Buying Guide
The Best PC Cases for Water Cooling
Five PC cases ranked on GPU clearance and CPU cooler clearance, where the O11 Vision-M has the longest GPU clearance; the AURA GC1 ELITE is the cheapest route in.
By The PC Journal editorial team
12 min read5 products evaluated
Water cooling needs radiator space at the front or top and room for tubing. Every pick fits a 360mm radiator or larger, ordered from the lowest price.
We ranked these PC cases on max GPU length, max CPU cooler height and largest radiator using manufacturer specifications; where a maker leaves out max GPU length, we say so rather than guess, since we have not benched them.
Quick Picks
Our 5 recommendations at a glance. Tap a pick for the full verdict.

Lowest Price Here
GAMDIAS AURA GC1 ELITE ARGB
The lowest price among these PC cases at the time of writing.
Best for: Getting four 120mm ARGB fans behind a mesh front for the least money.
Our take Check price for GAMDIAS AURA GC1 ELITE ARGB (opens in a new tab)

Also Consider
ASUS A31
BTF hidden-connector motherboard support.
Best for: Buyers who want BTF hidden-connector motherboard support.

Strong Alternative
CORSAIR 3200D RS
A built-in GPU anti-sag arm.
Best for: Buyers who want built-in GPU anti-sag arm.
Our take Check price for CORSAIR 3200D RS (opens in a new tab)

Longest GPU Clearance
Lian Li O11 Vision-M
The longest GPU clearance here (410mm).
Best for: Buyers who put GPU clearance first.
Our take Check price for Lian Li O11 Vision-M (opens in a new tab)

