Every card in the A3-mATX
Will it fit
Does the MSI GeForce RTX 5090 32G Gaming Trio OC fit in the Lian Li A3-mATX?
Fits
Yes. The MSI GeForce RTX 5090 32G Gaming Trio OC fits the Lian Li A3-mATX with 56 mm of length to spare.
Length359 of 415 mm56 mm spare
Height149 mmNot published
Thickness≈3.44 of 4 slots0.56 slots spare
Exact measurements
| Size | MSI | A3-mATX | Room |
|---|---|---|---|
| Length | 359 mm | 415 mm | 56 mm spare |
| Height | 149 mm | — | Not published |
| Thickness | ≈3.44 slots | 4 slots | 0.56 slots spare |
Lian Li's published spec
Questions
- Does the MSI GeForce RTX 5090 32G Gaming Trio OC fit in the Lian Li A3-mATX?
- Yes. The MSI GeForce RTX 5090 32G Gaming Trio OC fits the Lian Li A3-mATX with 56 mm of length to spare. Length 359 of 415 mm, height 149 mm (no published limit), thickness ≈3.44 of 4 slots.
- Is anything not checked?
- Lian Li doesn't publish a height limit for the A3-mATX, so that isn't checked.
- Where do these numbers come from?
- Lian Li's published spec; card size from MSI's spec page. Checked October 2026. Makers measure differently and connectors add a few millimetres, so treat a tight result as a reason to measure.
Sources
- Case: Lian Li’s A3-mATX specifications, checked October 24, 2026. Lian Li lists cards up to 415 mm long and 4 slots thick.
- Card: MSI’s spec page, checked October 23, 2026.
- A 25 mm fan under the card limits it to 61 mm (3 slots); a bottom radiator with fans leaves no room for a card.
This card in other small cases
- Cooler Master NR200PDoesn’t fit29 mm too long
- Cooler Master NR200P V2Doesn’t fit2 mm too long
- FormD T1 V2.5Doesn’t fit34 mm too long
- Fractal Design Era 2Doesn’t fit33 mm too long
- Fractal Design RidgeDoesn’t fit24 mm too long
- Fractal Design TerraDoesn’t fit37 mm too long
- Jonsbo Z20TightOnly 4 mm of length to spare
- Lian Li A4-H2ODoesn’t fit37 mm too long
- Lian Li Q58Doesn’t fit39 mm too long
- NCASE M1 V6.1Doesn’t fit37 mm too long
- NCASE M2TightNo length to spare (359 of 359 mm)
- Phanteks Evolv Shift XTDoesn’t fit35 mm too long
- SilverStone SG13Doesn’t fit89 mm too long
- Sliger CerberusDoesn’t fit29 mm too long
- SSUPD Meshroom S V2Doesn’t fit6 mm too long
Other RTX 5090 cards in the A3-mATX
Check another pair with the fit checker.
Based on published dimensions, not a guarantee. Check cable, cooler and connector clearance before you buy.