That doesn't make it useless. It's a decent checklist for anyone building a compact Windows PC, as long as you read the specs and check them against your parts.
The three main picks
Tom's Hardware names three headline cases.
| Pick | Category | Max GPU length (guide) | Notable detail |
|---|---|---|---|
| Fractal Design Terra | Design-focused | 322.1 mm | Aluminum shell, wood trim, adjustable "spine", no fans included |
| HYTE Revolt 3 | LAN parties | 335 mm | Retractable handle, no riser cable needed, relies on an AIO for cooling |
| Phanteks Evolv Shift 2 | Best looking | 335 mm | Vertical tower, one 140 mm fan, 120 mm AIO limit, PCIe 3.0 riser |
The Evolv Shift 2 stands out for its towering, small-footprint design and anodized aluminum panels. The guide lists it at $100 for the mesh version and $110 for the tempered-glass variant with an addressable-RGB fan. Those prices come from the guide's own copy, which repeats the figures from the original review. Check current retailer pricing before you rely on them. The same goes for the Revolt 3's $129 figure.
Why "max GPU length" isn't the whole story
The headline GPU number is where compact builds go wrong. Fractal's own support page says the Terra's maximum GPU length is 322 mm. It also says that figure drops to 200 mm if you install a 120 mm radiator. The page describes a movable motherboard plate, the "spine". It has seven positions and shifts room between the CPU chamber and the GPU chamber.
Fractal's table shows the trade-off. In position 1 you get 77 mm of CPU cooler clearance. In position 7 that falls to 48 mm, while the maximum GPU thickness rises from 43 mm to 72 mm for cards up to 131 mm wide. Cards that are 145 mm wide get less thickness at every setting, because the side panel is wider toward the top. A big triple-fan card therefore needs a check of length, thickness and width, plus whatever cooler you plan to use.
HYTE publishes a fuller envelope for the Revolt 3: most cards up to 335 × 140 × 58 mm. It also lists cards it tested as compatible and cards it found incompatible. Several thick "Master"-class and Suprim-class cards of the RTX 30 and RX 6000 era are on the incompatible list. A 335 mm length rating doesn't mean every 335 mm card will fit. HYTE's list is based on older-generation cards, so newer cards need checking against the published dimensions.
Riser cables: the PCIe 3.0 catch
Many Mini-ITX cases mount the graphics card away from the motherboard and connect it with a riser cable. The guide warns that PCIe 4.0 risers are becoming common but aren't universal. Tom's Hardware's Shift 2 review lists a riser that supports only PCIe 3.0 among its cons. That matters if you're pairing the case with a PCIe 4.0 board and a modern card. The guide's practical answer is to confirm riser support before buying, and to budget for an upgraded cable if you plan to keep the case through a GPU upgrade. The Revolt 3's layout avoids the issue because the card slots straight into the board.
Cooling: the compromises are real
The guide's advice is to start with the case, then pick parts that fit it. Cooling is the main constraint, and the guide treats it as general building advice, not something it measured for every listed case.
- Terra: The guide reports cramped cooling, storage and PSU support, and recommends a modular SFX power supply. It ships with no fans.
- Revolt 3: It relies on the AIO for airflow. The guide says that was adequate in its testing with a Core i5-11600K and an RTX 3080 Ti. That is an older, specific test configuration, not a promise for current hardware.
- Shift 2: It fits only 120 mm AIOs for CPU cooling. The Tom's Hardware review says the tempered-glass variant suits GPUs up to about 250 W.
If you're planning something with a high-power CPU and GPU, the guide suggests looking for 240 or 280 mm radiator support plus an extra intake fan.
Roomier alternatives
The guide also covers two cases that are larger than Mini-ITX-only designs. Both take Micro-ATX boards as well.
- NZXT H3 Flow: NZXT's page lists up to 377 mm of GPU clearance, falling to 352 mm with front fans and 317 mm with a front radiator and fans. It supports a 280 mm front radiator and a 240 mm top radiator, with room for up to seven fans. NZXT's page lists a single included rear fan and gives the case a 35-litre volume. The guide's complaints are practical: a fixed top that made the CPU power connector awkward to plug in, cable routing based on tie-down points, a front-panel cable that won't reach every board, and no audio jack. It also says the bottom-mounted ATX power supply has to go in upside down.
- Lian Li A3-mATX: It has 16.34 inches of GPU clearance, supports a 360 mm radiator up top and takes full-size power supplies. The standard plastic-front version has no front airflow, but the wood-front model has ventilated slats behind a mesh filter.
Both are reasonable if you want a smaller PC but don't need the smallest possible footprint. They aren't true Mini-ITX-only designs, so don't compare their volume with the Terra's.
How to use the guide
- Choose the case first, then check every part against its limits.
- Check GPU length, thickness and width, not just length.
- Check which radiator sizes the case supports and where it mounts them. The Terra's GPU room shrinks with a radiator.
- Check the PSU form factor. SFX is still required in the smallest cases.
- Check the riser's PCIe generation if you're buying a modern board and card.
- Check that the front I/O meets your needs. The Terra and H3 Flow lack front audio jacks, according to the guide.
Other roundups differ
The market view isn't uniform. PC Gamer's Mini-ITX roundup also puts the Terra first and the Revolt 3 as best budget, but it adds the Phanteks Evolv Shift XT as its ultra-small pick, a different Phanteks model from the Shift 2. A third-party comparison I found lists the Shift XT with a PCIe 4.0 riser, a detail I couldn't confirm from a primary source. Treat the Tom's Hardware picks as one editorial view.
Verdict
The guide's value is its compatibility checklist and its spec-by-spec comparison, not any fresh 2026 benchmark data. The Terra is the pick for looks and compactness, the Revolt 3 for portability and a riser-free layout, and the Shift 2 for a small desk footprint. Availability and pricing change quickly, so confirm both before you order.
References
- Best Mini-ITX Cases 2026: Our Tested Picks for Compact PC Builds - Tom's Hardware Tom's Hardware · 2023-07-14T16:14:40+00:00
- Revolt 3 - Premium ITX Small Form Factor Case - Black With Power | HYTE hyte.com
- NZXT | H3 Flow | Micro-ATX Airflow Case nzxt.com