Will it fit?
Will the RTX 5090 fit in my case?
A typical RTX 5090 is about 340 mm long, 3.5 slots thick. It fits 9 of the 12 popular cases we track and doesn't fit the Montech AIR 100, Cooler Master NR200P V2, Lian Li A4-H2O. Check your exact model's length against the case limit below.
Key facts· updated
- A typical RTX 5090 is about 340 mm long and 3.5 slots thick (maker spec pages, checked Oct 29, 2026).
- The RTX 5090 fits 9 of the 12 popular cases PC Atlas tracks (case maker limits, checked Oct 29, 2026).
- The smallest tracked case that fits the RTX 5090 is the Fractal Design North, which takes cards up to 355 mm.
- The RTX 5090 doesn't fit the Montech AIR 100, Cooler Master NR200P V2, Lian Li A4-H2O (case maker limits).
| Case | Card limit | Room | Fits? |
|---|---|---|---|
| Montech AIR 100micro-ATX tower | 330 mm | -10 mm | No |
| Lian Li A3-mATXmicro-ATX tower | 415 mm · 4 slots | ~75 mm | Yes |
| Phanteks XT Pro Ultramid tower | 415 mm | ~75 mm | Yes |
| Corsair 4000D Airflowmid tower | 360 mm340 mm with a front radiator | ~20 mm | Yes, most models |
| Lian Li Lancool 216mid tower | 392 mm | ~52 mm | Yes |
| NZXT H6 Flowmid tower | 365 mm | ~25 mm | Yes, most models |
| Fractal Design Northmid tower | 355 mm300 mm with a front radiator | ~15 mm | Yes, most models |
| HYTE Y70mid tower | 422 mm | ~82 mm | Yes |
| Fractal Design Meshify 2 XLfull tower | 524 mm | ~184 mm | Yes |
| Phanteks NV7full tower | 450 mm | ~110 mm | Yes |
| Cooler Master NR200P V2mini-ITX case | 356 mm · 3 slots | ~16 mm | No |
| Lian Li A4-H2Omini-ITX case | 322 mm | -18 mm | No |
Case limits from case maker spec pages and card length from typical models (checked 2026-10-29). Room = case limit minus a typical RTX 5090. “Yes, most models” = under 40 mm to spare; “Tight” = under 15 mm. Page updated .
Questions
Will the RTX 5090 fit in my case?
A typical RTX 5090 is about 340 mm long, 3.5 slots thick. It fits 9 of the 12 popular cases we track and doesn't fit the Montech AIR 100, Cooler Master NR200P V2, Lian Li A4-H2O. Check your exact model's length against the case limit below.
How long is the RTX 5090?
About 340 mm for a typical model and 3.5 slots thick. Big triple-fan versions can be 20 to 40 mm longer, so check your exact model on the maker's spec page.
What's the smallest case that fits the RTX 5090?
Of the cases we track, the Fractal Design North (a mid tower, cards up to 355 mm).
What about a front radiator?
Some cases lose graphics card room when a radiator is mounted in the front. Where a case maker lists the shorter limit, the table shows it in the notes.