The Phanteks XT M3 impresses with its space-saving design while still offering more than enough room for high-end components. Thanks to efficient cooling and tidy cable management, this case is ideal for everyone – from casual gamers to hardware enthusiasts.
- Compact size: Space-saving case for high-end hardware
- Efficient cooling: Room for up to nine fans
- Large radiator support: Can accommodate a 360mm radiator on the top panel
- Clean build: Space for tidy cable management
- Back-connect support: Compatible with motherboards featuring back-connect design
The Phanteks XT M3: Slim Mini Case for Your Gaming Setup
Show off your gaming hardware with the Phanteks XT M3 – a compact SFF case built for big ambitions. Compatible with high-end graphics cards and motherboards with back-connect design, this tower is ready for your modern setup.

Efficient Cooling With Fans and Radiator
The Phanteks case supports the installation of up to nine fans, keeping your build cool even under full load. Three fans can be mounted on the bottom panel, directly beneath the graphics card, providing extra cooling for your GPU.
Additionally, a 360mm radiator can be installed on the top panel if you prefer liquid cooling.
Besides fans and radiator support, the mesh front panel ensures excellent airflow, helping to prevent heat build-up inside the case.
Your New Gaming PC With Clean Cable Management
Neatly routing cables isn’t always easy – but with the Phanteks XT M3, cable management is a breeze. Cut-outs placed exactly where you need them make it simple to keep your build looking clean. Combined with support for motherboards featuring back-connect design, you’ll achieve a tidy build that not only looks great but also improves airflow.
Mini-ITX Case Built for Powerful Hardware
Even a large graphics card fits with ease – the case supports GPUs up to 430mm in length. Just note: front fan installation isn’t possible if you use the full GPU length. The CPU cooler should not exceed 175mm in height, and the power supply should be no longer than 150mm.
Colour
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Primary Colour
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Black
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Dimensions
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|
Length / Depth
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460 mm
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Width
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235 mm
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Height
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370 mm
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Weight
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5.5 kg
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Case
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|
Case Type
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Mini Case
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Motherboard Support
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|
Compatible Motherboard Formats
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Micro-ATX, Mini-ITX
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Max. Motherboard Format
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Micro-ATX
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Internal Dimensions
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Max. CPU Cooler Height
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175 mm
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Max. GPU Length
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430 mm
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Max. PSU Length / Depth
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150 mm
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Display
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Display Included
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No
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Power Supply
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PSU included
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No
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PSU Format
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ATX
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Power Supply Position
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rear bottom
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Fan Support
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|
Max. Number of Fans
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9
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Radiator Support
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|
Max. Radiator Compatibility
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1x Triple (360 mm)
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Drive Bays
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Max. 2.5 Inch Drives
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2
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Max. 3.5 Inch Drives
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1
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Max. 5.25 Inch Drives
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0
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Hot swap drive bays
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No
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External Ports
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USB 3.2 (external) Type C
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1
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USB 3.0 (external) Type A
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1
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Audio outputs & inputs
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1x output / input comb. (3.5 mm jack, 4-pin, TRRS)
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Card reader
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No
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Case Features
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|
I/O position
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Front
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Side panel
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with window
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Vertical GPU Mount
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No
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Adjustable Vertical GPU Bracket
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No
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Riser Cable Included
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No
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Front door
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No
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Cable Management
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Yes
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Filters Included
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Yes
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Noise dampening
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No
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Mainboard slide / tray
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No
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Transport System
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No
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Back Connect
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|
Back Connect
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Yes
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Back-Connect Compatibility
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ASUS BTF, MSI Project Zero
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Expansion Slots
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|
Expansion slots / PCI slots
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4
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Features
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|
Housing Feedthrough
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No
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Compatibility
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|
Compatibility Note
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Please refer to the manufacturer's compatibility information. You can find the latest overview on the manufacturer's website.
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Fan Header
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|
Fan Controller / Fan Hub
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No
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Mounting
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|
Case VESA Mountable
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No
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Internal Monitor Mount
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No
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Materials
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|
Materials
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ABS, Steel, Tempered Glass
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Lighting
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|
Lighting / RGB
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Yes
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RGB Type
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ARGB / DRGB
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Additional Contents
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|
Included fans
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3x 120 mm
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Manufacturer Information | Axpertec B.V. Sydneystraat 33, 3047 BP, Rotterdam, Niederlande [email protected] |
Responsible Person | Axpertec B.V. Sydneystraat 33, 3047 BP, Rotterdam, Niederlande [email protected] |