Best Mini-ITX Cases of 2026

The front is a slab of FSC-certified solid walnut, the panels are anodized aluminum, and the front panel itself is 8mm thick. The Terra is the one case here you can put in a living room without hiding it, and at 10.4 liters it takes a graphics card up to 322mm — the part that makes the wood more than a finish.

What makes it work is the spine. The central wall slides through 30mm of travel instead of clicking into fixed stops, and that travel is shared: push it toward the card and you gain cooler height, push it the other way and you gain card width. It's the most honest expression of what a small case is — a set of trades you set by hand — and it's the first thing we adjust when a build won't close up. A slim card and a tall low-profile cooler sit happily together; a 3.5-slot card and a big air cooler don't, and patience doesn't change it.

Fractal includes a PCIe 4.0 riser, which matters because a Gen 4 card on a Gen 3 ribbon is a needless compromise, and the front I/O carries USB-C at 20Gbps alongside an aluminum power button. Buy it for how it looks and how deliberately it's put together; it rewards careful part selection more than anything else in this roundup.

Most small cases are boxes. The Ridge is a slab. It stands upright beside a television or lies flat like a console, and it turns up with two 140mm Aspect PWM fans and a PCIe 4.0 riser already inside, which is closer to finished than anything else here.

It clears a 335mm graphics card, the longest figure in this group, and every panel comes off. That matters more on a slim case than a wide one: you get at the far side of the build without dismantling what you just fitted. The two included fans do the heavy lifting for airflow, and having them in the box saves both a purchase and a decision.

What it asks in return is planning. The cable runs behind the motherboard are short enough that you want them laid out before the board goes in, and the parts that suit a case this thin are the mid-range ones — a flagship card and a flagship processor in the same slim body leave those two fans working for a living. For a living-room machine running a sensible card, none of that bites, and it disappears into the furniture the way a tower never will.

If a full-size ATX power supply is sitting in the tower you're replacing, almost nothing in this roundup will take it. The SG13B will. It's 11.5 liters, 8.47 inches wide, with a mesh front and room for a standard ATX unit, and that single compatibility decides more builds than any feature on a spec sheet.

The front takes a 120mm or 140mm all-in-one, and the mesh panel does its best work with a fan behind it. Mini-DTX boards fit as well as Mini-ITX, which buys you a second memory slot on some boards. What it asks in exchange is height: a full-size supply eats into cooler clearance, and dropping to an SFX unit buys that height back. That's the honest shape of this case — it rewards what you already own rather than what it looks like.

It is a shoebox, and it looks like one: sturdy, plain, and better suited to a shelf than a desktop. We keep recommending it anyway, because the number of people with a working ATX supply and no intention of buying another is enormous, and this is the case that meets them where they are.

A 170mm tower cooler in a Mini-ITX case is unusual, and 170mm is more clearance than the NR200 gives you. The C6-ITX also swallows an ATX power supply up to 140mm, and that pair of allowances is what lets a normal, cheap, quiet build happen in a small box instead of a low-profile compromise.

It's the least expensive case here and it doesn't feel like it: mesh on all four sides, a top panel that comes off without a screwdriver, and a carry handle on a Velcro strap that we assumed was a gimmick until we started moving a finished build between desk and floor. Four expansion slots is generous at this price, and the matte black finish reads as plain in a good way — nothing about it advertises itself.

Where it stops is a build with a long graphics card, and the single 3.5-inch mount is the other thing to know before you order. Cables need planning before the board goes in, because there's no channel waiting to hide them afterwards. None of that is a surprise in a case this size and this cheap, and it's the one we suggest when the cooler and the power supply already exist on the shelf.

Buying a small case usually means three separate decisions: which SFX power supply, which all-in-one cooler, and whether the cables will reach. The NR200P MAX V2 arrives with all three answered — an 850W SFX Gold ATX 3.1 unit, a 280mm ML280 cooler mounted at the top, and a PCIe 4.0 riser — inside the same 18.25 liters as the standard NR200.

The graphics card mounts vertically on the included riser, up to 357.6mm, and the power connector is a 90-degree 12V-2x6. That last detail is the one that matters in practice: a straight connector pressed against a side panel is how small builds get abandoned halfway. Cooler Master also fits short custom-length cables, so the run from the supply to the board doesn't loop around the inside of the case.

