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MINISFORUM UM790 Pro

MINISFORUMMini PC reference

MINISFORUM UM790 Pro

MINISFORUM UM790 Pro uses AMD Ryzen 9 7940HS with Radeon 780M. A flexible mini desktop for a multi-monitor workspace, with two USB4 connections and replaceable memory and storage. Its Radeon 780M shares system RAM; benchmarks should match the selected RAM configuration and power mode.

Processor
AMD Ryzen 9 7940HS
Graphics
Radeon 780M
Memory
64 GB
Storage
1 TB
Configuration being compared64 GB RAM · 1 TB SSDNew
US stores · USD

Prices across stores

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View price history

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RetailerAvailabilityListed priceLast checkedRetailer website
Affiliate link
Out of stock$1,223View at MINISFORUM
Sold by MINISFORUM OfficialAffiliate link
Not confirmedSee at storeCheck failedView at Newegg

Availability reflects the latest store check. Shipping, tax, coupons and checkout totals are not included; confirm them at the store.

Specifications

Processor, graphics and installed memory/storage describe the selected configuration. Expansion limits and connectivity describe the model; optional hardware is identified separately. References are collected in About this data below.

Processor
AMD Ryzen 9 7940HS
Graphics
Radeon 780M
Memory
64 GB
Storage
1 TB
Ports & displays
Four USB-A 3.2 Gen 2, two USB4 Type-C, two HDMI 2.1 and a 3.5 mm headset jack.
Ethernet, Wi-Fi & Bluetooth
One 2.5GbE RJ45, Wi-Fi 6E and Bluetooth. The manufacturer overview lists Bluetooth 5.2 while its specification table lists 5.3; the exact version remains unconfirmed.
RAM & storage upgrades
Two DDR5-5600 SO-DIMM slots, manufacturer-listed up to 64 GB, and two M.2 2280 PCIe 4.0 NVMe SSD slots. A maximum validated SSD capacity and compatibility with SSDs carrying their own heatsink are not established by the reviewed exact-model sources.
Power supply & power limits
120 W external adapter; the manufacturer specification lists 19 V DC input. Adapter output capacity is not measured wall consumption.
Dimensions & weight
130 × 126 × 52.3 mm.

Video

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What owners say

The recurring complaint is stability: random reboots and black screens that owners trace to the CPU's C6 power state and fix by disabling C6 or PSS in the BIOS. Some found BIOS 1.09 worse than 1.07, others report units that never miss a beat. Wi-Fi is weak because the antennas sit against the base: about 245 Mb/s at five metres where a laptop with the same AX210 card manages 1 Gb/s. On the plus side it is quiet for its class, 31.7 dB(A) idle and 35.2 flat out, and the BIOS is clear. Balanced at 54 W and Performance at 65 W give the same frame rates, so Balanced is the one to use, and BIOS 1.07 raises the iGPU allocation to 8 GB. Buy 32 GB if you want to game, because 16 GB starves the iGPU; the local-LLM crowd buys it barebone and fits 64 GB for MoE models. The CPU is soldered, there is no DisplayPort, the stock Kingston SSD is unremarkable, and the 2.5GbE port has negotiated down to 1 GbE with some cables.

For whom
A compact, inexpensive barebone with two USB4 ports that accept an eGPU; one reviewer went from 48 to 98 FPS in Cyberpunk 2077 with an external 4070 Ti.
Not for
Gaming above 1080p medium on the integrated GPU alone, or anyone who expects to upgrade the CPU later.

Our own summary of 7 published sources, reviewed Sep 17, 2026. We have not tested this Mini PC ourselves; the sources are listed under About this data.

Performance

2 sourced resultsIOPS

Same block size, read/write ratio, queue depth, drives and cache settings.

Externally reported measurements. MiniPC.guru has not independently reproduced these tests.

