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Apple Mac Studio (M3 Ultra, 2025)

AppleDesktop PC

Mac Studio (M3 Ultra, 2025)

Released March 2025.2Press releaseapple.com/newsroom/2025/03/apple-unveils-new-mac-studio-the-most-powerful-mac-everRead 10 October 2026Mac Studio begins arriving and is in stores from Wednesday, March 12, 2025. The release says Mac Studio with M3 Ultra starts with 96GB of unified memory. Last checked 23 October 2026.

Form factor
Not available
Processor
Apple M3 Ultra
GPU
Apple M3 Ultra 60-core GPU
RAM
96GB

69 of 160 fields known.

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At a glance

Ports

  • 2 USB-C Thunderbolt 5
  • SD card SDXC UHS-II
  • 4 USB-C Thunderbolt 5 / USB4
  • 2 USB-A USB 3
  • HDMI 2.1
  • Ethernet (RJ45) 10Gb Ethernet
  • 3.5 mm audio

All specs

SourceCalculated

General

Series
Mac Studio1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026Maker product name is Mac Studio. The maker names no chassis class, so form_factor is left out.
Model numbers
MU973LL/A, A3389, Mac15,144Spec databaseeverymac.com/systems/apple/mac-studio/specs/mac-studio-m3-ultra-28-core-cpu-60-core-gpu-2025-specs.htmlRead 10 October 2026Identifiers: MU973LL/A, Mac15,14, A3389, EMC 8859.5Certification listdata.energystar.gov/resource/rxdj-2c88.jsonRead 10 October 2026ENERGY STAR record 4513876: Mac Studio (M3 Ultra), model A3389, additional information MU973, 28 physical cores, 96 GB, one SSD. United States and Canada.6Maker product pagesupport.apple.com/en-us/102231Read 10 October 2026Identify your Mac Studio model: Mac Studio (2025) with M3 Ultra, Model Identifier Mac15,14, part numbers MU973xx/A.
GTIN / EAN
195949056734, 1959490569015Certification listdata.energystar.gov/resource/rxdj-2c88.jsonRead 10 October 2026UPCs 195949056734 and 195949056901 from the same MU973 record. Which UPC maps to which regional part is not stated.
Announced
5 March 20252Press releaseapple.com/newsroom/2025/03/apple-unveils-new-mac-studio-the-most-powerful-mac-everRead 10 October 2026Dated March 5, 2025. Pre-orders open the same day.
Status
Discontinued4Spec databaseeverymac.com/systems/apple/mac-studio/specs/mac-studio-m3-ultra-28-core-cpu-60-core-gpu-2025-specs.htmlRead 10 October 2026Discontinued Date August 25, 2026. Apple's store now sells only the 2026 M5 models. A later price rise of June 25, 2026 is not a launch price.
Predecessor
Not available
Successor
Apple Mac Studio (M5 Ultra, 2026)20Press releaseapple.com/newsroom/2026/08/apple-introduces-new-mac-studio-with-m5-max-and-m5-ultraRead 23 October 2026Apple's August 2026 release compares the Mac Studio with M5 Ultra to the previous-generation Mac Studio with M3 Ultra.21Press articlemacworld.com/article/3220024/apple-announces-the-m5-ultra-mac-studio-with-up-to-512gb-of-ram.htmlRead 23 October 2026Macworld says buyers can now get an M5 Ultra Mac Studio instead of the M3 Ultra model.
Launch price (US)
$3,9993Press articlearstechnica.com/apple/2025/03/apple-intros-new-mac-studio-models-with-m4-max-and-m3-ultraRead 10 October 2026Launch coverage dated March 2025: the USD 3,999 base M3 Ultra model has 28 CPU cores (20 P and 8 E), 60 GPU cores, 96GB RAM and 1TB storage. US price excluding sales tax. The 256GB option was USD 1,600 extra. Education price is excluded.
Launch price (EU)
€4,9994Spec databaseeverymac.com/systems/apple/mac-studio/specs/mac-studio-m3-ultra-28-core-cpu-60-core-gpu-2025-specs.htmlRead 10 October 2026Global Original Prices lists EUR 4999 for Germany and France for this base configuration. EveryMac states the amount, not the tax treatment. German prices include VAT.
Markets
US3Press articlearstechnica.com/apple/2025/03/apple-intros-new-mac-studio-models-with-m4-max-and-m3-ultraRead 10 October 2026USD launch price for the US.
Colours
Silver1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026
Segment
Not available
Form factor
Not available

