Minisforum UM890 Pro Review (2026)

Minisforum UM890 Pro Review (2026)

By StackSutra Editorial 6 min read Updated research-based

Quick Answer

The Bottom Line: Minisforum UM890 Pro

The Minisforum UM890 Pro is a high-end mini PC that stands out for its Ryzen 9 8945HS performance, strong Radeon 780M integrated graphics, and unusually rich connectivity, including dual USB4, dual 2.5GbE, and OCuLink. It is a compelling choice for power users, but its higher cost and louder behavior under load keep it from being the easiest recommendation for everyone.

The Minisforum UM890 Pro is a compact high-performance mini PC built around AMD’s Ryzen 9 8945HS, aimed at buyers who want desktop-class CPU speed, solid integrated graphics, and unusually rich connectivity in a very small box. The main question is whether its strong specs and upgrade options are worth the higher cost and the cooling/noise trade-offs that reviewers note under sustained load.

Overview

The UM890 Pro sits near the top of Minisforum’s AMD-based mini PC range as a performance-first system rather than a budget compact. Independent reviews consistently place it in the same conversation as other premium Ryzen 9 mini PCs, while Minisforum’s own materials emphasize its Ryzen 9 8945HS, Radeon 780M graphics, dual USB4, dual 2.5GbE, and OCuLink support for external GPUs. That makes it a very different proposition from thin-and-light office mini PCs: it is designed for users who need more compute, better expansion, and more display/network flexibility than the average small desktop.

Where it stands out is breadth. The platform supports dual DDR5 SO-DIMMs, dual M.2 PCIe 4.0 SSDs, and a dense front-and-back port layout that reviewers repeatedly call unusually generous for the size. In 2025 and 2026 roundups, that combination is what keeps the UM890 Pro relevant: it is not the newest chip in the market, but it remains a well-rounded small workstation for demanding everyday and professional workloads.

Strengths

CPU performance

Reviewers are broadly aligned that the Ryzen 9 8945HS gives the UM890 Pro excellent all-round CPU performance for a mini PC, especially in sustained productivity, coding, light content creation, and multitasking. Published benchmark coverage shows it performing strongly in multi-core tests, with one review reporting Cinebench R23 multi-core around 15,500 and another reporting Geekbench multi-core around 13,127. The practical takeaway is that this is not just a “fast for a mini PC” system; it is fast enough to feel workstation-like in many everyday and pro workloads.

Integrated graphics and expandability

The Radeon 780M iGPU is the other headline strength. Across reviews, it is presented as one of the strongest integrated GPUs in the mini PC class, suitable for light to moderate gaming, media work, and GPU-accelerated everyday use without a discrete card. Minisforum’s OCuLink implementation is also a major differentiator because it opens the door to an external GPU for buyers who eventually outgrow the iGPU. That keeps the UM890 Pro more future-proof than many mini PCs that rely only on soldered-in graphics and standard USB-C video output.

Ports and networking

Connectivity is a clear strength and one of the reasons reviewers recommend the machine to enthusiasts and professionals. Sources consistently note dual USB4, HDMI, DisplayPort, dual 2.5GbE, Wi‑Fi 6E, and Bluetooth 5.3, plus a front panel that is more useful than the average mini PC’s. For multi-monitor desks, homelabs, and network-heavy workflows, that is a meaningful advantage over many similarly sized competitors.

Storage and memory flexibility

Minisforum and independent reviewers agree that the UM890 Pro is unusually upgradeable for its class, with dual-channel DDR5 SO-DIMM slots and two M.2 2280 PCIe 4.0 SSD slots. Published support claims go up to 96GB of RAM and up to 8TB of total SSD capacity, which makes it attractive to buyers who want one compact system that can grow over time. That flexibility is a strong part of its value proposition even if the baseline price is not low.

Trade-offs

Cooling and acoustics

The most common criticism is that the UM890 Pro can get loud and warm when pushed hard. Review coverage describes performance mode as noisier than many buyers will want for a living-room or always-on quiet office setup, and sustained load results include CPU temperatures around the high 80s Celsius in one published test set. That does not make the cooling inadequate, but it does mean the system is tuned more for performance headroom than silent operation.

Value is good, but not cheap

The UM890 Pro is often described as well-equipped rather than inexpensive. That matters because buyers are not just paying for the chip; they are paying for the premium port layout, dual-networking, OCuLink, and higher-tier mini PC positioning. If you only need a compact office PC or media box, this is likely overkill. If your workload will not use the extra connectivity or upgrade room, cheaper Ryzen mini PCs will feel more rational.

Integrated graphics still have limits

Although the Radeon 780M is strong for integrated graphics, it is still integrated graphics. Reviewers consistently note that the machine has no dedicated GPU, so heavier gaming, serious 3D work, and more demanding creative workloads will eventually hit the ceiling of the iGPU. OCuLink helps, but only if you are willing to add an external GPU setup, which raises cost and complexity.