Premium Pick
Lian Li B4-mATX (Mesh)
Two slim 120mm fans at the highest price in the group.
Best for: Buyers for whom price is not the deciding factor.
Our take Check price for Lian Li B4-mATX (Mesh) (opens in a new tab)
| Pick | Why it’s here | Best for | Price |
|---|---|---|---|
![]() | The lowest price among these PC cases at the time of writing. | Getting four 120mm ARGB fans behind a mesh front for the least money. | Check price for GAMDIAS AURA GC1 ELITE ARGB (opens in a new tab) |
![]() | BTF hidden-connector motherboard support. | Buyers who want BTF hidden-connector motherboard support. | Check price for ASUS A31 (opens in a new tab) |
![]() | A built-in GPU anti-sag arm. | Buyers who want built-in GPU anti-sag arm. | Check price for CORSAIR 3200D RS (opens in a new tab) |
![]() | The longest GPU clearance here (410mm). | Buyers who put GPU clearance first. | Check price for Lian Li O11 Vision-M (opens in a new tab) |
![]() | Two slim 120mm fans at the highest price in the group. | Buyers for whom price is not the deciding factor. | Check price for Lian Li B4-mATX (Mesh) (opens in a new tab) |
Our Picks
Lowest Price Here1 of 5
GAMDIAS AURA GC1 ELITE ARGB on Amazon (opens in a new tab)
GAMDIAS's AURA GC1 ELITE puts four ARGB fans behind a mesh front for under $60 at the time of writing.
Best for
- Getting four 120mm ARGB fans behind a mesh front for the least money.
Skip if
- Skip it if GPU clearance matters most to you; the O11 Vision-M offers 410mm.
Why we like it
It fits 340mm cards and a 360mm radiator. Its mesh front holds four ARGB fans out of the box, and a full tempered glass side shows the build. It is a budget airflow case.
Its 340mm GPU clearance is the shortest in this group; the O11 Vision-M leads at 410mm. You also get a tool-free glass side panel. GPU limit in the AURA GC1 ELITE: 340mm, before front fans.
Coolers: 160mm maximum. The AURA GC1 ELITE takes 360mm radiators; mind RAM height. It also brings 4 fans included. It was the cheapest of the group when we checked; the A31 was the next step up.
Key dimensions & specs
- Max GPU length: 340mm
- Max CPU cooler height: 160mm
- Largest radiator: 360mm
- Fans included: 4
- Glass: Tempered glass side
Pros
- Fits a 360mm radiator
- 4 fans included
- Tempered glass side
- Four 120mm ARGB fans behind a mesh front
Cons
- GPU clearance trails the O11 Vision-M (410mm)
Also Consider2 of 5
ASUS A31 on Amazon (opens in a new tab)
The A31 is built for ASUS BTF motherboards, which hide their connectors on the back, and it has glass on both sides.
Best for
- Buyers who want BTF hidden-connector motherboard support.
Skip if
- The maker gives no GPU clearance, so look elsewhere if that figure decides it for you.
Why we like it
It has support for 360mm AIOs but does not state an included fan count. It fits 360mm AIOs and flagship graphics cards in a mainstream ATX size. Dual glass panels with no corner pillar give a clear view.
It also comes with BTF hidden-connector motherboard support, up to 80mm of AIO clearance and an 8-degree angled base. Confirm GPU length for the A31 with its maker. The A31 takes 360mm radiators; mind RAM height.
Its price falls between the AURA GC1 ELITE and the 3200D RS, based on our last check. Buyers who need a confirmed GPU clearance should compare it with the O11 Vision-M, which comes in at 410mm.
Key dimensions & specs
- Largest radiator: 360mm
- Glass: Dual-sided tempered glass
Pros
- Fits a 360mm radiator
- Dual-sided tempered glass
- BTF hidden-connector motherboard support
- Up to 80mm of AIO clearance
Cons
- No published GPU clearance
- Costs more than the AURA GC1 ELITE at the time of writing
Strong Alternative3 of 5
CORSAIR 3200D RS on Amazon (opens in a new tab)
The 3200D RS is Corsair's lowest-cost mid-tower here, yet it has a front USB-C port, three ARGB fans and a GPU support arm.
Best for
- Buyers who want built-in GPU anti-sag arm.
Skip if
- The maker gives no GPU clearance, so look elsewhere if that figure decides it for you.
Why we like it
Radiators up to 360mm fit in the roof. It has room for nine 120mm fans with three RS120 ARGB fans included, plus a shroud and plenty of tie-down points. It suits a first build.
Reversible panels and a built-in shroud keep cables out of sight. It takes a 360mm radiator at the top. Confirm GPU length for the 3200D RS with its maker.
The 3200D RS takes 360mm radiators; mind RAM height. Its price falls between the A31 and the O11 Vision-M, based on our last check. Buyers who need a confirmed GPU clearance should compare it with the O11 Vision-M, which comes in at 410mm.
Key dimensions & specs
- Largest radiator: 360mm
- Fans included: 3
- Front USB-C: Yes
Pros
- Fits a 360mm radiator
- 3 fans included
- A front USB-C port
- Built-in GPU anti-sag arm
Cons
- No published GPU clearance
- Costs more than the AURA GC1 ELITE at the time of writing
Longest GPU Clearance4 of 5
Lian Li O11 Vision-M on Amazon (opens in a new tab)
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
- Buyers who put GPU clearance first.
Skip if
- Choose another pick if you can't accept this: 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 leads this guide at 410mm, ahead of the B4-mATX (358mm). It also comes with a pre-installed 140mm PWM fan in the second chamber.
GPU limit in the O11 Vision-M: 410mm, before front fans. Coolers: 162mm maximum. The O11 Vision-M takes 360mm radiators; mind RAM height.
