MSI Cubi NUC AI+ 3MG

The MSI Cubi NUC AI+ 3MG supports up to 96GB of DDR5 RAM, putting it in the 98th percentile for memory capacity among all desktops we've tested. CPU performance is average, integrated graphics are terrible for gaming, and you'll need to bring your own SSD and OS. It's a specialized tool for memory-intensive workloads and AI tinkering, not a general-purpose PC.

The Core Ultra 7 355 sits right around the 49th percentile for CPU performance, which means it's perfectly average for a modern mini PC. You won't be breaking any render records, but for business apps, code compilation, and running local AI models on the NPU, it's more than capable. The integrated Intel Graphics are similarly middle-of-the-pack, so don't expect to do any gaming on this thing. Our gaming score of 13.3 out of 100 tells you everything you need to know there. The standout spec is the dual SODIMM slots that can take up to 96GB of RAM. That's workstation-class memory in a box the size of a sandwich, putting it ahead of nearly every other mini PC we've tested for raw memory capacity.

Stacked against the Apple Mac mini M4, the Cubi loses badly on GPU power and single-core speed but wins on raw RAM capacity and networking flexibility. The Mac mini is a better all-rounder for most people. Compared to the Lenovo Legion Tower 5i or HP OMEN, those are full-sized gaming towers that will run circles around the Cubi in any graphics task, but they're also ten times the size and can't be mounted behind a monitor. The Cubi's real competition is other high-end mini PCs, and its 96GB RAM ceiling is a unique selling point that none of its direct rivals can match right now.

Pricing is all over the place for this barebone unit, with a $276 spread between vendors from $689 to $965. You'll need to factor in the cost of RAM, an M.2 SSD, and a Windows license, which can easily add another $300 to $400 to your total. At the lower end of that price range, it's a compelling platform for a memory-hungry home lab or AI tinkering box. At the high end, you're creeping into territory where a Mac mini M4 with a real GPU and a complete out-of-box experience starts to look like a much smarter buy.

The MSI Cubi NUC AI+ 3MG is a tiny desktop with one massive party trick: it supports up to 96GB of DDR5 RAM, landing in the 98th percentile for memory capacity in our database. That's an absurd amount of RAM for a box that weighs half a kilogram and can hide behind a monitor. The Intel Core Ultra 7 355 chip inside is a solid mid-pack performer, but the real story here is the AI-focused NPU and the connectivity suite that includes Wi-Fi 7 and dual 2.5GbE LAN. It's clearly built for a very specific kind of user, and for everyone else, it's a bit of a head-scratcher.

Gamers should run, not walk, away from this machine. A 13.3 out of 100 gaming score puts it firmly in "one of the worst we've seen" territory for graphics performance. Anyone looking for a simple plug-and-play office PC should also think twice. The barebone nature means you're building it yourself, and the reliability score is a disappointing 38th percentile. If you just need a basic desktop for web browsing and email, a cheaper, complete mini PC with an OS pre-installed will save you money and headaches.

The MSI Cubi NUC AI+ 3MG is a niche machine that makes a lot of sense if you need a tiny, network-rich box with an almost silly amount of RAM for virtual machines, local AI inference, or memory-intensive development work. For general office use or media consumption, you're paying a premium for features you'll never touch. The lack of included storage and OS means it's a project, not a product you unbox and start using. If you know exactly why you need 96GB of RAM in a mini PC, this is one of the best options out there. If you don't, you should probably look elsewhere.