Competitors can be simpler

Compared with some GEEKOM systems and the Apple Mac mini, the UM890 Pro’s appeal is less about elegance and more about raw flexibility. The Mac mini is typically quieter and tighter as a desktop appliance, while some GEEKOM models are pitched as polished, easy-to-live-with office machines. The Minisforum wins on expansion and wired connectivity, but that also makes it feel more enthusiast-oriented than minimalist.

Specifications

Specification Value
Processor AMD Ryzen 9 8945HS, 8 cores / 16 threads
Integrated graphics AMD Radeon 780M
Memory Dual-channel DDR5 SO-DIMM, up to 5600MHz
Maximum memory Up to 96GB
Storage 2x M.2 2280 PCIe 4.0 SSD slots
Maximum storage Up to 8TB
Video outputs HDMI 2.1, DisplayPort 1.4, 2x USB4
Networking 2x 2.5GbE, Wi‑Fi 6E, Bluetooth 5.3
Expansion OCuLink support
Power modes Balanced 60W, Performance up to 70W

Who Should Buy It

Buy the UM890 Pro if you want a small but serious Windows mini PC for development, virtualization, multitasking, photo work, or a dense home office where dual Ethernet and lots of display options matter. It is also a strong fit if you value the ability to add RAM, add two fast SSDs, and potentially attach an eGPU later.

Do not buy it if your priority is quiet simplicity, low cost, or casual use. For a more polished all-rounder, many buyers will be happier with a GEEKOM mini PC; for a cleaner, quieter desktop experience with excellent single-system efficiency, the Apple Mac mini is the better-known reference point. If you need only light office work, the UM890 Pro is more machine than you are likely to use.

Sources

Alternatives Worth Considering

Beelink SER8 Cleaner-value rival

Beelink SER8

Choose the SER8 if you want a similarly capable Ryzen 7/8000-series mini PC with a reputation for a more refined everyday desktop experience and less emphasis on enthusiast expansion than Minisforum’s OCuLink-heavy approach.

It is the more straightforward alternative if you do not need the UM890 Pro’s extra connectivity depth.

Ryzen 7 8845HS Radeon 780M USB4 Dual-channel DDR5 M.2 SSD expansion
Where to buy: Best Buy → Walmart →

Read our Beelink SER8 review →

GEEKOM A8 Polished compact choice

GEEKOM A8

Choose a GEEKOM A8 if you want a premium-feeling mini PC with a strong reputation for everyday polish and simpler setup, while still getting AMD Ryzen-class performance and integrated graphics suited to productivity and light creative work.

It is the better pick if you care more about a refined package than niche expansion features.

Ryzen 7 8845HS Radeon 780M USB4 Wi‑Fi 6E Dual M.2 support
Where to buy: Best Buy → Walmart →
Apple Mac mini Quiet desktop alternative

Apple Mac mini

Choose the Mac mini if you want a quieter, more streamlined desktop appliance and you are already comfortable in Apple’s ecosystem; it is usually the cleaner fit for general productivity, media, and creator workflows that do not need Windows-first hardware expansion.

It offers a more polished, lower-friction desktop experience than the UM890 Pro.

Apple silicon macOS Thunderbolt / USB‑C expansion HDMI Wi‑Fi / Bluetooth
Where to buy: Best Buy → Walmart →

Read our Apple Mac mini review →

Editorial Verdict

The Verdict

The UM890 Pro is best for buyers who want maximum flexibility from a very small Windows PC: strong CPU performance, unusually broad I/O, and upgrade paths that make sense for demanding work. Its key trade-off is that the performance-first tuning brings higher cost and less-than-silent cooling under load.

Frequently Asked Questions

  • It is good for light to moderate gaming thanks to the Radeon 780M, but it is still an integrated-GPU system. Reviewers consistently treat it as a capable casual gaming machine rather than a replacement for a discrete-GPU desktop.
  • Yes. Minisforum’s OCuLink support is one of its biggest advantages and is specifically highlighted by reviewers as a path to external-GPU expansion, though it adds cost and setup complexity.
  • It is more upgradeable than many mini PCs, with dual DDR5 SO-DIMM memory slots and two M.2 PCIe 4.0 SSD slots. Published support claims go up to 96GB of RAM and 8TB of storage.
  • It is reasonably restrained in lighter use, but multiple reviews note that fan noise rises in performance mode and under sustained load. Buyers sensitive to acoustics should factor that in.
  • Skip it if you mainly want a cheap office PC, a silent living-room box, or a minimal desktop. In those cases, a simpler Beelink or GEEKOM mini PC, or an Apple Mac mini, is often the more sensible choice.