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Apple Mac Studio (M3 Ultra, 2025) vs MINISFORUM MS-A2 (Ryzen 9 9955HX, 64GB)

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Product A: Apple

Mac Studio (M3 Ultra, 2025)

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B

Product B: MINISFORUM

MS-A2 (Ryzen 9 9955HX, 64GB)

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Only differences

AApple Mac Studio (M3 Ultra, 2025)

BMINISFORUM MS-A2 (Ryzen 9 9955HX, 64GB)

General

8 of 9 differ

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.

Mini Workstation1Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026The store files the MS-A2 under Mini Workstation Series and lists the product type as Work Station.

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

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.

MS-A261US2Maker product pagestore.minisforum.com/products/minisforum-ms-a2-workstation.jsRead 13 October 2026Store product data lists SKU MS-A261US for AMD Ryzen 9 9955HX with 64GB RAM+1TB SSD and the US power adapter. Other RAM and storage variants have other SKUs and are not listed.

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.

Not available

AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

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.

January 20255Press articlenascompares.com/2025/01/13/the-minisforum-ms-a2-workstation-revealedRead 13 October 2026NASCompares article of January 2025 reports the MS-A2 workstation as revealed at CES 2025. The exact day is not stated, so only the month is stored.

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.

Available1Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026US store lists the Ryzen 9 9955HX 64GB RAM + 1TB SSD variant (SKU MS-A261US) at a discounted price with an estimated early November shipping time. Current availability is not launch-date proof.

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

Not available

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SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

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.

Not available

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

$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.

Not available

Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

€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.

Not available

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

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.

US2Maker product pagestore.minisforum.com/products/minisforum-ms-a2-workstation.jsRead 13 October 2026This is the Minisforum US store. Only the US adapter option applies to the stored SKU. Other countries are not covered.

ColoursiThe maker's own colour names

Silver1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026

Not available

SegmentiUse the maker's product category. Do not assign a use case from performance or appearance alone.

Not available

Workstation1Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026The maker's own category is Work Station (mini workstation).

Form factoriThe maker's stated chassis class. Generic tower does not imply a full, mid or mini tower tier.

Not available

Mini PC1Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026

Case

5 of 10 differ

Case dimensionsiChassis width, height and depth in the stated orientation. Source notes identify feet, handles or brackets excluded by the maker. An all-in-one is measured with its included stand when the maker gives both sizes.

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.

Width196Height48Depth189mm(7.7 × 1.9 × 7.4 in)1Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026Specification: product dimension 196 x 189 x 48 mm. The same axis order is used for the catalog's MS-01. The 48 mm side is the height.

Case volumeiVolume published by the maker. It may differ from the outer dimensions multiplied together.

Not available

1.78L1Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026The page states a volume of just 1.78L (196 x 189 x 48 mm). It is a maker figure and not a multiplication of the stated sizes.

WeightiPublished system weight for the stated configuration. Source notes distinguish maximum, approximate and starting weights. An all-in-one is weighed with its included stand when the maker gives both weights.

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.

1.4kg(3.1 lb)1Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026The page says the system weighs only 1.4 kg. Configuration scope is not stated. A barebone and configured units may differ slightly.

Case model

Not available

Not available

Case materialsiPublished materials of the enclosure and panels, not every internal component. An edition with other panels, such as a wood front, can differ, so it is per variant.

Aluminium1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026Materials section: 100% recycled aluminum in the enclosure and thermal module chassis.

Not available

Side panel

Not available

Not available

Front panel

Not available

Not available

Tool-less side paneliWhether the side panel can be opened without a tool after any shipping or security screw is removed. Conditions belong in the source note.

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.

Yes7Reviewservethehome.com/minisforum-ms-a2-review-an-almost-perfect-amd-ryzen-intel-10gbe-homelab-systemRead 13 October 2026Page 2: getting inside is easy, a latch slides the internal tray out. The CPU and memory fan inside still uses three screws, so only the main access is tool-less. The review unit was a 9955HX system.

