Buying Guide
The Best PC Cases for the RTX 5080
Six cases compared on GPU room for RTX 5080 cards up to the 357mm ROG Astral, plus cooler and radiator fit.
By Alex Morgan, PC Hardware Editor
12 min read6 products evaluated
RTX 5080 cards vary in size: the Founders Edition is 304mm, the ASUS TUF is rated at 348mm and the ROG Astral at 357mm. The smaller cases here clear those figures only narrowly, so check your exact card.
We compared the GPU length, cooler height and radiator limits the case makers list; we did not build in these cases ourselves.
Quick Picks
Which of the 6 picks to look at first. Tap a name for the full analysis.
Best Fit for an RTX 5080
MONTECH XR420mm of GPU room and a 230mm PSU limit.
Best for: Any RTX 5080, including the longest.
Check price for MONTECH XR on Amazon (opens in a new tab)
Best Glass Tower
be quiet! Light Base 600 DX400mm of GPU room with dual radiator support.
Best for: Glass showcase builds.
Check price for be quiet! Light Base 600 DX on Amazon (opens in a new tab)
Best Dual-Chamber mATX
Lian Li O11 Vision-M410mm of GPU room in a dual-chamber mATX case.
Best for: Compact showcase builds.
Check price for Lian Li O11 Vision-M on Amazon (opens in a new tab)
Most GPU Room
JONSBO D33435mm of listed GPU clearance.
Best for: Maximum room for large cards.
Check price for JONSBO D33 on Amazon (opens in a new tab)
Best Portable Case
JONSBO Z20363mm of GPU room in 20 litres with a carry handle.
Best for: LAN parties and small desks.
Check price for JONSBO Z20 on Amazon (opens in a new tab)
Smallest Case Here
Lian Li B4-mATX (Mesh)358mm of GPU room in 21.3 litres.
Best for: Compact mATX builds.
Check price for Lian Li B4-mATX (Mesh) on Amazon (opens in a new tab)
Our Picks
Best Fit for an RTX 50801 of 6
MONTECH XR
The Montech XR lists the most complete set of figures in this price range: 420mm for the GPU, 175mm for the cooler and 230mm for the power supply.
Best for
- Any RTX 5080, including the longest.
Skip if
- Skip it if this is a deal-breaker for you: gPU clearance of 420mm, behind the D33 (435mm).
Why we like it
Three ARGB fans come fitted, and the glass front and side show off the build. Its 420mm GPU clearance ranks second of 6 here, behind the D33 (435mm) and ahead of the B4-mATX (358mm). On CPU cooler clearance it leads this guide at 175mm, ahead of the D33 (172mm).
On largest radiator size it ties with the Light Base 600 DX, the O11 Vision-M, the D33 and the B4-mATX at 360mm. Nothing else here matches its 230mm PSU length limit; the O11 Vision-M comes closest at 182mm. It also comes with mounting for up to nine fans.
GPU limit in the XR: 420mm, before front fans. The XR takes 360mm radiators; mind RAM height. It was the cheapest of the group when we checked; the O11 Vision-M was the next step up.
Key specs
- Max GPU length
- 420mm
- Max CPU cooler height
- 175mm
- Largest radiator
- 360mm
- Max PSU length
- 230mm
- Fans included
- 3
- Glass
- Panoramic front and side glass
- Front USB-C
- Yes
Pros
- Room for graphics cards up to 420mm long
- Takes tower air coolers up to 175mm tall
- Fits a 360mm radiator
- 3 fans included
Cons
- GPU clearance of 420mm, behind the D33 (435mm)
The catch
Buyers who need a confirmed volume should compare it with the Z20, which comes in at 20L.
Best Glass Tower2 of 6
be quiet! Light Base 600 DX
The Light Base 600 DX pairs a full glass front and side with dual 360mm plus 240mm radiator support.
Best for
- Glass showcase builds.
Skip if
- The maker gives no PSU length limit, so skip it if that figure decides your choice.
Why we like it
It fits a 400mm graphics card and a 170mm tower cooler, with an anti-sag bracket included. The dual radiator support means a 360mm CPU cooler and a 240mm GPU loop can run side by side, though the maker doesn't state a fan count. Its 400mm GPU clearance ranks fourth of 6 here, behind the D33 (435mm) and ahead of the B4-mATX (358mm).
Its 170mm CPU cooler clearance ranks third of 5 here, behind the XR (175mm) and ahead of the O11 Vision-M (162mm). On largest radiator size it ties with the XR, the O11 Vision-M, the D33 and the B4-mATX at 360mm. You get ATX motherboards here, which sets it apart from the B4-mATX and its mATX motherboards.