Case

Front and side, drawn to scale.

Case dimensions
Width197Height95Depth197mm(7.8 × 3.7 × 7.8 in)1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026Size and Weight: 19.7 cm width and depth and 9.5 cm height, converted to mm.
Case volume
Not available
Weight
3.64kg(8 lb)1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026Weight (M3 Ultra) 8.0 pounds (3.64 kg). Footnote says weight varies by configuration and manufacturing process. The M4 Max weight of 2.74 kg is excluded.
Case model
Not available
Case materials
Aluminium1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026Materials section: 100% recycled aluminum in the enclosure and thermal module chassis.
Side panel
Not available
Front panel
Not available
Tool-less side panel
No8Owner's manualsupport.apple.com/en-us/121980Read 10 October 2026Bottom Cover procedure needs a nylon probe, a Torx Plus 10IP bit and a torque driver to remove screws. The M3 Ultra bottom cover is part 923-12471. Not tool-less.
Dust filters
Not available
VESA mount
Not available

Display

We could not find any of these 6 fields. Show them
Screen size
Not available
Native resolution
Not available
Panel type
Not available
Max refresh rate
Not available
Touchscreen
Not available
Brightness (SDR, claimed)
Not available

Motherboard

Motherboard
Apple service part 661-502057Owner's manualsupport.apple.com/en-us/122125Read 10 October 2026Orderable parts item 36: logic board 661-50205 for M3 Ultra, 28-core CPU, 60-core GPU, 96 GB. This is an Apple service part identifier.
Chipset
Not available
Motherboard form factor
Proprietary7Owner's manualsupport.apple.com/en-us/122125Read 10 October 2026Apple service assembly sized for this enclosure. Not an ATX class board.
CPU socket
Not available
Expansion slots
Not available
PCIe x16 slots
Not available
Free expansion slots
Not available
Fan headers
29Owner's manualsupport.apple.com/en-us/121997Read 10 October 2026Removal step names two fan connectors on the logic board.
Overclocking in BIOS
Not available

Processor

Processor
Apple M3 Ultra1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026Mac Studio (2025) Tech Specs, Apple M3 Ultra column. Reference is the base M3 Ultra: 28-core CPU with 20 performance and 8 efficiency cores, 60-core GPU, 96GB unified memory, 1TB SSD. The 32-core CPU / 80-core GPU option and the M4 Max model are excluded. Apple publishes no core clocks. ENERGY STAR lists 3.6 GHz and EveryMac reports about 4.0 GHz from third-party software, so no clock is stored.
Processor brand
Apple1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026
Processor codename
Not available
Core configuration
Core typeCount
Performance20
Efficiency8
Source1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026
CPU cores
28
Performance cores
20
Efficiency cores
8
Threads
2819Spec databasehmc-tech.com/desktops/mac-studio-m3-ultra-early-2025Read 10 October 2026Spec page for Mac Studio (M3 Ultra, Early 2025): M3 Ultra (28C60G), 28 cores (20P+8E), 28 Threads. Apple lists the cores and no thread count. The page also lists a 4.05 GHz CPU clock, which is not stored because the ENERGY STAR record lists 3.6 GHz.
Max core turbo clock
Not available
L3 cache
Not available
CPU core process node
3nm13Press releaseapple.com/newsroom/2023/10/apple-unveils-m3-m3-pro-and-m3-max-the-most-advanced-chips-for-a-personal-computerRead 10 October 2026M3 family chips are built with 3-nanometer process technology. Ars Technica describes M3 Ultra as two M3 Max chips joined together. Maker process class, not a foundry node name.
CPU base power (chip rating)
Not available
Peak CPU power (configured)
Not available
Unlocked multiplier
Not available
NPU performance
Not available
Integrated GPU
Apple M3 Ultra 60-core GPU1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026Chip section states a 60-core GPU in the Apple M3 Ultra. No discrete graphics.