Dust filters

Not available

Not available

VESA mount

Not available

Not available

Display

None of 6 known

Screen sizeiActual diagonal of the primary built-in all-in-one display. Do not substitute a rounded marketed size. External bundled monitors and chassis status screens are excluded.

Not available

Not available

Native resolutioniPhysical pixel resolution of the primary built-in all-in-one display. External video-output limits, bundled monitors and chassis status screens do not qualify.

Not available

Not available

Panel typeiPublished panel technology of the primary built-in all-in-one display. A display brand name alone does not establish panel technology. External bundled monitors and chassis status screens are excluded.

Not available

Not available

Max refresh rateiHighest published refresh rate of the primary built-in display at native resolution. External video-output limits do not qualify.

Not available

Not available

TouchscreeniPublished touch-input support of the primary built-in display. A touchscreen status panel does not qualify.

Not available

Not available

Brightness (SDR, claimed)iManufacturer ordinary brightness rating of the primary built-in display. Preserve published conditions in source notes. Not HDR peak, outdoor peak or a reviewer measurement.

Not available

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Motherboard

7 of 9 differ

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.

Not available

Chipset

Not available

Not available

Motherboard form factoriMotherboard dimensions class, not the size of the computer case.

Proprietary7Owner's manualsupport.apple.com/en-us/122125Read 10 October 2026Apple service assembly sized for this enclosure. Not an ATX class board.

Not available

CPU socket

Not available

FL16Maker product pageamd.com/en/products/processors/laptop/ryzen/9000-series/amd-ryzen-9-9955hx.htmlRead 13 October 2026AMD lists socket FL1. The chip is not user-replaceable in this system.

Expansion slotsiPhysical card slots and WLAN M.2 slots. Storage M.2 slots belong in storage_slots. Mechanical slot shape and electrical lane width are separate.

AApple Mac Studio (M3 Ultra, 2025)

Not available

BMINISFORUM MS-A2 (Ryzen 9 9955HX, 64GB)

Mechanical slot type	Electrical lanes	PCIe generation	Count	Occupied
PCIe x16	8	4	1	No
M.2 E-key	Not available	Not available	1	Yes

Source1Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026PCIe Expansion: PCIe x16 physical with PCIe 4.0 x8 bandwidth and splitting supported. Mechanical x16 and electrical x8 are kept apart. STH shows the slot empty with an optional OCuLink card. The WLAN M.2 socket has no published key, so it is not listed.8Reviewnascompares.com/2025/04/30/minisforum-ms-a2-review-the-ms-01-killerRead 13 October 2026Review table: Wi-Fi 6E and Bluetooth 5.2 via an M.2 2230 E-Key card. The card is installed, so the E-key slot is stored as occupied. The review unit configuration is not stated, so none of its measured power, noise or benchmark values are stored.

PCIe x16 slotsiCounts mechanically x16 card slots, including occupied slots. A slot may have fewer electrical lanes.

Not available

1=CalculatedFrom Expansion slots

Free expansion slotsiCounts slots documented as unoccupied. GPU thickness can block access to an unoccupied slot.

Not available

1=CalculatedFrom Expansion slots

Fan headersiPhysical connectors for fans on the motherboard, not the number of installed fans.

29Owner's manualsupport.apple.com/en-us/121997Read 10 October 2026Removal step names two fan connectors on the logic board.

Not available

Overclocking in BIOSiTrue when BIOS permits CPU or memory tuning. Source notes must distinguish XMP or EXPO memory tuning from CPU multiplier overclocking.

Not available

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Processor

14 of 16 differ

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.

AMD Ryzen 9 9955HX1Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026CPU: AMD Ryzen 9 9955HX (Zen 5, 16 cores, 32 threads, 64M L3 cache, up to 5.4 GHz). The page also lists the Ryzen 9 7945HX, 9 8945HX and 7 7745HX as options. This product is the 9955HX variant.

Processor brand

Apple1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026

AMD6Maker product pageamd.com/en/products/processors/laptop/ryzen/9000-series/amd-ryzen-9-9955hx.htmlRead 13 October 2026

Processor codenameiChip maker's processor or platform codename. This is separate from each core's architecture name.

