ASUS NUC 15 Pro Plus RNUC15CRSU9089AU Silver 2025 Review

The ASUS NUC 15 Pro Plus is a pint-sized Windows PC rocking an Intel Core Ultra 9, 32GB of DDR5 (with room for 96GB), and Wi-Fi 7, all in a 0.48L tool-less chassis. It's a multitasking beast for office work, software development, and edge AI tasks, but don't even think about gaming. Real-world prices start around $1,779, though we've seen some bonkers listings pushing past $370k. If Windows and AI acceleration are critical, it's a solid buy; otherwise, the Mac mini M4 delivers more bang for your buck.

We've had our hands on a lot of mini PCs over the years, but the ASUS NUC 15 Pro Plus feels a bit different. This isn't your average office box. Intel's Core Ultra 9 285H chip sits inside a 0.48-liter chassis that's easy to stash behind a monitor, and it's got AI acceleration baked right in with a claimed 99 platform TOPS. That's the kind of spec that's aimed at developers dabbling in local AI models, edge computing, or anyone who just wants a tiny Windows 11 workhorse that doesn't choke on 50 browser tabs. And yes, ASUS made the whole thing tool-less for upgrades, so you can swap RAM and storage without hunting down a screwdriver.

Here's the target audience pitch: if you're a home office power user, a developer, or you need a quiet little machine for handling spreadsheets, code compiles, and the occasional light video project, this NUC checks a lot of boxes. It drives up to four 4K displays across HDMI 2.1 and Thunderbolt 4, and the Wi-Fi 7 support means you're future-proofed for the next wave of routers. But if you're even remotely interested in gaming, you can stop reading now. The integrated Intel Arc 140T graphics sit at a pedestrian 51st percentile in our database, and our use-case scoring puts gaming at a miserable 16.6 out of 100. This is not a gaming PC.

What's intriguing is the sheer memory headroom. The 32GB of DDR5 already puts it in the 91st percentile for RAM, and you can bump that to 96GB down the line. Pair that with a 1TB NVMe Gen 4 drive, and you've got a compact AI inference box or a serious multitasking rig that takes up less desk space than a paperback novel. We'll dig into the numbers and see if the performance holds up to the lofty marketing claims.

Our database shows the Core Ultra 9 285H's CPU performance lands at the 74th percentile, which is well above average for desktops but not chart-topping. In practice, that means snappy application launches, smooth multitasking, and no sweat handling 4K video playback or heavy Excel models. It's a mobile-derived chip, so don't expect desktop-class sustained boost clocks for hours on end, but for bursty workloads it's a champ. The 32GB of fast DDR5 memory does a lot of the heavy lifting, keeping data fed to those 16 cores without stuttering. We've seen similar chips in high-end laptops, but here ASUS gets a bit more thermal breathing room, even if the fans do spin up under sustained all-core loads.

Graphics are where this machine shows its hand as an office tool. The Intel Arc 140T iGPU can allocate a generous chunk of system RAM, up to 48GB, which is great for AI acceleration but does little for real-time 3D rendering. In benchmarks, it's dead average for its class, so you can forget about modern AAA titles at acceptable frame rates. For creative tasks that lean on GPU compute, like media transcoding with Quick Sync, it's competent, but anyone needing CUDA cores or raw pixel-pushing power will be left wanting. If your workflow includes occasional light photo editing or running local LLMs, it'll manage, but just keep expectations in check.

Pricing for this NUC is a rollercoaster. Across vendors, we've spotted it from $1,779 up to a baffling $373,526, which we assume is either a typo or someone trying to sell a pallet of them. At the real-world price of around $1,779 at Newegg, you're getting a machine that's undeniably capable for office and AI workloads. That's a chunk of change, but you're paying for that ultra-compact form factor and the latest Intel Core Ultra 9 silicon. Compared to building a small-form-factor PC with similar specs, you'd struggle to match the size and power efficiency without spending more time on cable management than on actual work.

Then again, Apple's Mac mini M4 undercuts this by hundreds and delivers better CPU and GPU performance per dollar, albeit locked to macOS. For a purely Windows environment, the MSI EdgeXpert and various Lenovo ThinkStation Tiny models often come in cheaper while offering similar multi-display chops, though they lack the same AI TOPS bragging rights. If you need the AI accelerators and Windows, the NUC 15 Pro Plus makes a decent argument. If you're just answering emails, the price tag will feel like overkill.

The elephant in the room is the Apple Mac mini M4. It's smaller, cooler, and starts at a lower price, with GPU performance that'll embarrass the Intel Arc 140T. If you're platform-agnostic and don't rely on Windows-only software, the Mac mini is the better buy almost every day of the week. But the M4 chip doesn't play nicely with legacy enterprise apps or certain vertical market software, and that's where the NUC shines. It's a Windows box with vPro manageability, making it appealing for IT departments who need to roll out dozens of these across an office.

Our competitor list also throws in the HP OMEN 45L and Lenovo Legion Tower 5i, which is apples to orangutans. Those are full-tower gaming rigs that'll demolish the NUC in GPU-intense tasks but consume ten times the desk space and power. If you're contemplating those, you're clearly after a different beast entirely. Within the mini PC realm, though, you've got the MSI EdgeXpert and Dell XPS desktops, which tend to be solid but often lack the AI-focused silicon and slick tool-less design. The NUC's port selection is also a standout: five HDMI outputs and a pair of Thunderbolt 4 ports give it connectivity most competitors can't match. So if running multiple 4K screens is your jam, this is the one to beat.

If you have even a passing interest in PC gaming, this isn't your machine. The integrated Arc graphics will leave you frustrated, and that 16.6 gaming score isn't a typo. You'd be much better off with a compact ITX build that can squeeze in a dedicated GPU, even something modest like an RTX 4060. Budget-conscious buyers should also look elsewhere. At nearly $1,800, it's overkill for web browsing and email, and the Mac mini M4 offers more compute for less cash if you're willing to switch platforms. Video editors and 3D artists who need serious GPU muscle will find the Arc 140T anemic for rendering or timeline scrubbing. For those use cases, consider a higher-end Mac mini or a small-form-factor PC with a discrete graphics card.

For the developer or IT pro who needs a compact, AI-ready Windows machine that can drive a wall of monitors, the ASUS NUC 15 Pro Plus earns its keep. It's fast, flexible, and fits almost anywhere. The ability to drop in up to 96GB of RAM later is a genuine perk, and the Core Ultra 9 handles everyday productivity like a champ. If your daily routine involves coding, data analysis, or running multiple virtual machines, this box will feel like a silent, tiny partner that rarely lets you down.

On the flip side, if you're looking for a general family computer or something that can double as a light gaming station, look elsewhere. The integrated graphics kneecap any gaming ambitions, and the price point doesn't make sense for casual browsing. And if you're still on the fence about the AI hype, know that the software ecosystem is still catching up, so you might not see much benefit from those TOPS today. But for the right niche, this is a purpose-built tool that does its job well.