Cooling

CPU cooler
Air9Owner's manualsupport.apple.com/en-us/121997Read 10 October 2026Fan assembly 923-12527 mounts on the logic-board thermal module. Air cooling.
CPU cooler model
Not available
Radiator size
Not available
Radiator position
Not available
Case fans
Fan rotors
2
Source9Owner's manualsupport.apple.com/en-us/121997Read 10 October 2026Fan 923-12527 holds two blower rotors in one frame and is the same part for all 2025 configurations. Tom's Hardware also names dual internal fans.
Number of case fans
2

Graphics

Discrete GPU
No1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026
GPU
Not available
GPU brand
Not available
Graphics card
Not available
VRAM
Not available
VRAM type
Not available
GPU board power
Not available
GPU boost clock
Not available
Graphics card length
Not available
Graphics card thickness
Not available
GPU power connector
Not available

Memory

RAM
96GB1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026
RAM type
LPDDR514Reviewtomshardware.com/desktops/mini-pcs/apple-mac-studio-early-2025-reviewRead 10 October 2026Specification table lists LPDDR5 unified memory for the M3 Ultra unit. The reviewed unit was the 32-core CPU, 80-core GPU, 256GB model. The memory type is a chip fact. No measured results from that unit are used.
Configured RAM speed
6,400MT/s18Spec databaselowendmac.com/1234/apple-silicon-m3-ultra-chip-specsRead 10 October 2026M3 Ultra chip specs list LPDDR5-6400 (3200 MHz) on a 1024-bit bus with about 819.2 GB/s, which matches the 819GB/s memory bandwidth Apple publishes. Apple does not publish the transfer rate. The chip is the same in the 28-core and 32-core models. The same page lists a 4.05 GHz P-core clock, which is not stored because the ENERGY STAR record lists 3.6 GHz.19Spec databasehmc-tech.com/desktops/mac-studio-m3-ultra-early-2025Read 10 October 2026Memory row for the 96 GB base model: LPDDR5-6400. Agrees with the Low End Mac chip page. Apple does not publish the transfer rate.
Rated kit speed
Not available
Memory kit
Not available
RAM upgrade
Integrated into chip package7Owner's manualsupport.apple.com/en-us/122125Read 10 October 2026Logic board is ordered by chip and memory capacity. There are no DIMM slots, and the SSD module 661-50220 is ordered separately as the 1 TB M3 Ultra module.
Memory slots
Not available
RAM slots
Not available
Free RAM slots
Not available
Max RAM for this CPU and GPU
256GB1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026Memory section: 96GB, configurable to 256GB. The 512GB option needs the 32-core CPU and 80-core GPU. EveryMac reports that Apple removed the 256GB option on June 25, 2026. The maker sheet still lists it, so the purchase-time limit of the launch configuration is stored.
ECC memory
Not available

Storage

Storage
1TB
Installed drives
Capacity (GB)Type
1,000SSD, protocol not stated
Source1Maker product pagesupport.apple.com/en-us/122211Read 10 October 20261TB SSD, decimal GB per the page footnote. Larger sizes up to 16TB are configure-to-order. Apple does not publish an interface for its flash module, so the generic ssd type is used.
Storage slots and bays
Not available
M.2 slots
Not available
Free M.2 slots
Not available
Free drive bays
Not available
Fastest storage-slot PCIe generation
Not available