Not available

Fire Range6Maker product pageamd.com/en/products/processors/laptop/ryzen/9000-series/amd-ryzen-9-9955hx.htmlRead 13 October 2026AMD lists the former codename Fire Range and the Zen 5 architecture.

Core configurationiOne row per stated core category. Apple super cores are distinct from performance cores. Clock values describe that category.

AApple Mac Studio (M3 Ultra, 2025)

Core type	Count
Performance	20
Efficiency	8

Source1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026

BMINISFORUM MS-A2 (Ryzen 9 9955HX, 64GB)

Core type	Count	Core	Base clock (GHz)	Max core turbo clock (GHz)
Performance	16	Zen 5	2.5	5.4

Source1Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026The page states 16 cores, 32 threads and up to 5.4 GHz. The 2.5 GHz base clock comes from AMD. All cores are Zen 5.6Maker product pageamd.com/en/products/processors/laptop/ryzen/9000-series/amd-ryzen-9-9955hx.htmlRead 13 October 2026AMD lists 16 cores, 32 threads, 2.5 GHz base clock and up to 5.4 GHz boost.

CPU cores

28=CalculatedFrom Core configuration

16=CalculatedFrom Core configuration

Performance coresiCounts rows explicitly classified as performance cores. Apple super cores are stored separately and excluded.

20=CalculatedFrom Core configuration

16=CalculatedFrom Core configuration

Efficiency coresiCounts efficiency and low-power efficiency cores. Zero means a complete stated core configuration has no such cores.

8=CalculatedFrom Core configuration

0=CalculatedFrom Core configuration

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.

321Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026

Max core turbo clockiHighest core-category turbo or boost clock in cpu_clusters. Separate favored-core or processor-level boost ratings are not substituted for a category's published turbo clock.

Not available

5.4GHz=CalculatedFrom Core configuration

L3 cache

Not available

64MB1Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 20266Maker product pageamd.com/en/products/processors/laptop/ryzen/9000-series/amd-ryzen-9-9955hx.htmlRead 13 October 2026AMD lists 16 MB L2 and 64 MB L3.

CPU core process nodeiPublished CPU-core fabrication node. Package components and I/O dies may use other nodes. Maker node name belongs in the source note.

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.

4nm6Maker product pageamd.com/en/products/processors/laptop/ryzen/9000-series/amd-ryzen-9-9955hx.htmlRead 13 October 2026AMD lists TSMC 4nm FinFET for the CPU cores and TSMC 6nm FinFET for the I/O die. The stored 4 nm is the CPU-core node.

CPU base power (chip rating)iChip maker's base-power or default-TDP rating. It is not measured wall power or the PC maker's configured power limit.

Not available

55W6Maker product pageamd.com/en/products/processors/laptop/ryzen/9000-series/amd-ryzen-9-9955hx.htmlRead 13 October 2026AMD Default TDP 55W with a configurable TDP of 55 to 75W. This is a chip rating and is not Minisforum's configured power limit. The maker's own turbo 100W TDP claim is not stored.

Peak CPU power (configured)iPower limit configured by the PC maker, such as PL2 or PPT. Do not substitute the chip maker's maximum turbo-power rating.

Not available

Not available

Unlocked multiplier

Not available

Yes6Maker product pageamd.com/en/products/processors/laptop/ryzen/9000-series/amd-ryzen-9-9955hx.htmlRead 13 October 2026AMD lists Unlocked for Overclocking: Yes for the chip. This does not establish the controls exposed by the Minisforum BIOS.

NPU performanceiPublished NPU throughput only. GPU, total-system AI throughput and different precision modes are separate. Precision belongs in the source note.

Not available

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.

AMD Radeon 610M1Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026GPU: AMD Radeon 610M.

Cooling

2 of 6 differ

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.

Air1Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026The page describes a thermal design with three pure copper heat pipes, phase-change material and turbine fans. No water cooling.8Reviewnascompares.com/2025/04/30/minisforum-ms-a2-review-the-ms-01-killerRead 13 October 2026Review: a dedicated CPU cooling system with copper piping and a 12V fan. No water cooling.

