5 Things to Know About the ASRock DeskMini X300

It’s a compact cube The case measures 155 × 155 × 80 mm and runs on an external 120 W DC adapter (19 V, 6.32 A).

No room for expansion cards The small chassis means you cannot add any expansion cards after purchase.

Storage and RAM must be chosen at build time All internal components, including storage and RAM, must be installed during assembly because there’s no space for later upgrades.

Power is delivered via an external brick The 120 W adapter is separate from the unit, keeping the cube itself small.

It’s a fixed-configuration system Once built, you’re stuck with your initial choices for drives and memory.