GPU limit in the Light Base 600 DX: 400mm, before front fans. The Light Base 600 DX takes 360mm radiators; mind RAM height. It was the most expensive pick when we checked, so weigh what it adds over the D33.
Key specs
- Max GPU length
- 400mm
- Max CPU cooler height
- 170mm
- Largest radiator
- 360mm
- Motherboards
- ATX
- Glass
- Full glass front and side
Pros
- Room for graphics cards up to 400mm long
- Takes tower air coolers up to 170mm tall
- Fits a 360mm radiator
- Full glass front and side
Cons
- No published PSU length limit
- Costs more than the XR at the time of writing
The catch
Buyers who need a confirmed PSU length limit should compare it with the XR, which comes in at 230mm.
Best Dual-Chamber mATX3 of 6
Lian Li O11 Vision-M
The O11 Vision-M brings Lian Li's dual-chamber layout to Micro-ATX, with 410mm of GPU room and a 360mm top radiator.
Best for
- Compact showcase builds.
Skip if
- Look at the others if this bothers you: only 1 fan in the box.
Why we like it
It does not take ATX or back-connect boards, and only one fan comes fitted. On GPU clearance it sits mid-pack at 410mm: the D33 comes in at 435mm, and the B4-mATX comes in at 358mm. On CPU cooler clearance it trails the group at 162mm, while the XR comes in at 175mm.
It matches the XR, the Light Base 600 DX, the D33 and the B4-mATX on largest radiator size (360mm). Its 182mm PSU length limit ranks second of 3 here, behind the XR (230mm) and ahead of the B4-mATX (140mm). You also get a pre-installed 140mm PWM fan in the second chamber.
GPU limit in the O11 Vision-M: 410mm, before front fans. The O11 Vision-M takes 360mm radiators; mind RAM height. 182mm is the O11 Vision-M's PSU length cap. It was priced above the XR and below the B4-mATX at the time of writing.
Key specs
- Max GPU length
- 410mm
- Max CPU cooler height
- 162mm
- Largest radiator
- 360mm
- Max PSU length
- 182mm
- Fans included
- 1
- Motherboards
- mATX, Mini-ITX (no ATX or back-connect)
Pros
- Room for graphics cards up to 410mm long
- Fits a 360mm radiator
- Pre-installed 140mm PWM fan in the second chamber
- Dual-chamber layout
Cons
- Only 1 fan in the box
- CPU cooler clearance trails the XR (175mm)
- Costs more than the XR at the time of writing
The catch
It gives ground on CPU cooler clearance, where the XR comes in at 175mm.
Most GPU Room4 of 6
JONSBO D33
The D33 offers 435mm of GPU room and a 172mm cooler limit, the most generous figures in this Micro-ATX group.
Best for
- Maximum room for large cards.
Skip if
- Pass if a published PSU length limit matters; this one has none.
Why we like it
It also takes back-connect mATX BTF boards and has a front USB-C port. Nothing else here matches its 435mm GPU clearance; the XR comes closest at 420mm. On CPU cooler clearance it sits mid-pack at 172mm: the XR comes in at 175mm, and the O11 Vision-M comes in at 162mm.
It matches the XR, the Light Base 600 DX, the O11 Vision-M and the B4-mATX on largest radiator size (360mm). You also get nine fan positions, a magnetic front grille and two 3.5-inch and two 2.5-inch drive bays. GPU limit in the D33: 435mm, before front fans.
The D33 takes 360mm radiators; mind RAM height. Boards: Micro-ATX, Mini-ITX, mATX BTF. It was priced above the Z20 and below the Light Base 600 DX at the time of writing.
Key specs
- Max GPU length
- 435mm
- Max CPU cooler height
- 172mm
- Largest radiator
- 360mm
- Motherboards
- Micro-ATX, Mini-ITX, mATX BTF
- PSU type
- ATX or SFX
- Front USB-C
- Yes
Pros
- Room for graphics cards up to 435mm long
- Takes tower air coolers up to 172mm tall
- Fits a 360mm radiator
- A front USB-C port
Cons
- No published PSU length limit
- Costs more than the XR at the time of writing
The catch
There is no published PSU length limit figure, whereas the XR comes in at 230mm.
Best Portable Case5 of 6
JONSBO Z20
The Z20 is a 20-litre Micro-ATX box with a detachable handle and 2mm steel panels.
Best for
- LAN parties and small desks.
Skip if
- Choose another pick if you can't accept this: radiators top out at 240mm.