CPU cooler model

Not available

Not available

Radiator size

Not available

Not available

Radiator position

Not available

Not available

Case fansiInstalled chassis airflow fans, including radiator fans. Excludes GPU, PSU and standalone CPU-cooler fans. Count fan rotors, including multiple rotors in a single-frame assembly. A mini PC whose only fan cools the processor and moves the air through the case counts that fan.

AApple Mac Studio (M3 Ultra, 2025)

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.

BMINISFORUM MS-A2 (Ryzen 9 9955HX, 64GB)

Fan rotors
1

Source8Reviewnascompares.com/2025/04/30/minisforum-ms-a2-review-the-ms-01-killerRead 13 October 2026Review table: Cooling lists 1x CPU Fan (12V) and 1x SSD/Network Fan (5V). The CPU fan belongs to the CPU cooler with a heat pipe and fin arrangement and is excluded from this chassis fan table. The SSD and network fan is stored. Fan size and PWM support are not stated. STH also describes a fan on the storage side.

Number of case fansiSum of documented chassis and radiator fan rotors. Excludes GPU, PSU and standalone CPU-cooler fans.

2=CalculatedFrom Case fans

1=CalculatedFrom Case fans

Graphics

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Discrete GPU

No1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026

No1Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026

GPUiDiscrete graphics chip. Integrated graphics belong in integrated_gpu.

Not available

Not available

GPU brand

Not available

Not available

Graphics card

Not available

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VRAM

Not available

Not available

VRAM type

Not available

Not available

GPU board poweriConfigured total board power of the installed card. A chip-family reference rating is not proof of an OEM card limit.

Not available

Not available

GPU boost clockiPublished boost clock for the installed graphics card and mode. Do not use a measured transient clock or another board model's rating.

Not available

Not available

Graphics card length

Not available

Not available

Graphics card thicknessiCard thickness in PCIe bracket-slot units, such as 2.5. This is not the number of connectors or motherboard slots.

Not available

Not available

GPU power connector

Not available

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Memory

9 of 11 differ

RAM

96GB1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026

64GB1Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026The store variant name is 64GB RAM+1TB SSD.

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.

DDR51Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026Memory: DDR5 SO-DIMM x 2.

Configured RAM speediMemory transfer rate configured on delivery. A rated XMP or EXPO profile may be faster when it is disabled.

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.

5,600MT/s1Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026Memory: Ryzen 9000 series DDR5-5600. The store also states Dual DDR5-5600Mhz. Ryzen 7000 models run DDR5-5200.

Rated kit speediRated memory-kit or profile speed. This can differ from the speed configured on delivery.

Not available

Not available

Memory kit

Not available

Not available

RAM upgradeiHow installed memory is physically attached. Purchase-time capacity choices do not mean memory can be upgraded later.

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.

Slots1Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026Two SO-DIMM slots according to the maker and STH.

Memory slotsiPhysical replaceable memory connectors, with one row per occupancy state. Package-integrated memory is not a DIMM slot.

AApple Mac Studio (M3 Ultra, 2025)

Not available

BMINISFORUM MS-A2 (Ryzen 9 9955HX, 64GB)

Slot	Count	Occupied	Module size (GB)
SO-DIMM	2	Yes	32

Source1Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026Two DDR5 SO-DIMM slots. A 64GB total fills both slots, so each module is 32 GB. The page lists the module size nowhere. STH tested a 2x32GB kit in the 9955HX system.

RAM slots

Not available

2=CalculatedFrom Memory slots

Free RAM slots

Not available

0=CalculatedFrom Memory slots

Max RAM for this CPU and GPUiMaximum stated capacity without changing the CPU or GPU configuration represented by this product. For integrated memory this is a purchase-time limit. For slot-based RAM it is the maker's supported upgrade limit.

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.

96GB1Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026Maker states up to 96GB DDR5-5600. STH ran 128GB but says anything above 96GB is not supported by AMD or Minisforum.

ECC memoryiSystem-level ECC memory support or configuration. DDR5 on-die ECC alone does not establish this field.