123,517.6 IOPSCommunity benchmark

Minisforum UM790 Pro

By Leonard Lin (lhl) · GitHub wiki lhl/linuxlaptops

Source published
Oct 24, 2023
Test performed
Aug 17, 2023
Added to MiniPC.guru
Sep 17, 2026
Source reviewed
Sep 17, 2026
Tested hardware
AMD Ryzen 9 7940HS · AMD Radeon 780M · 64 GB, 2x Kingston CBD56S46BD8HA-32 32 GB DDR5-5600, dual channel · Kingston OM8PGP41024Q-A0 1 TB NVMe PCIe 4.0 x4, firmware ELFK0S.6, the drive shipped with the unit
Software / version / OS
CrystalDiskMark · 8.0.4 x64 · Windows 11 Pro build 22621
Power profile
not applicable: NVMe random I/O does not depend on the system power profile, and the author reports identical results in the 54 W and 65 W BIOS modes
Test conditions
Random 4 KiB, queue depth 32, 1 thread, read: 505.928 MB/s at 250.86 us. Default profile, 1 GiB x5, 5 s measure and 5 s interval, administrator mode, C: 11 % full

Editorial review checks the source and documentation; it does not certify the measurement or mean we tested the device ourselves.

179,712.4 IOPSCommunity benchmark

Minisforum UM790 Pro

By Leonard Lin (lhl) · GitHub wiki lhl/linuxlaptops

Source published
Oct 24, 2023
Test performed
Aug 17, 2023
Added to MiniPC.guru
Sep 17, 2026
Source reviewed
Sep 17, 2026
Tested hardware
AMD Ryzen 9 7940HS · AMD Radeon 780M · 64 GB, 2x Kingston CBD56S46BD8HA-32 32 GB DDR5-5600, dual channel · Kingston OM8PGP41024Q-A0 1 TB NVMe PCIe 4.0 x4, firmware ELFK0S.6, the drive shipped with the unit
Software / version / OS
CrystalDiskMark · 8.0.4 x64 · Windows 11 Pro build 22621
Power profile
not applicable: NVMe random I/O does not depend on the system power profile, and the author reports identical results in the 54 W and 65 W BIOS modes
Test conditions
Random 4 KiB, queue depth 32, 1 thread, write: 736.102 MB/s at 177.62 us. Default profile, 1 GiB x5, 5 s measure and 5 s interval

Editorial review checks the source and documentation; it does not certify the measurement or mean we tested the device ourselves.

Price history

MINISFORUM UM790 Pro · 64 GB RAM · 1 TB SSD

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New condition · US stores · USD · Selected configuration only. Prices exclude shipping and tax. Each price stays on the chart until that listing's next check, for at most 36 hours, the same window the store prices use. Out-of-stock, failed and missing checks leave gaps.

About this data10 references

Specs and any benchmark results come from the sources below. We haven't tested this Mini PC ourselves.

Notes

  • A maximum validated SSD capacity is not stated in the reviewed exact-model specification.
  • Bluetooth 5.2/5.3 conflicts within the manufacturer page.
  • The earlier SSD-heatsink FAQ assertion could not be located in the reviewed manufacturer page and is excluded.

Sources

  1. MINISFORUM UM790 Pro — manufacturer specifications ↗
    • Manufacturer / specification source
    • Ports & displays · Reviewed Sep 15, 2026
    • Ethernet, Wi-Fi & Bluetooth · Reviewed Sep 15, 2026
    • RAM & storage upgrades · Reviewed Sep 15, 2026
    • Power supply & power limits · Reviewed Sep 15, 2026
    • Dimensions & weight · Reviewed Sep 15, 2026
  2. Selected configuration ↗
    • Selected configuration
  3. MINISFORUM Japan — UM790 Pro chassis and power analysis ↗
    • Power supply & power limits · Reviewed Sep 15, 2026
  4. Minisforum UM790 Pro ↗
    • External benchmark · Reviewed Sep 17, 2026
    • Owner review source · Reviewed Sep 17, 2026
  5. Minisforum Venus Series UM790 Pro review: Better than its competitors thanks to an AMD Ryzen 9 7940HS and a Radeon 780M ↗
    • Owner review source · Reviewed Sep 17, 2026
  6. MINISFORUM UM790 Pro Mini-PC with AMD Ryzen 9 7940HS APU tested ↗
    • Owner review source · Reviewed Sep 17, 2026
  7. Minisforum Venus UM790 Pro review ↗
    • Owner review source · Reviewed Sep 17, 2026
  8. Minisforum UM790 Pro review: big upgrade to a small AMD system ↗
    • Owner review source · Reviewed Sep 17, 2026
  9. Minisforum UM790 Pro: a long-term look ↗
    • Owner review source · Reviewed Sep 17, 2026
  10. Minisforum UM790 Pro review ↗
    • Owner review source · Reviewed Sep 17, 2026

Related models

Models with related processors, graphics or use cases. Check each model’s specifications and configurations before comparing.

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