Every card in the Z20
Will it fit
Does the ASUS TUF Gaming GeForce RTX 5090 OC fit in the Jonsbo Z20?
Fits
Yes. The ASUS TUF Gaming GeForce RTX 5090 OC fits the Jonsbo Z20 with 15 mm of length to spare.
Length348 of 363 mm15 mm spare
Height146 mmNot published
Thickness3.6 slotsNot published
Exact measurements
| Size | ASUS | Z20 | Room |
|---|---|---|---|
| Length | 348 mm | 363 mm | 15 mm spare |
| Height | 146 mm | — | Not published |
| Thickness | 3.6 slots | — | Not published |
Jonsbo's published spec
Questions
- Does the ASUS TUF Gaming GeForce RTX 5090 OC fit in the Jonsbo Z20?
- Yes. The ASUS TUF Gaming GeForce RTX 5090 OC fits the Jonsbo Z20 with 15 mm of length to spare. Length 348 of 363 mm, height 146 mm (no published limit), thickness 3.6 slots (no published limit).
- Is anything not checked?
- Jonsbo doesn't publish a height or thickness limit for the Z20, so those aren't checked.
- Where do these numbers come from?
- Jonsbo's published spec; card size from ASUS'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: Jonsbo’s Z20 specifications, checked October 24, 2026. Jonsbo lists cards up to 363 mm long, 'depends on other hardware configurations'.
- Card: ASUS’s spec page, checked October 23, 2026.
- Jonsbo publishes a length limit only, and says it depends on the rest of the build.
This card in other small cases
- Cooler Master NR200PDoesn’t fit18 mm too long
- Cooler Master NR200P V2TightOnly 9 mm of length to spare
- FormD T1 V2.5Doesn’t fit23 mm too long
- Fractal Design Era 2Doesn’t fit22 mm too long
- Fractal Design RidgeDoesn’t fit13 mm too long
- Fractal Design TerraDoesn’t fit26 mm too long
- Lian Li A3-mATXFits67 mm of length to spare
- Lian Li A4-H2ODoesn’t fit26 mm too long
- Lian Li Q58Doesn’t fit28 mm too long
- NCASE M1 V6.1Doesn’t fit26 mm too long
- NCASE M2TightOnly 2 mm of height to spare
- Phanteks Evolv Shift XTDoesn’t fit24 mm too long
- SilverStone SG13Doesn’t fit78 mm too long
- Sliger CerberusDoesn’t fit18 mm too long
- SSUPD Meshroom S V2TightOnly 5 mm of length to spare
Other RTX 5090 cards in the Z20
Check another pair with the fit checker.
Based on published dimensions, not a guarantee. Check cable, cooler and connector clearance before you buy.