Not available

No7Reviewservethehome.com/minisforum-ms-a2-review-an-almost-perfect-amd-ryzen-intel-10gbe-homelab-systemRead 13 October 2026Page 2 and 4: 2x48GB ECC SO-DIMMs booted and showed 96GB but ECC did not work. The Minisforum product manager confirmed ECC should not work and would need a Ryzen Pro chip.

Storage

4 of 7 differ

Storage

1TB=CalculatedFrom Installed drives

1TB=CalculatedFrom Installed drives

Installed drivesiInstalled drives, one row per physical drive. Capacity is in decimal GB. Use the generic SSD option when its protocol is not published. It does not establish an interface or socket. Do not represent alternative purchase capacities as installed drives.

AApple Mac Studio (M3 Ultra, 2025)

Capacity (GB)	Type
1,000	SSD, 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.

BMINISFORUM MS-A2 (Ryzen 9 9955HX, 64GB)

Capacity (GB)	Type
1,000	SSD, protocol not stated

Source1Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026Storage is a 1TB SSD per the variant name. The page does not state its protocol or PCIe generation, so the generic ssd type is used.

Storage slots and baysiPhysical SSD connectors and drive bays, counted once each. Multiple supported M.2 lengths or alternative bay uses do not create extra slots.

AApple Mac Studio (M3 Ultra, 2025)

Not available

BMINISFORUM MS-A2 (Ryzen 9 9955HX, 64GB)

Form factor	Interface	PCIe generation	PCIe lanes	Count
M.2 2280	PCIe NVMe	4	4	1
M.2 22110	PCIe NVMe	4	4	2

Source1Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026Storage: one M.2 2280/U.2 NVMe slot (PCIe 4.0 x4, U.2 up to 15 TB) and two M.2 2280/22110 NVMe slots (up to 4 TB per slot, default PCIe 3.0 x4, up to PCIe 4.0 x4 in the BIOS). Three slots in total. Which slot holds the installed SSD is not stated, so occupancy is left out. The stored generation 4 is the maximum. The two 22110 slots default to PCIe 3.0.

M.2 slots

Not available

3=CalculatedFrom Storage slots and bays

Free M.2 slots

Not available

Not available

Free drive bays

Not available

0=CalculatedFrom Storage slots and bays

Fastest storage-slot PCIe generationiHighest documented PCIe generation of a storage slot. This does not identify the installed drive's generation.

Not available

4=CalculatedFrom Storage slots and bays

Power supply

3 of 7 differ

PSU rated outputiPower supply's rated output, or an external adapter's output rating. Maximum system consumption, peak PSU power and wall draw are separate.

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.

240W1Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026Power Adapter: 19V/12.63A, which is 239.97W. STH calls it a 240W power brick. This is the adapter rating, not system consumption.7Reviewservethehome.com/minisforum-ms-a2-review-an-almost-perfect-amd-ryzen-intel-10gbe-homelab-systemRead 13 October 2026Page 4: the system comes with a 240W power brick.

PSU form factoriReplacement PSU dimensions class. Electrical standards such as ATX12VO belong in psu_atx_version. A supply built into an all-in-one is proprietary unless the maker names a standard size.

Proprietary7Owner's manualsupport.apple.com/en-us/122125Read 10 October 2026Apple service part. No standard PSU format applies.

External adapter1Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026

PSU efficiencyiWhen an 80 PLUS and a Cybenetics level are both published, the 80 PLUS level is stored and the Cybenetics level goes in the source note.

Not available

Not available

Modular cables

Not available

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.

Not available

ATX version

Not available

Not available

Native 12V-2x6 cableiThe supplied PSU has a native 12V-2x6 GPU cable. A generic 16-pin connector description alone does not establish its revision.

Not available

Not available

Ports

7 of 9 differ

User-facing I/O positioniLocation of the accessible front, top, side or bottom port panel.

Front1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026

Front1Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026

User-facing portsiAccessible front, top, side and bottom ports at the stated I/O position. Counts refer to physical connectors.

AApple Mac Studio (M3 Ultra, 2025)

Type	Version	Count	Max stated link rate (Gbps)	Thunderbolt or USB4
USB-C	Thunderbolt 5	2	120	Thunderbolt 5
SD card	SDXC UHS-II	1	Not available	Not 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.

