Asus ExpertCenter ASUS ExpertCenter PN54 Mini Barebone Desktop Review

The Asus PN54 packs a 99th-percentile CPU into a box the size of a book. It's a fantastic, modern mini PC for office and dev work, but the single storage slot is a dealbreaker for some. Worth it if you need max power in minimum space.

The Asus ExpertCenter PN54 is a tiny desktop that packs a surprisingly modern punch. It's a 'barebone' kit, meaning you supply the RAM, storage, and OS, but Asus gives you a killer starting point with an AMD Ryzen AI 7 350 CPU and a chassis about the size of a paperback book.

This isn't a gaming rig or a video editing monster. It's a hyper-efficient office and development machine. Its CPU performance is in the 99th percentile, which is wild for something this small, but you'll need to temper expectations for graphics and storage expansion.

The headline is that Ryzen AI 7 350 CPU. It's an 8-core beast that lands in the 99th percentile for processing power in our database, so it will crush office tasks, coding, and multitasking without breaking a sweat. The integrated Radeon graphics are fine for driving multiple 4K displays (thanks to HDMI 2.1 and DisplayPort 1.4), but they're not for gaming—the GPU score sits in the 41st percentile. The real bottleneck is storage: with only one M.2 slot, you're stuck with a single drive, which puts it in the bottom 5% for expandability.

At $649 for the barebone unit, the value is decent but not a steal. You're paying a premium for the ultra-compact design and that top-tier CPU. Once you add 32GB of DDR5 RAM, a 1TB NVMe SSD, and a Windows 11 license, you're looking at a total system cost closer to $950-$1000. For that money, you get a uniquely powerful and tiny PC, but you sacrifice all future storage expansion.

Compared to other mini PCs, the PN54's CPU smokes the competition from Intel's NUC lineup. However, brands like Minisforum often offer similar CPU power with dual storage slots for less money, though their build quality can be hit-or-miss. If you don't need the absolute smallest box, a compact tower like a Lenovo ThinkCentre or Dell OptiPlex Micro gives you more upgrade room for similar cash. And if you're even thinking about the gaming desktops listed as competitors (like the HP Omen), you're looking at the wrong product category entirely—this isn't for gaming.

Skip this if you need more than one storage drive. The single M.2 slot is a hard limit. Also, avoid it if you want to play modern games or do GPU-intensive creative work—the integrated graphics won't cut it. Anyone who wants a plug-and-play system should look at pre-built mini PCs instead.

Buy this if you're a developer, IT admin, or power user who needs serious CPU grunt in the smallest possible package and you're okay with a single storage drive. Its combination of a top-tier processor, modern ports, and tiny size is perfect for a clean, powerful desk setup or as a compact server.