Buying Guide
The Best PC Cases for Machine Learning
From the XR White to the Light Base 600 DX: five PC cases ranked on GPU clearance and CPU cooler clearance, with who should skip each one.
By Alex Morgan, PC Hardware Editor
12 min read5 products evaluated

Machine learning builds need room for a long GPU and, often, an E-ATX board. Every pick supports E-ATX or a GPU of 400mm or longer.
Our comparison rests on published figures for max GPU length, max CPU cooler height and largest radiator; nothing here was tested in-house, and where a maker leaves out max CPU cooler height, we say so.
Quick Picks
Which of the 5 picks to look at first. Tap a name for the full analysis.

Longest GPU Clearance
JONSBO D33The longest GPU clearance here (435mm).
Best for: Buyers who put GPU clearance first.
Check price for JONSBO D33 on Amazon (opens in a new tab)
Tallest CPU Cooler Clearance
Montech XR WhiteThe tallest CPU cooler clearance here (175mm).
Best for: Buyers who put CPU cooler clearance first.
Check price for Montech XR White on Amazon (opens in a new tab)
Also Consider
Lian Li A3-mATX (Wood)Front or side PSU mounting.
Best for: Buyers who want front or side PSU mounting.
Check price for Lian Li A3-mATX (Wood) on Amazon (opens in a new tab)
Strong Alternative
Lian Li LANCOOL 207 WhiteA white finish.
Best for: Buyers who want white finish.
Check price for Lian Li LANCOOL 207 White on Amazon (opens in a new tab)
Premium Pick
be quiet! Light Base 600 DXThe top of this price range, adding dual 360mm plus 240mm radiator support.
Best for: Spending more than the D33 costs for the fullest feature set in this group.
Check price for be quiet! Light Base 600 DX on Amazon (opens in a new tab)
| Pick | Why it stands out | Best for | Check price |
|---|---|---|---|
![]() | The longest GPU clearance here (435mm). | Buyers who put GPU clearance first. | Check price for JONSBO D33 on Amazon (opens in a new tab) |
![]() | The tallest CPU cooler clearance here (175mm). | Buyers who put CPU cooler clearance first. | Check price for Montech XR White on Amazon (opens in a new tab) |
![]() | Front or side PSU mounting. | Buyers who want front or side PSU mounting. | Check price for Lian Li A3-mATX (Wood) on Amazon (opens in a new tab) |
![]() | A white finish. | Buyers who want white finish. | Check price for Lian Li LANCOOL 207 White on Amazon (opens in a new tab) |
![]() | The top of this price range, adding dual 360mm plus 240mm radiator support. | Spending more than the D33 costs for the fullest feature set in this group. | Check price for be quiet! Light Base 600 DX on Amazon (opens in a new tab) |
Our Picks
Longest GPU Clearance1 of 5
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
- Buyers who put GPU clearance first.
Skip if
- Skip it if price comes first: the XR White cost less when we checked.
Why we like it
It also takes back-connect mATX BTF boards and has a front USB-C port. On GPU clearance it leads this guide at 435mm, ahead of the XR White (420mm). On CPU cooler clearance it sits mid-pack at 172mm: the XR White comes in at 175mm, and the Light Base 600 DX comes in at 170mm.
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. When we checked, only the Lancool 207 White and cheaper picks cost less, and the Light Base 600 DX cost more.
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
- Costs more than the XR White at the time of writing
Tallest CPU Cooler Clearance2 of 5
Montech XR White
The white XR keeps the black model's clearances: 420mm for the graphics card, 175mm for a tower cooler and 230mm for the power supply.
Best for
- Buyers who put CPU cooler clearance first.
Skip if
- Pass if a published largest radiator size matters; this one has none.
Why we like it
Three fans come in the box, behind panoramic front and side glass. USB-C and two USB 3.0 ports sit on the front, and magnetic filters at the top, side and bottom lift off for cleaning. Five ARGB fans come installed.
On GPU clearance it sits mid-pack at 420mm: the D33 comes in at 435mm, and the Light Base 600 DX comes in at 400mm. Nothing else here matches its 175mm CPU cooler clearance; the D33 comes closest at 172mm. You also get a white chassis with a wood-grain I/O accent.