Power supply

PSU rated output
480W1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026Maximum continuous power 480W. The ENERGY STAR record lists an internal supply rated 480 W.5Certification listdata.energystar.gov/resource/rxdj-2c88.jsonRead 10 October 2026internal_power_supply_rated_power_w 480.
PSU form factor
Proprietary7Owner's manualsupport.apple.com/en-us/122125Read 10 October 2026Apple service part. No standard PSU format applies.
PSU efficiency
Not available
Modular cables
Not available
PSU model
Apple service part 661-508867Owner's manualsupport.apple.com/en-us/122125Read 10 October 2026Power supply 661-50886, one part for both chip models.
ATX version
Not available
Native 12V-2x6 cable
Not available

Ports

User-facing I/O position
Front1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026
User-facing ports
TypeVersionCountMax stated link rate (Gbps)Thunderbolt or USB4
USB-CThunderbolt 52120Thunderbolt 5
SD cardSDXC UHS-II1Not availableNot available
Source1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026On front (M3 Ultra): two Thunderbolt 5 ports (up to 120 Gb/s) and an SDXC card slot (UHS-II). The M4 Max front USB-C ports are excluded.10Owner's manualsupport.apple.com/guide/mac-studio/take-a-tour-of-mac-studio-apd0fd69f4be/2025/mac/15Read 10 October 2026On Mac Studio with the M3 Ultra chip, the two front USB-C ports are Thunderbolt 5. The SDXC slot supports SD 4.0 cards.
Rear ports
TypeVersionCountMax stated link rate (Gbps)Thunderbolt or USB4DP Alt Mode
USB-CThunderbolt 5 / USB44120Thunderbolt 5Yes
USB-AUSB 325Not availableNot available
HDMIHDMI 2.11Not availableNot availableNot available
Ethernet (RJ45)10Gb Ethernet110Not availableNot available
3.5 mm audioNot available1Not availableNot availableNot available
Source1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026Four Thunderbolt 5 (USB-C) ports with USB 4 up to 120 Gb/s and DisplayPort 2.1, two USB-A ports up to 5 Gb/s, HDMI 2.1, 10Gb Ethernet and a 3.5 mm headphone jack. The AC power inlet is not stored as a port.
User-facing USB ports
2
User-facing USB-C ports
2
Rear USB ports
6
Thunderbolt
Yes
Ethernet speed
10Gbps
Discrete GPU output ports
Not available

Wireless

Wi-Fi
Wi-Fi 6E1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026
Wi-Fi bands
2.4 GHz, 5 GHz, 6 GHz15Maker product pagesupport.apple.com/en-us/102285Read 10 October 2026Use Wi-Fi 6E or Wi-Fi 7 networks lists Mac Studio introduced in 2023 or later. It permits the 6 GHz band or only 2.4 GHz and 5 GHz. US page. Availability depends on region.
Wi-Fi module
Not available
Wi-Fi antenna
Internal7Owner's manualsupport.apple.com/en-us/122125Read 10 October 2026Antenna assemblies 1 to 3 sit inside the housing. No external antenna.
Bluetooth
5.31Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026
Ethernet controller
Marvell AQtion AQC11316Reviewhothardware.com/reviews/apple-mac-studio-m4-max-vs-mac-mini-m4-proRead 10 October 2026Page 1 identifies the 10GbE controller as Aquantia, now Marvell, AQtion AQC113. The reviewed unit is the M4 Max model. Apple lists one Ethernet board, 923-12482, for all 2025 configurations.