Assembly is therefore mostly a matter of the board, the CPU, and the card, which is why we like this for a first small build more than for a second one. The parts are chosen and the tolerances are known, and that is exactly the part of small-form-factor building that catches people out. There's also storage room: five internal bays is more than most cases this size offer.

Buy it when the alternative is three separate purchases and an evening spent checking clearances against a spec sheet; skip it if the choosing is the part you enjoy. Nothing here needs a second opinion from a forum thread, and everything that usually goes wrong in a compact build has been decided for you.

The mesh on the Meshroom D is 1.5mm aperture, on every side, and that is the whole design idea: a case that is mostly holes moves air without needing clever ducting. It's 14.93 liters and it holds up to three 140mm fans, a 3.5-slot graphics card, and dual radiators for a custom loop.

It's also one of the few cases here that takes an ATX power supply alongside an SFX or SFX-L unit, which makes it a genuine option for a transplant rather than a new build. The trade is arithmetic rather than a defect: a big card, a big supply, and a two-radiator loop all want the same interior, and any two of those is a happier fit than all three. Plan the loop around the parts you already own.

Panels clip on rather than screw down, and the base is a magnetic filter rather than a lifting point, so you carry it by the frame. Those are small things until you're moving a finished build up a flight of stairs. What keeps bringing us back is what you get for midrange money: this is custom-loop hardware at a price the display cases can't match.

The S300 ships with a PCIe 3.0 riser, and it's stated plainly: set the slot to Gen 3 in the motherboard BIOS or the machine will not boot. That is the kind of sentence people skip, and it is the first thing to check when a new build powers on with no display. The case itself is 8.1 liters, brushed aluminum, with a leather handle on top and mesh on three sides.

Sixty millimeters is the cooler height, which is low-profile territory and caps your processor choice more than the case's size does. What it gives back is a 305mm graphics card in 8.1 liters, a front USB-C port, and a machine you can lift with three fingers through the handle. We reach for this one when the build has to travel.

Two internal drive bays, an SFX or SFX-L supply between 100 and 130mm, and a 60-day warranty round it out — that coverage is the shortest in this roundup and worth knowing before you commit. Assembly rewards patience over strength: panels come off, the frame is rigid, and the order you fit things in decides how pleasant the afternoon is. For the footprint, nothing else here comes close.

Most glass cases show you the cables. The TK-0 separates the power supply and the wiring into a chamber behind the display side, so the 270-degree curved glass shows the board, the cooler, and the card instead of a nest of leads. The walnut veneer and aluminum shell finish the thought: this is the case here that looks like furniture on purpose rather than by accident.

It's 137mm of cooler height and 230mm of graphics card, and that card limit is the number to check before anything else. A 160mm SFX supply goes behind the divider alongside one 3.5-inch drive and one 2.5-inch SSD on the same bracket, and there's room for a 120mm or 140mm fan top and bottom plus two 90mm at the rear.

Building in it is easier than the glass suggests, because the back chamber gives you somewhere to put the cables — usually the part of a small build that goes wrong. It isn't the case for a long card and it isn't the case for the smallest budget. It's the one to buy when the machine sits on a desk and gets looked at, and when you'd rather hide the working parts than show them.

Every panel on the Revolt 3 comes off, on all four sides, which is unusual on a tower this tall and the reason a vertical case doesn't have to be a fight. It stands on a 9.96 by 7 inch footprint, so it tucks beside a monitor or behind one, and there's a carrying handle on top.

The allowances are generous for the size: a 335mm graphics card up to 58mm thick, a 140mm CPU cooler, and front I/O with USB-C 3.2 Gen 2, two USB-A ports, and a headset jack. The three-year warranty is the longest case coverage in this roundup, which says something about how confident HYTE is in the panels and the frame.

Two things to know. The motherboard's I/O faces downward, so every cable leaves at the bottom and the case wants clearance underneath it — worth checking before it goes on a shelf. What we appreciate most is that access: on a tall, narrow chassis, removable panels are the difference between building a machine and negotiating with one.