BMINISFORUM MS-A2 (Ryzen 9 9955HX, 64GB)

Type	Version	Count	Max stated link rate (Gbps)
USB-A	USB 3.2 Gen 1	2	5
USB-A	USB 2.0	1	0.48
3.5 mm audio	Combo jack	1	Not available

Source1Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026Front I/O: 3.5mm combo jack, two USB 3.2 Gen1 (5Gbps) and one USB 2.0. Connector shape is USB-A per STH and PCGH.7Reviewservethehome.com/minisforum-ms-a2-review-an-almost-perfect-amd-ryzen-intel-10gbe-homelab-systemRead 13 October 2026Page 1: front has a power button, a headset jack, two USB 3.2 Gen1 ports and a USB 2.0 port.

Rear portsiPhysical rear connectors, including motherboard and discrete-GPU outputs. Source notes identify disabled onboard video ports and any incomplete GPU output evidence. A video input, such as HDMI in on an all-in-one, is Other. AC power input is a mains inlet, such as C14, for a built-in power supply. DC in is for an external adapter.

AApple Mac Studio (M3 Ultra, 2025)

Type	Version	Count	Max stated link rate (Gbps)	Thunderbolt or USB4	DP Alt Mode
USB-C	Thunderbolt 5 / USB4	4	120	Thunderbolt 5	Yes
USB-A	USB 3	2	5	Not available	Not available
HDMI	HDMI 2.1	1	Not available	Not available	Not available
Ethernet (RJ45)	10Gb Ethernet	1	10	Not available	Not available
3.5 mm audio	Not available	1	Not available	Not available	Not 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.

BMINISFORUM MS-A2 (Ryzen 9 9955HX, 64GB)

Type	Version	Count	Max stated link rate (Gbps)	DP Alt Mode	Connected to
USB-C	USB 3.2 Gen 2, DisplayPort 2.0 Alt Mode	2	10	Yes	Motherboard
USB-A	USB 3.2 Gen 2	1	10	Not available	Motherboard
USB-A	USB 3.2 Gen 1	1	5	Not available	Motherboard
HDMI	2.1	1	Not available	Not available	Motherboard
Ethernet (RJ45)	2.5GbE	2	2.5	Not available	Motherboard
Other	SFP+ 10GbE	2	10	Not available	Motherboard
DC in	19V DC	1	Not available	Not available	Not available

Source1Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026Back I/O: two USB-C (USB 3.2 Gen2 10Gbps, Alt DP2.0), HDMI 2.1, two 2.5Gb LAN (Realtek RTL8125 and Intel I226-V), two 10G SFP+ (Intel X710), one USB 3.2 Gen2 (10Gbps) and one USB 3.2 Gen1 (5Gbps). STH says the two extra USB ports sit on the left side and are USB-A, and that the Type-C ports are not USB4 or Thunderbolt. The DC jack has no stated source.7Reviewservethehome.com/minisforum-ms-a2-review-an-almost-perfect-amd-ryzen-intel-10gbe-homelab-systemRead 13 October 2026Page 1: HDMI and two USB Type-C ports in alt DP mode that are USB 3.2 Gen2 10Gbps, not USB4 and not Thunderbolt. Two SFP+ ports through an Intel X710 and two 2.5GbE ports (Intel i226-V and Realtek RTL8125). Two more USB 3.2 ports on the left side, one 10Gbps and one 5Gbps. Measured idle power and noise are not stored because the review gives ranges and changing test configurations.

User-facing USB portsiPhysical USB-A and USB-C connectors on the accessible front, top, side or bottom panel.

2=CalculatedFrom User-facing ports

3=CalculatedFrom User-facing ports

User-facing USB-C portsiPhysical USB-C connectors on the accessible front, top, side or bottom panel, including Thunderbolt and USB4 sockets.

2=CalculatedFrom User-facing ports

0=CalculatedFrom User-facing ports

Rear USB ports

6=CalculatedFrom Rear ports

4=CalculatedFrom Rear ports

ThunderboltiThunderbolt documented in the rear-port table. Front-panel-only Thunderbolt is not covered by this derived field.