Camera and audio

Webcam
Not available
Built-in speaker drivers
11Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026Audio section lists a built-in speaker in the singular. The exploded view shows one Speaker.7Owner's manualsupport.apple.com/en-us/122125Read 10 October 2026Exploded view lists one Speaker, item 34.
Total speaker power
Not available
Microphones
017Spec databaseeverymac.com/systems/apple/mac-studio/specs/mac-studio-m3-ultra-28-core-cpu-60-core-gpu-2025-specs.htmlRead 10 October 2026Sound section lists Microphone None and Sound In None, with no built-in microphone in Apple's specs.
Audio features
3.5 mm headphone jack with support for high-impedance headphones, HDMI port with multichannel audio output1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026

Lighting

We could not find any of these 4 fields. Show them
RGB lighting
Not available
Lit parts
Not available
Lighting standard
Not available
Lighting software
Not available

Software

Operating system
macOS Sequoia 15.3.24Spec databaseeverymac.com/systems/apple/mac-studio/specs/mac-studio-m3-ultra-28-core-cpu-60-core-gpu-2025-specs.htmlRead 10 October 2026Pre-installed macOS 15.3.2 (24D2082). The ENERGY STAR record lists Mac OS version 15.3 as the tested OS. This is the factory OS.
OS family
macOS1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026
Control software
Not available

Upgradeability

Proprietary parts
Motherboard, PSU, Case, Fan connectors, Drive mounts7Owner's manualsupport.apple.com/en-us/122125Read 10 October 2026Logic board, power supply and housing are ordered as Apple assemblies. SSD modules are Apple service parts with no M.2 socket. The fan flex cables use locking connectors on the logic board.
Max graphics card length
Not available
Max CPU cooler height
Not available
Warranty kept after upgrade
Not available

Measured performance

We could not find any of these 8 fields. Show them
Cinebench 2024 single-core
Not available
Cinebench 2024 multi-core
Not available
Geekbench single-core
Not available
Geekbench multi-core
Not available
3DMark Time Spy graphics
Not available
3DMark Steel Nomad
Not available
SSD sequential read (measured)
Not available
Game frame rates
Not available

Measured noise and temperature

We could not find any of these 6 fields. Show them
Fan noise per load
Not available
Highest measured fan noise
Not available
Measured fan noise at idle
Not available
CPU temperature in stress test
Not available
CPU clock in stress test
Not available
GPU temperature while gaming
Not available

Measured power

We could not find any of these 6 fields. Show them
Power draw idle
Not available
Power draw gaming
Not available
Power draw max
Not available
Power draw sleep or off
Not available
Sustained CPU power (measured)
Not available
GPU power while gaming (measured)
Not available

Certifications

ENERGY STAR
Yes1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026Environment section states ENERGY STAR certified.5Certification listdata.energystar.gov/resource/rxdj-2c88.jsonRead 10 October 2026Record is listed as certified.
EPEAT
Gold11Maker spec sheet (PDF)apple.com/environment/pdf/products/desktops/Mac_Studio_PER_March2025.pdfRead 10 October 2026Footnote 6: Mac Studio achieved a Gold rating in the United States and Canada and is listed on the EPEAT Registry. The report covers Mac Studio (M3 Ultra, 1TB SSD) and (M4 Max, 512GB SSD).
Copilot+ PC
Not available
Typical annual energy consumption (TEC)
26.9kWh5Certification listdata.energystar.gov/resource/rxdj-2c88.jsonRead 10 October 2026tec_of_model_kwh 26.9 for the 96 GB MU973 record. The 512 GB record 4513877 shows 30.6 and is excluded.
Other certifications
EU RoHS (Directive 2011/65/EU, with applicable exemptions)1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026Footnote declares compliance with EU Directive 2011/65/EU and its amendments, including lead exemptions such as high-temperature solder. Manufacturer declaration, not an independent certificate.

In the box

In the box
Mac Studio, Power cord1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026Mac Studio and a power cord.
Included extras
Not available

Warranty

Manufacturer warranty (source market)
1year12Maker product pageapple.com/legal/warranty/products/embedded-mac-warranty-us.htmlRead 10 October 2026Apple One (1) Year Limited Warranty for Mac, US. AppleCare and statutory rights are separate.
Warranty service
Carry-in, Mail-in12Maker product pageapple.com/legal/warranty/products/embedded-mac-warranty-us.htmlRead 10 October 2026US warranty lists carry-in and mail-in service. Mail-in applies when Apple finds the product eligible.

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