Why we like it
It takes a 363mm graphics card, a 163mm cooler and ATX, SFX or SFX-L power supplies. Its 363mm GPU clearance ranks fifth of 6 here, behind the D33 (435mm) and ahead of the B4-mATX (358mm). Its 163mm CPU cooler clearance ranks fourth of 5 here, behind the XR (175mm) and ahead of the O11 Vision-M (162mm).
On largest radiator size it trails the group at 240mm, while the XR comes in at 360mm. You get micro-ATX motherboards here, which sets it apart from the B4-mATX and its mATX motherboards. It also offers a 240mm top AIO up to 60mm thick.
GPU limit in the Z20: 363mm, before front fans. The Z20 takes 240mm radiators; mind RAM height. Its price falls between the B4-mATX and the D33, based on our last check.
Key specs
- Max GPU length
- 363mm
- Max CPU cooler height
- 163mm
- Largest radiator
- 240mm
- Volume
- 20L
- Motherboards
- Micro-ATX
- PSU type
- ATX, SFX or SFX-L
- Front USB-C
- Yes
Pros
- A compact 20L footprint
- A front USB-C port
- Detachable carrying handle
- 2mm bent steel panels
Cons
- Radiators top out at 240mm
- Largest radiator size trails the XR (360mm)
- No published PSU length limit
The catch
If largest radiator size is your priority, the XR (360mm) is the stronger choice.
Smallest Case Here6 of 6
Lian Li B4-mATX (Mesh)
The B4-mATX is the smallest case here at 21.3 litres and still takes a 358mm graphics card.
Best for
- Compact mATX builds.
Skip if
- Choose another pick if you can't accept this: power supplies are limited to 140mm long.
Why we like it
Choosing an SFX power supply frees room for a 360mm AIO; an ATX unit must be 140mm or shorter. Its 358mm GPU clearance is the shortest in this group; the D33 leads at 435mm. On largest radiator size it ties with the XR, the Light Base 600 DX, the O11 Vision-M and the D33 at 360mm.
On PSU length limit it trails the group at 140mm, while the XR comes in at 230mm. MATX motherboards is unique to it among these picks, while the Z20 uses micro-ATX motherboards. It also offers two slim 120mm fans and a 360mm AIO when paired with an SFX PSU.
GPU limit in the B4-mATX: 358mm, before front fans. The B4-mATX takes 360mm radiators; mind RAM height. 140mm is the B4-mATX's PSU length cap.
Boards: mATX. On price it sat third of 6, between the cheaper O11 Vision-M and the pricier Z20, at the time of writing.
Key specs
- Max GPU length
- 358mm
- Largest radiator
- 360mm
- Max PSU length
- 140mm
- Volume
- 21.3L
- Fans included
- 2
- Motherboards
- mATX
- PSU type
- SFX, or ATX up to 140mm
Pros
- Fits a 360mm radiator
- A compact 21.3L footprint
- Two slim 120mm fans
- 360mm AIO when paired with an SFX PSU
Cons
- Power supplies are limited to 140mm long
- GPU clearance trails the D33 (435mm)
- No published CPU cooler clearance
The catch
The trade-off is GPU clearance; for more, the D33 comes in at 435mm.
How We Chose These Cases for RTX 5080
Alex Morgan compared the manufacturer specifications, connectivity, warranty terms and compatibility of every pick. Figures come from the makers unless a third-party source is named; we did not test these products ourselves.
- The figures behind the order
- We set side by side six cases on GPU clearance, CPU cooler clearance, largest radiator size and PSU length limit from manufacturer specifications. We did not test them in-house, and CPU cooler clearance and PSU length limit are missing for at least one pick.
- The shared baseline
- All 6, from the XR to the B4-mATX, state GPU clearance and largest radiator size.
- Where the specs have gaps
- The B4-mATX gives no CPU cooler clearance; the Light Base 600 DX, the D33 and the Z20 give no PSU length limit.
- Price range
- At our last check the picks ran from the XR ($50 to $100) to the Light Base 600 DX ($100 to $150).
What to Look for in a Case for RTX 5080
Key buying criteria so you get the right fit the first time.
How much GPU clearance you need
Across these 6 picks GPU clearance spans 358mm (the B4-mATX) to 435mm (the D33). For less, the XR is the runner-up at 420mm ($50 to $100 tier).
Largest radiator size across these picks
Here largest radiator size runs from 240mm on the Z20 to 360mm on the XR, a 50% spread. Start with the XR if largest radiator size decides it.
Cable management behind the motherboard tray of a PC case CPU cooler clearance
Here CPU cooler clearance runs from 162mm on the O11 Vision-M to 175mm on the XR, an 8% spread. The XR is the pick for CPU cooler clearance. The B4-mATX gives no CPU cooler clearance figure, so 5 of 6 picks are compared here.