GPU limit in the XR White: 420mm, before front fans. 230mm is the XR White's PSU length cap. It cost the least of the 5 picks at the time of writing, with the A3-mATX the next step up.
Key specs
- Max GPU length
- 420mm
- Max CPU cooler height
- 175mm
- Max PSU length
- 230mm
- Fans included
- 3
- Glass
- Panoramic front and side glass
Pros
- Room for graphics cards up to 420mm long
- Takes tower air coolers up to 175mm tall
- 3 fans included
- Panoramic front and side glass
Cons
- No published largest radiator size
The catch
There is no published largest radiator size figure, whereas the D33 comes in at 360mm.
Also Consider3 of 5
Lian Li A3-mATX (Wood)
The A3-mATX fits a 415mm graphics card and a 360mm radiator into 26.3 litres, and the power supply can sit at the front or the side.
Best for
- Buyers who want front or side PSU mounting.
Skip if
- Pass if a published CPU cooler clearance matters; this one has none.
Why we like it
ATX, SFX and SFX-L units are all listed. On GPU clearance it sits mid-pack at 415mm: the D33 comes in at 435mm, and the Light Base 600 DX comes in at 400mm. It also comes with mounts for up to ten 120mm fans, a wood front with steel mesh panels and four expansion slots.
GPU limit in the A3-mATX: 415mm, before front fans. The A3-mATX takes 360mm radiators; mind RAM height. Boards: mATX, ITX.
Before buying, weigh one limit: no published CPU cooler clearance. It was priced above the XR White and below the Lancool 207 White at the time of writing.
Key specs
- Max GPU length
- 415mm
- Largest radiator
- 360mm
- Volume
- 26.3L
- Motherboards
- mATX, ITX
- PSU type
- ATX, SFX or SFX-L
Pros
- Room for graphics cards up to 415mm long
- Fits a 360mm radiator
- Front or side PSU mounting
- Mounts for up to ten 120mm fans
Cons
- No published CPU cooler clearance
- Costs more than the XR White at the time of writing
The catch
There is no published CPU cooler clearance figure, whereas the XR White comes in at 175mm.
Strong Alternative4 of 5
Lian Li LANCOOL 207 White
The Lancool 207 White fits an ATX board in a compact frame by recessing the motherboard tray.
Best for
- Buyers who want white finish.
Skip if
- Pass if a published CPU cooler clearance matters; this one has none.
Why we like it
It includes four fans, two of them 140mm ARGB fans with infinity mirrors, and takes 410mm cards. The PSU sits at the front with its ports facing out, and a pre-installed anti-sag bracket supports heavy GPUs. Two bottom fans feed the graphics card directly.
It is Micro-ATX sized but takes ATX boards and a 360mm radiator on top. On GPU clearance it sits mid-pack at 410mm: the D33 comes in at 435mm, and the Light Base 600 DX comes in at 400mm. GPU limit in the Lancool 207 White: 410mm, before front fans.
The Lancool 207 White takes 360mm radiators; mind RAM height. There is no published CPU cooler clearance figure, whereas the XR White comes in at 175mm.
Key specs
- Max GPU length
- 410mm
- Largest radiator
- 360mm
- Fans included
- 4
- Motherboards
- ATX
Pros
- Room for graphics cards up to 410mm long
- Fits a 360mm radiator
- 4 fans included
- White finish
Cons
- No published CPU cooler clearance
- Costs more than the XR White at the time of writing
Premium Pick5 of 5
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
- Spending more than the D33 costs for the fullest feature set in this group.
Skip if
- Skip it if GPU clearance matters most to you; the D33 offers 435mm.
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 is the shortest in this group; the D33 leads at 435mm.
Its 170mm CPU cooler clearance is the shortest in this group; the XR White leads at 175mm. 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 highest-priced of the 5 picks at the time of writing, so the case for it rests on what it adds over the D33 and the rest.
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
- GPU clearance trails the D33 (435mm)
- CPU cooler clearance trails the XR White (175mm)
- Costs more than the XR White at the time of writing
The catch
The trade-off is GPU clearance; for more, the D33 comes in at 435mm.
How We Chose These PC Cases for Machine Learning
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.

