Verdict
Head-to-head · Best Mini-ITX Cases

Fractal Design Terra vs Lian Li A4-H2O

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

The short answer

Fractal Design Terra comes out ahead by a narrow margin (4.6 vs 4.4). The gap is mostly about PC builders who want the most refined Mini-ITX building experience and a case that doubles as desk furniture — read the strengths below before deciding.

Fractal Design Terra
Higher ratedRanked #1 in Best Mini-ITX Cases
Fractal Design Terra
$200as of May 19

The Terra is what you buy when you want a Mini-ITX case that looks at home on a designer's desk. The 10.4 L sandwich layout fits a full triple-slot GPU and the stepless slidable spine makes for the most flexible Mini-ITX build experience available. Tom's Hardware and PC Gamer both call it the best Mini-ITX case of 2026, and the anodized aluminum + walnut finish is what differentiates it from the field. The trade-offs are a $200 price tag and SFX-only PSU support — but if you've already committed to SFF, you were probably going SFX anyway.

Strengths
  • 10.4 L sandwich layout with stepless slidable central wall — fit a 322 mm GPU without the usual SFF squeeze
  • Anodized aluminum panels with FSC-certified walnut accents — looks like furniture, not gamer plastic
  • Tom's Hardware and PC Gamer name it best Mini-ITX case overall in 2026
Watch-outs
  • Premium price — about 2.5x the Cooler Master NR200 for the same form factor
  • SFX power supply only, no ATX support
  • Wood-panel design looks great but can show wear and oil from handling over time
Lian Li A4-H2O
Ranked #3 in Best Mini-ITX Cases
Lian Li A4-H2O
$156as of May 19

The A4-H2O is what you build when you've decided 11 liters is the goal and you're willing to accept the trade-offs to get there. The sandwich layout mounts the GPU behind the motherboard, the removable front and top open up surprisingly easily for a case this small, and the 240 mm AIO support is the differentiating feature against most cases in this volume class. Cable management is the dealbreaker for some builders — there's almost nothing in the way of dedicated routing. GamersNexus calls cable management the case's main flaw; everything else is praised.

Strengths
  • 11 L volume — among the smallest cases that still fit triple-slot GPUs
  • Designed around 240 mm AIO water cooling, with removable top bracket for radiator install
  • Mesh on all four user-facing panels keeps thermals manageable despite the tight volume
Watch-outs
  • Cable management is the most-cited frustration — no dedicated tie-downs or channels
  • Limited drive support (no 3.5" bays) by design — NVMe-only builds are expected
  • SFX power supply only, and clearance for SFX-L is tight

How they stack up

Fractal Design Terra

The Terra wins on materials and editorial consensus, but you pay for it — the Cooler Master NR200 hits ~80% of the build experience for ~40% of the price. Vs the Lian Li A4-H2O, the Terra prioritizes air-cooled aesthetic builds over the A4-H2O's AIO-friendly mesh layout. The Hyte Revolt 3 is a different shape entirely (tower with handle) and the Jonsbo C6-ITX is the value alternative for builders who want mesh airflow without the premium pricing.

Lian Li A4-H2O

The A4-H2O is the smallest case in this round-up at 11 L vs the Cooler Master NR200's 18.25 L and Hyte Revolt 3's 18.4 L. Vs the Fractal Design Terra (10.4 L), the A4-H2O trades the Terra's wood-and-aluminum finish for a stronger mesh airflow story and proper 240 mm AIO support. Not the build for first-timers — the Jonsbo C6-ITX and Cooler Master NR200 are both significantly easier to work in.

Specs side-by-side

SpecFractal Design TerraLian Li A4-H2O
Volume10.4 L11 L
MotherboardMini-ITXMini-ITX
PSUSFX, SFX-LSFX, SFX-L (tight)
Max GPU Length322 mm322 mm (triple-slot)
Max CPU Cooler Height77 mm (front position)55 mm
Front I/OUSB 3.2 Gen 2x2 Type-C, USB 3.0 Type-AUSB-C 3.1, USB-A 3.0, audio
MaterialAnodized aluminum, FSC walnut accentsAluminum exterior, SPCC steel interior
Radiator Support120 mm side (slim)240 mm AIO (top)
Weight3.1 kg
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