182mm is the O11 Vision-M's PSU length cap. It also brings room for graphics cards up to 410mm long. On price it sat fourth of 5, between the cheaper 3200D RS and the pricier B4-mATX, at the time of writing.
Key dimensions & 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
- Costs more than the AURA GC1 ELITE at the time of writing
Premium Pick5 of 5
Lian Li B4-mATX (Mesh) on Amazon (opens in a new tab)
The B4-mATX is the smallest case here at 21.3 litres and still takes a 358mm graphics card.
Best for
- Buyers for whom price is not the deciding factor.
Skip if
- Skip it if this is a deal-breaker for you: 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. On GPU clearance it sits mid-pack at 358mm: the O11 Vision-M comes in at 410mm, and the AURA GC1 ELITE comes in at 340mm. You also get 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. Only the O11 Vision-M came close to it on price at the time of writing; it cost the most of the 5 picks. There is no published CPU cooler clearance figure, whereas the O11 Vision-M comes in at 162mm.
Key dimensions & 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
- Costs more than the AURA GC1 ELITE at the time of writing
How We Chose These PC Cases for Water Cooling
Each pick was assessed across 4 criteria weighted for real-world use.
- Size
- We noted motherboard support and, where the maker states it, the case volume.
- Hardware fit
- We compared listed GPU length, CPU cooler height and power supply limits.
- Build features
- We recorded front USB-C, glass panels and layout features such as dual chambers.
- Cooling layout
- We checked radiator sizes and positions, fan mounts and how many fans come in the box.
What to Look for in a PC Case for Water Cooling
Key buying criteria so you get the right fit the first time.
Match cooler height to the case
Every case offers a maximum CPU air cooler height. Tall dual-tower coolers need about 160mm to 170mm; small cases may take only a low-profile cooler or an AIO.
Mesh fronts and included fans
Mesh or perforated front panels breathe more easily than solid or glass fronts. Included fans save money; a case with none needs at least two or three before it is ready to use.
Check motherboard size and connector layout
Mini-ITX, Micro-ATX and ATX boards need matching cases. Back-connect boards, which put their connectors on the rear, need a case with cutouts for them.
Check GPU length and thickness
Large graphics cards run past 330mm and take three or four slots. Compare your card with the case's GPU length figure, and note that front fans or a front radiator often cut it.
Vertical mounts need a riser cable and more width.
Confirm the power supply format
Most mid-towers take ATX power supplies, often with a length limit. Small cases may need SFX or SFX-L units, which cost more at the same wattage.
Plan radiator positions early
A case may list a 360mm radiator only at the front or only on top. Top mounts must clear the motherboard heatsinks and tall RAM, and front mounts can shorten the GPU limit.
How to Choose a PC Case for Water Cooling
By priority
| Priority | Consider | Why |
|---|---|---|
| Getting four 120mm ARGB fans behind a mesh front for the least money | AURA GC1 ELITE | The lowest price among these PC cases at the time of writing |
| Buyers who want BTF hidden-connector motherboard support | A31 | BTF hidden-connector motherboard support |
| Buyers who want built-in GPU anti-sag arm | 3200D RS | A built-in GPU anti-sag arm |
| Buyers who put GPU clearance first | O11 Vision-M | The longest GPU clearance here (410mm) |
| Buyers for whom price is not the deciding factor | B4-mATX | Two slim 120mm fans at the highest price in the group |
Scroll sideways to see every column.
Key specs side by side
Figures as each maker states them.
| Case | Max GPU length | Max CPU cooler height | Largest radiator | Max PSU length |
|---|---|---|---|---|
| AURA GC1 ELITE | 340mm | 160mm | 360mm | Not listed |
| A31 | Not listed | Not listed | 360mm | Not listed |
| 3200D RS | Not listed | Not listed | 360mm | Not listed |
| O11 Vision-M | 410mm | 162mm | 360mm | 182mm |
| B4-mATX | 358mm | Not listed | 360mm | 140mm |
Scroll sideways to see every column.
Frequently Asked Questions
Which pick leads on GPU clearance?
The O11 Vision-M, at 410mm. The B4-mATX follows at 358mm, while the AURA GC1 ELITE has 340mm.
Which pick costs the least here?
At our last price check the AURA GC1 ELITE was the cheapest pick and the B4-mATX the most expensive; the A31 was the next step up from the AURA GC1 ELITE.
Does a glass front make a PC run hotter?
It can, when air has to enter through narrow gaps. Glass-front cases that take air from the side or bottom avoid most of that penalty.
How many case fans do I need?
Two intakes and one exhaust suit most builds. Add more for a hot graphics card or when a radiator sits in an intake position.
Do I need a full tower?
Only for very large radiators, E-ATX boards, custom loops or many drives. A good mid-tower fits most gaming builds, including large graphics cards.
Bottom Line
Our first pick is the AURA GC1 ELITE, chosen for the lowest price among these PC cases at the time of writing. Look at the A31 for BTF hidden-connector motherboard support, the 3200D RS for a built-in GPU anti-sag arm and the O11 Vision-M for the longest GPU clearance here (410mm) if those matter more to you.
Top-mounted radiators should exhaust; a front radiator should draw air in.