Yes=CalculatedFrom Rear ports

Not available

Ethernet speed

10Gbps=CalculatedFrom Rear ports

2.5Gbps=CalculatedFrom Rear ports

Discrete GPU output portsiCounts rear connectors explicitly attributed to the discrete graphics card. A partial rear-port table cannot establish the card's complete output count.

Not available

Not available

Wireless

5 of 6 differ

Wi-Fi

Wi-Fi 6E1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026

Wi-Fi 6E1Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026Wireless Connectivity: Wi-Fi 6E.

Wi-Fi bandsiBands explicitly supported by the installed radio and product region. Do not infer 6GHz use solely from a Wi-Fi version.

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.

Not available

Wi-Fi module

Not available

MediaTek RZ6167Reviewservethehome.com/minisforum-ms-a2-review-an-almost-perfect-amd-ryzen-intel-10gbe-homelab-systemRead 13 October 2026Page 2: the wireless card is the MediaTek RZ616 Wi-Fi 6E and Bluetooth solution. The review did not state the Bluetooth version.

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.

Not available

Bluetooth

5.31Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026

5.21Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026Specification table: Bluetooth 5.2. The headline bullets on the same page say BT 5.3. PCGH and other coverage state Bluetooth 5.2, so 5.2 is stored.4Press articlepcgameshardware.de/Gaming-PC-Hardware-217554/News/Minisforum-MS-A2-Ryzen-9-9955HX-1471487Read 13 October 2026Article lists Wi-Fi 6E and Bluetooth 5.2 for the MS-A2.

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.

Intel X710 (SFP+ 10GbE), Intel I226-V and Realtek RTL8125 (2.5GbE)1Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026Back I/O lists Realtek RTL8125 and Intel I226-V for the 2.5Gb ports and Intel X710 for the SFP+ ports.

Camera and audio

3 of 5 differ

WebcamiPublished built-in camera description and resolution. Keep sensor megapixels, video resolution and named camera features distinct in the source note. External bundled cameras do not qualify.

Not available

Not available

Built-in speaker driversiPhysical built-in acoustic drivers, including separate tweeters and woofers. Audio channels, system beepers and external bundled speakers do not count. Do not infer driver count from speaker assemblies.

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.

Not available

Total speaker poweriManufacturer stated combined output of the built-in speakers. Preserve power basis in source notes. PSU ratings and external speaker output do not qualify.

Not available

Not available

MicrophonesiPhysical built-in microphones. Beamforming channels and microphone modes do not count.

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.

Not available

Audio featuresiPublished built-in audio capabilities and their required software or accessories. Do not infer hardware from an audio brand name.

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

Not available

Lighting

None of 4 known

RGB lighting

Not available

Not available

Lit parts

Not available

Not available

Lighting standardiNamed physical RGB control or connector standard. ARGB lighting alone does not prove a 5V header or a standard connector.

Not available

Not available

Lighting software

Not available

Not available

Software

2 of 3 differ

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.

Windows 111Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026Specification: OS Windows 11. The edition is not stated. Barebone variants ship without an OS.

OS family

macOS1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026

Windows1Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026Windows 11 is the listed OS for configured variants.

Control software

Not available

Not available

Upgradeability

1 of 4 differ

Proprietary partsiParts or interfaces the maker or teardown identifies as requiring nonstandard replacements. Do not infer from a brand label alone.

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.

Not available

Max graphics card length

Not available

Not available

Max CPU cooler height

Not available

Not available

Warranty kept after upgradeiWhether the maker keeps the warranty after a user upgrade under the stated terms and market. Damage exclusions alone do not mean all warranty is void.

Not available

Not available

Measured performance

None of 8 known

Cinebench 2024 single-coreiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Cinebench 2024 multi-coreiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Geekbench single-coreiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Geekbench multi-coreiMeasured by a reviewer, not claimed by the maker

Not available

Not available

3DMark Time Spy graphicsiMeasured by a reviewer, not claimed by the maker

Not available

Not available

3DMark Steel NomadiMeasured by a reviewer, not claimed by the maker

Not available

Not available

SSD sequential read (measured)iReviewer's sequential read test. A file-copy rate or maker's SSD rating is not a sequential read measurement. Test method belongs in the source note.

