The AOOSTAR MACO H255 is a seriously capable barebone mini PC that punches well above its weight class. Built around AMD's Zen 4 architecture, this little box is aimed at tinkerers, gamers, and productivity enthusiasts who want to bring their own RAM and storage to the party.
Overview
At its core, this mini PC runs the AMD Ryzen 7 H255, an 8-core, 16-thread processor built on a 4nm process that boosts up to 4.9 GHz. It is paired with integrated Radeon 780M graphics based on RDNA 3 architecture, which handles everything from 4K video editing to casual AAA gaming. The chassis is constructed from 100% recycled aluminum (except for the plastic bottom cover), making it a notably eco-friendly pick. It measures just 13 x 13 x 6 cm and weighs only 0.66 kg, so it fits pretty much anywhere.
Key Features
- AMD Ryzen 7 H255 (8C/16T, Zen 4, up to 4.9 GHz) with Radeon 780M GPU
- Dual DDR5 SO-DIMM slots supporting up to 128GB at 5600 MT/s
- Two M.2 2280 PCIe 4.0 x4 NVMe SSD slots (up to 8TB total)
- OCuLink port for eGPU connectivity with minimal performance loss
- Dual USB4 ports, dual 2.5G Ethernet, Wi-Fi 6, and Bluetooth 5.2
- Supports up to four simultaneous 4K displays via HDMI 2.1, DP 1.4, and USB4
- One-touch fingerprint unlock on the power button
- VC cooler with 60% greater efficiency than traditional copper pipe designs
Who is it for?
This barebone setup is ideal for enthusiasts who want to configure their own memory and storage. Whether you are building a compact gaming rig with an eGPU via OCuLink, a multi-monitor workstation, or a home server with dual 2.5G LAN, the MACO H255 gives you a solid and flexible foundation.
Pros and Cons
- Pro: Excellent port selection including OCuLink and dual USB4
- Pro: Upgradeable RAM and storage with generous maximums
- Pro: Eco-friendly recycled aluminum build
- Con: Barebone model requires separate RAM, SSD, and OS purchase
- Con: At roughly 1 liter volume, it is larger than some ultra-compact rivals
Looking for the best deal on this mini PC? Check out our latest deals page for current offers.









