ACEMAGIC AM18 (7640HS) vs GMKtec M6 Ultra vs MINISFORUM UM760 Plus

All three records specify Ryzen 5 7640HS. This shortlist helps distinguish a complete desktop purchase from a barebone build, and highlights the storage implications of adding an OCuLink device.

Display options
Reference columnDifferent from reference24 rows with known differences

Percentages compare volume and weight with the reference.

“—” means not listed or unresolved; 0 means none in a fully classified list. Blue marks a difference, not a winner.

Mini PC specifications. Blue cells differ from the reference column. Unknown values are not treated as absent. Percentage differences apply only to volume and weight.
Full specificationsFirst PC = reference
Options
ACEMAGIC

Options
GMKtec

Options
MINISFORUM

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Choose an exact store configuration in each column to compare included memory, storage and its price.

Snapshot price
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USD, before unverified coupons, tax and shipping. A starting price may be for a barebone system.

$409From $269.99 · bareboneDifferent from reference.From $623Different from reference.
Listed operating system
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Model-level claim. Barebone and software packages may differ; consult the selected configuration.

Windows 11Windows 11 Pro (configured systems; barebone has no OS)Different from reference.Windows 11 ProDifferent from reference.
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Manufacturer-listed processors and graphics. Model families may offer multiple processors.

Listed processor(s)AMD Ryzen 5 7640HSAMD Ryzen 5 7640HSAMD Ryzen 5 7640HS
Listed graphicsAMD Radeon™ 760M GraphicsAMD Radeon 760M Graphics, 8 Cores, up to 2600MHz, AMD RDNA 3 ArchitectureDifferent from reference.AMD Radeon 760MDifferent from reference.
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Listed options and upgrade limits are separate from the RAM included in a selected configuration.

Listed RAM options16 GB16 / 32 GBDifferent from reference.16 GB
Memory typeDDR5DDR5DDR5
Memory speed
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Units follow the captured source; MHz and MT/s are not silently substituted.

DDR5-5600——
Memory installationSO-DIMMSO-DIMMSO-DIMM
User-upgradeable RAMYesYesYes
Memory slots2 slots2 slots2 slots
Official maximum RAMup to 96GBup to 128GBDifferent from reference.—
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Storage capacity options, drive formats and expansion capabilities from the captured specification.

Listed storage options512 GB512 GB / 1 TBDifferent from reference.512 GB / 1 TBDifferent from reference.
Drive formatsM.2 2280M.2 2280Slot / configuration dependentM.2 2280Slot / configuration dependent
Storage interfacesNVMe / PCIe 3.0PCIe 3.0 / PCIe 4.0 ×4Slot / configuration dependentDifferent from reference.NVMe / PCIe 4.0 ×4Slot / configuration dependentDifferent from reference.
Storage slots
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Total listed slots, not the number left free in a chosen configuration.

two M.2 slots2 × M.2 2280 PCIe 4.0 ×4 SSD slotsSlot / configuration dependentDifferent from reference.2 × M.2 2280 NVMe SSD slotsSlot / configuration dependentDifferent from reference.
Official expansion limittwo M.2 slots, up to 4TB totalsupports up to 8TB per slotDifferent from reference.2 × M.2 2280 NVMe SSD slots (PCIe 4.0 x4, up to 4TB per slot)Different from reference.
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Port counts and rated link speeds are separate. An unlisted speed is unverified, not zero.

Listed Ethernet ports221Different from reference.
RJ45 ports221Different from reference.
1 GbE ports000
2.5 GbE ports221Different from reference.
5 GbE ports000
10 GbE ports000
25 GbE ports000
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Connector counts and protocol capabilities describe the same ports in different ways; do not add these rows together.

Listed USB-A ports444
Listed USB-C ports
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Connector shape alone does not establish data speed, video output or power delivery.

2—1Different from reference.
USB 2.0 ports
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USB 2.0: up to 480 Mbps.

21Different from reference.2
USB 5 Gbps ports
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USB 3.0 / USB 3.1 Gen 1 / USB 3.2 Gen 1 are grouped by their nominal 5 Gbps data rate.

000
USB 10 Gbps ports
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USB 3.1 Gen 2 / USB 3.2 Gen 2. Generic USB 3.1 or USB 3.2 labels without a generation are not assigned a speed.

23Different from reference.2
USB 20 Gbps ports
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Explicit USB 3.2 Gen 2×2 or 20 Gbps. USB4 is listed separately.

000
Listed USB4 ports111
USB4 listed maximum speed40 Gbps——
USB-C power input
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Whether a USB-C port can power the PC; direction and wattage must be explicitly stated.

——Listed
USB-C power output
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Power delivered from the PC to an external device.

Listed—Listed · 15 WDifferent from reference.
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Dedicated video connectors are separated from video carried over USB-C. Listed modes apply to the described port, not every screen simultaneously.

HDMI ports111
HDMI version / mode2.12.0Different from reference.2.1 FRLDifferent from reference.
DisplayPort connectors
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Physical DP outputs. DP Alt Mode inside a USB-C description is not an extra DP connector.

111
DisplayPort version2.0——
Video over USB-C1——
Listed display modesUSB video: 8K@60HzHDMI: 4K@60Hz; DP: 8K@60HzDifferent from reference.—
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Wireless standards and module names as listed by the manufacturer.

Wi-Fi standardWi-Fi 6Wi-Fi 6EDifferent from reference.Wi-Fi 6EDifferent from reference.
Bluetooth version5.25.25.2
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Additional expansion, audio and card-reader connections.

OCuLink1—1
Audio connections111
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Dimension 1 / 2 / 3 retain the manufacturer's published order where physical axes are unconfirmed.

Approx. box volume≈ 0.97 L≈ 0.78 LDifferent from reference.≈ 0.83 LDifferent from reference.
Dimension 1133.5 mm128.8 mmDifferent from reference.130 mmDifferent from reference.
Dimension 2132 mm127 mmDifferent from reference.126.5 mmDifferent from reference.
Dimension 355 mm47.8 mmDifferent from reference.50.4 mmDifferent from reference.
Weight—0.528 kg0.67 kg
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Measurements require a source, test configuration and power mode. Noise additionally requires microphone distance and ambient noise; load results include the workload.

No verified noise or wall-power measurements yet. Test conditions will appear alongside future results.

Model details

Read the numbers. Dimensions 1 / 2 / 3 follow the source order; width, depth and height axes are unconfirmed. Volume is calculated from the three dimensions. Optional percentages show differences in volume and weight. Price deltas are omitted because packages can differ.

Select a store configuration to see its included RAM, storage and snapshot price. Hardware capabilities remain model-level listings; check configuration notes. USB connector, speed and feature rows can describe the same ports. “—” means not listed or unresolved; 0 means none in a fully classified list.

BEFORE YOU CHOOSE

What to compare closely

This table starts with model specifications. Choose a configuration to compare included memory, storage and captured prices. Adding a PC keeps your selection in a shareable comparison.