Not available

Not available

Game frame ratesiReviewer measurements for this CPU, GPU, memory, storage and cooling configuration. Resolution, preset, ray tracing, upscaling and frame generation conditions belong in rows or source notes.

Not available

Not available

Measured noise and temperature

None of 6 known

Fan noise per loadiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Highest measured fan noiseiHighest measured row in fan_noise_measured, not a theoretical maximum. Compare only at the same distance and test conditions.

Not available

Not available

Measured fan noise at idleiHighest documented idle row in fan_noise_measured. Distance and ambient noise floor belong in the source note.

Not available

Not available

CPU temperature in stress testiCPU temperature measured during the named sustained load. Source notes distinguish gaming loops from synthetic CPU or combined stress tests.

Not available

Not available

CPU clock in stress testiSustained all-core CPU clock under the stated test. A P-core-only average is not a whole-CPU all-core clock.

Not available

Not available

GPU temperature while gamingiMeasured by a reviewer, not claimed by the maker

Not available

Not available

Measured power

None of 6 known

Power draw idleiMeasured system power at the wall at idle. Certification or maker claims are not reviewer measurements.

Not available

Not available

Power draw gamingiMeasured system power at the wall during the stated game and settings.

Not available

Not available

Power draw maxiMeasured power at the wall during combined CPU and GPU stress. A PSU rating or game-only load is not this value.

Not available

Not available

Power draw sleep or offiMeasured power at the wall with the stated sleep or off mode. These modes must be identified in the source note.

Not available

Not available

Sustained CPU power (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

GPU power while gaming (measured)iMeasured by a reviewer, not claimed by the maker

Not available

Not available

Certifications

4 of 5 differ

ENERGY STARiExplicit certification status for the model or defined configuration scope. Absence from a search result is not proof of false.

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.

Not available

EPEATiPublished registration level. Missing registration evidence is not proof of none.

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).

Not available

Copilot+ PC

Not available

Not available

Typical annual energy consumption (TEC)iStandardized TEC from the named ENERGY STAR or EU product-information record. It is not a prediction of an individual user's annual energy use.

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.

Not available

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.

Not available

In the box

1 of 2 differ

In the boxiItems supplied with this exact configuration. Optional accessories and configurator add-ons are not guaranteed included.

Mac Studio, Power cord1Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026Mac Studio and a power cord.

Not available

Included extrasiExtras confirmed supplied with the exact configuration. Optional bundles are excluded.

Not available

Not available

Warranty

2 of 2 differ

Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

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.

2years3Maker product pagestore.minisforum.com/pages/policiesRead 13 October 2026US Official Store policy: PCs and workstations carry a 24 month warranty for orders placed on or after August 1, 2026. Orders from March 9 to July 31, 2026 got 36 months. Purchases through Amazon and other resellers are not covered by this policy. The stored value is the standard period.

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.

Mail-in3Maker product pagestore.minisforum.com/pages/policiesRead 13 October 2026US customers may send eligible products to the US service center for repair after contacting Minisforum. This is mail-in service. No onsite service is promised.

Links

Not compared

Product page

support.apple.com/en-us/1222111Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026

store.minisforum.com/products/minisforum-ms-a21Maker product pagestore.minisforum.com/products/minisforum-ms-a2Read 13 October 2026

Spec sheet

support.apple.com/en-us/1222111Maker product pagesupport.apple.com/en-us/122211Read 10 October 2026

Not available

Manual

support.apple.com/guide/mac-studio/take-a-tour-of-mac-studio-apd0fd69f4be/2025/mac/1510Owner's manualsupport.apple.com/guide/mac-studio/take-a-tour-of-mac-studio-apd0fd69f4be/2025/mac/15Read 10 October 2026Mac Studio User Guide, 2025 version, Take a tour page.

Not available

EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

Not available

Not available

Both are also in the API. Back to all desktop PCs.