ASUS NUC 15 Pro Slim RNUC15CRKU70000U Black 2025

A barebone mini PC with a punchy Intel Core Ultra 7, killer connectivity, and zero RAM or storage from the factory. It's a fantastic office foundation if you're ready to supply your own parts, and a so-so deal if you pay the higher end of its wide price spread. Skip it if you need gaming chops or a turnkey experience.

The Core Ultra 7 255H sits well above average for mini PCs in our database, and it handles everyday productivity like a champ. The integrated Arc 140T GPU holds its own for video decoding and can even dabble in light photo editing, but it's absolutely not a gaming chip. Port selection is a standout, with dual HDMI 2.1, Thunderbolt 4, and a healthy spread of USB ports that outpaces most competitors. The elephant in the room: our storage and RAM scores are rock bottom because this unit ships empty. That's not a flaw, it's the whole point of a barebone kit, but it does mean you'll need to spend extra and pop the hood before you can boot.

Stacked against the Apple Mac mini M4, the NUC trades blows in interesting ways. The M4 chip likely outruns the Core Ultra 7 in raw efficiency and single-core grunt, and the Mac comes with storage and memory pre-installed. But the ASUS fights back with superior port variety, dual HDMI 2.1, and native Windows support for enterprise environments. The HP OmniDesk M03-0074 and Dell XPS desktop lines are bulkier towers that offer more GPU expansion, but none shrink down this small. If you're comparing to gaming rigs like the Lenovo Legion Tower 5i, you're in a completely different category; this NUC is an office-first machine, not a fragging box.

Pricing is all over the map. We've spotted this kit as low as $638 and as high as $945, a $307 swing that can make or break the deal. At the bottom end, you're getting a lot of connectivity and a punchy CPU for the money, especially if you have spare DDR5 CSO-DIMMs and an SSD lying around. But once you add those components, you might creep close to prebuilt mini PC territory. If you're an IT department buying in bulk, the flexibility is a perk. For everyone else, it's a decent value only if you can grab it on sale and don't mind the DIY legwork.

The ASUS NUC 15 Pro Slim is a barebone kit that throws the latest Intel Core Ultra 7 255H and a suite of cutting-edge ports into a chassis no bigger than a stack of sticky notes. It's a build-it-yourself deal: you supply the DDR5 RAM, the M.2 SSD, and the nerve to install Windows yourself. What you get back is a whisper-quiet, VESA-mountable office workhorse that can drive dual 4K displays and handle spreadsheets, video calls, and a dozen browser tabs without breaking a sweat.

We're looking at the RNUC15CRKU70000U variant, which means Intel Arc 140T integrated graphics, Wi-Fi 7, and Thunderbolt 4 come standard. That's a lot of future-proof connectivity for a mini PC. But the barebone approach means its value depends entirely on what parts you pick and how much you score the kit for, because prices swing wildly between vendors.

If you need a gaming rig or a simple plug-and-play home computer, look elsewhere. The integrated graphics struggle with anything beyond casual titles, and you'll spend extra time and money sourcing compatible parts. For a hassle-free out-of-the-box experience, a Mac mini M4 or a prebuilt mini PC from HP or Dell is a better fit.

This NUC is built for IT managers, system builders, and anyone who wants a tiny, tidy PC that can be configured exactly the way they like. If you need a fleet of standardized office machines that you can service with off-the-shelf parts, it's a smart pickup. Home users who just want to unbox, plug in, and go should probably look at a pre-built mini PC or a Mac mini instead.