- How these picks were ranked
- We compared five cases on GPU clearance, CPU cooler clearance, largest radiator size and fans included, using each maker's published specs. These are research figures, not bench results: 2 of 5 picks leave out CPU cooler clearance.
- The shared baseline
- All 5, from the D33 to the Light Base 600 DX, state GPU clearance.
- Where the specs have gaps
- The A3-mATX and the Lancool 207 White give no CPU cooler clearance; the XR White gives no largest radiator size.
- Price range
- At our last check the picks ran from the XR White ($50 to $100) to the Light Base 600 DX ($100 to $150).
What to Look for in a PC Case for Machine Learning
Key buying criteria so you get the right fit the first time.
GPU clearance across these picks
Across these 5 picks GPU clearance spans 400mm (the Light Base 600 DX) to 435mm (the D33). For less, the XR White is the runner-up at 420mm ($50 to $100 tier).
CPU cooler clearance
Here CPU cooler clearance runs from 170mm on the Light Base 600 DX to 175mm on the XR White, a 3% spread. The XR White is the pick for CPU cooler clearance. The A3-mATX and the Lancool 207 White give no CPU cooler clearance figure, so 3 of 5 picks are compared here.

An open case with the motherboard installed and the side panel off What to check at home
GPU limit in the D33: 435mm, before front fans. GPU limit in the XR White: 420mm, before front fans. GPU limit in the A3-mATX: 415mm, before front fans.
Features beyond the spec table
The A3-mATX: mounts for up to ten 120mm fans. The Lancool 207 White: two 140mm ARGB front fans with infinity mirrors. The Light Base 600 DX: a GPU anti-sag bracket.

A glass-panel PC case with lit fans on a desk Where your budget lands
$50 to $100 buys the XR White, the A3-mATX and the Lancool 207 White; $100 to $150 buys the D33 and the Light Base 600 DX at our last check.
How to Choose a PC Case for Machine Learning
By priority
| Priority | Consider | Why |
|---|---|---|
| Buyers who put GPU clearance first | D33 | The longest GPU clearance here (435mm) |
| Buyers who put CPU cooler clearance first | XR White | The tallest CPU cooler clearance here (175mm) |
| Buyers who want front or side PSU mounting | A3-mATX | Front or side PSU mounting |
| Buyers who want white finish | Lancool 207 White | A white finish |
| Spending more than the D33 costs for the fullest feature set in this group | Light Base 600 DX | The top of this price range, adding dual 360mm plus 240mm radiator support |
Scroll sideways to see every column.

Key specs side by side
The D33 leads on GPU clearance at 435mm, ahead of the XR White at 420mm. "Not listed" marks CPU cooler clearance where the A3-mATX and the Lancool 207 White leave the figure out.
| Case | Max GPU length | Max CPU cooler height | Largest radiator | Fans included |
|---|---|---|---|---|
| D33 | 435mm | 172mm | 360mm | Not listed |
| XR White | 420mm | 175mm | Not listed | 3 |
| A3-mATX | 415mm | Not listed | 360mm | Not listed |
| Lancool 207 White | 410mm | Not listed | 360mm | 4 |
| Light Base 600 DX | 400mm | 170mm | 360mm | Not listed |
Scroll sideways to see every column.
By price at the time of writing
At our last check the cheapest pick, the XR White, 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 White, A3-mATX, Lancool 207 White |
| About $100 to $150 | D33, Light Base 600 DX |

Frequently Asked Questions

Which has the longest GPU clearance: the D33 or the XR White?
The D33 tops GPU clearance at 435mm; the XR White follows at 420mm, 4% apart. The Light Base 600 DX closes the ranking at 400mm.
How does the D33 compare with the XR White on CPU cooler clearance?
Between the top two, it is 175mm on the XR White against 172mm on the D33, a 2% difference. The spread runs down to the Light Base 600 DX at 170mm. No CPU cooler clearance figure is published for the A3-mATX and the Lancool 207 White, which leaves 3 of 5 picks ranked here.
Is the Light Base 600 DX worth paying more than the XR White?
The Light Base 600 DX matches or trails the XR White on GPU clearance and CPU cooler clearance, so pay more only for a feature the spec sheet doesn't cover. The XR White leads on GPU clearance (420mm) and CPU cooler clearance (175mm). The XR White sat in the $50 to $100 tier and the Light Base 600 DX in the $100 to $150 tier when we checked, with 3 other picks between them.
What makes the D33 the Longest GPU Clearance?
It earns the label for the longest GPU clearance here (435mm). The XR White is next on GPU clearance at 420mm, so this pick's 435mm is 4% further out. It gives up CPU cooler clearance (172mm against 175mm) to the XR White, the cheapest pick. It makes sense for anyone who puts GPU clearance first.
What should I check before buying the D33?
GPU limit in the D33: 435mm, before front fans. The D33 takes 360mm radiators; mind RAM height. In this guide it ranks first of 5, as our Longest GPU Clearance pick, and first of 5 on GPU clearance (435mm).
Beyond the specs, what sets the D33 and the XR White apart?
The D33: nine fan positions. The XR White: two reverse-blade ARGB side fans. The A3-mATX: front or side PSU mounting.
Bottom Line
Our first pick is the D33, chosen for the longest GPU clearance here (435mm). Look at the XR White for the tallest CPU cooler clearance here (175mm), the A3-mATX for front or side PSU mounting and the Lancool 207 White for a white finish if those matter more to you.
Keep intake and exhaust balanced; long GPU jobs run for hours.
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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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