Relative humidity
5–95% non-condensing
Altitude
Tested up to 5000 m (16,400 ft)
Acoustics
1.6 B sound power level at idle and on wireless web (M3 Ultra, 28-core CPU, 60-core GPU, 96 GB, 1 TB tested)

Operating systems

Shipped with
macOS 15 Sequoia (15.2 per Wikipedia)
Supported
macOS 15 Sequoia through macOS 27 Golden Gate (per Wikipedia's supported-releases table)

Processors

  • Apple M4 Max (14-core CPU)
  • Apple M4 Max (16-core CPU)
  • Apple M3 Ultra (28-core CPU)
  • Apple M3 Ultra (32-core CPU)