Fit and compatibility
GPU limit in the XR: 420mm, before front fans. GPU limit in the Light Base 600 DX: 400mm, before front fans. GPU limit in the O11 Vision-M: 410mm, before front fans.
A case interior with a tower cooler and a graphics card installed Features beyond the spec table
The D33: a magnetic front grille. The Z20: 2mm bent steel panels. The B4-mATX: a 360mm AIO when paired with an SFX PSU.
How to Choose a Case for RTX 5080
By priority
| Priority | Consider | Why |
|---|---|---|
| Any RTX 5080, including the longest | XR | 420mm of GPU room and a 230mm PSU limit |
| Glass showcase builds | Light Base 600 DX | 400mm of GPU room with dual radiator support |
| Compact showcase builds | O11 Vision-M | 410mm of GPU room in a dual-chamber mATX case |
| Maximum room for large cards | D33 | 435mm of listed GPU clearance |
| LAN parties and small desks | Z20 | 363mm of GPU room in 20 litres with a carry handle |
| Compact mATX builds | B4-mATX | 358mm of GPU room in 21.3 litres |
Scroll sideways to see every column.
Key specs side by side
The D33 leads on GPU clearance at 435mm, ahead of the XR at 420mm. "Not listed" marks CPU cooler clearance where the B4-mATX leaves the figure out.
| Case | Max GPU length | Max CPU cooler height | Largest radiator | Max PSU length |
|---|---|---|---|---|
| XR | 420mm | 175mm | 360mm | 230mm |
| Light Base 600 DX | 400mm | 170mm | 360mm | Not listed |
| O11 Vision-M | 410mm | 162mm | 360mm | 182mm |
| D33 | 435mm | 172mm | 360mm | Not listed |
| Z20 | 363mm | 163mm | 240mm | Not listed |
| B4-mATX | 358mm | Not listed | 360mm | 140mm |
Scroll sideways to see every column.
By price at the time of writing
At our last check the cheapest pick, the XR, sat in the $50 to $100 tier, 2 tiers in all up to the Light Base 600 DX at $100 to $150; Amazon prices move, so recheck before buying.
| Price tier | Cases |
|---|---|
| About $50 to $100 | XR, O11 Vision-M, B4-mATX, Z20 |
| About $100 to $150 | D33, Light Base 600 DX |
Frequently Asked Questions
Is the D33 ahead of the XR on GPU clearance?
The D33 leads at 435mm, with the XR at 420mm. The B4-mATX closes the ranking at 358mm.
Which has the tallest CPU cooler clearance: the XR or the D33?
The XR tops CPU cooler clearance at 175mm; the D33 follows at 172mm, 2% apart. The spread runs down to the O11 Vision-M at 162mm. No CPU cooler clearance figure is published for the B4-mATX, which leaves 5 of 6 picks ranked here.
Which has the longest PSU length limit: the XR or the O11 Vision-M?
The XR tops PSU length limit at 230mm; the O11 Vision-M follows at 182mm, 26% apart. The B4-mATX is at the other end of this group with 140mm. No PSU length limit figure is published for the Light Base 600 DX, the D33 and the Z20, which leaves 3 of 6 picks ranked here.
Is the Light Base 600 DX worth paying more than the XR?
The Light Base 600 DX matches or trails the XR on GPU clearance, largest radiator size and CPU cooler clearance, so pay more only for a feature the spec sheet doesn't cover. The XR leads on GPU clearance (420mm) and CPU cooler clearance (175mm). The XR sat in the $50 to $100 tier and the Light Base 600 DX in the $100 to $150 tier when we checked, with 4 other picks between them.
What makes the O11 Vision-M the Best Dual-Chamber mATX?
It earns the label for 410mm of GPU room in a dual-chamber mATX case. It gives up GPU clearance (410mm against 420mm) and CPU cooler clearance (162mm against 175mm) to the XR, the cheapest pick. It suits compact showcase builds.
Which of these cases have front USB-C?
The XR, the D33 and the Z20 have it. The makers of the Light Base 600 DX, the O11 Vision-M and the B4-mATX don't state front USB-C, so 3 of 6 picks are covered here.
Bottom Line
The Montech XR fits any RTX 5080 with room to spare and costs little. Pick the Light Base 600 DX for glass, the D33 for the most room, and the Z20 or B4 only after checking your card's length.
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About the author
PC Hardware Editor
Alex covers PC hardware, monitors, components, upgrades and peripherals for The PC Journal, with a focus on helping readers understand specifications, compatibility and meaningful product trade-offs.
Covers: Monitors, Graphics cards, Processors, PC components, Peripherals, Upgrades and compatibility
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