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Compact black Micro ATX case with aluminum shell tempered glass side panel

Mechanic master

Mechanic master C+Max MATX PC case

SKU CH-WNBJ-7TDMD

Compact Micro-ATX aluminium chassis supporting 385mm GPUs, 240mm AIOs and standard ATX 14cm power supplies

  • Motherboard CompatibilityMicro ATX
  • Power Supply MountedTop
  • ColorBlack
  • Case MaterialAluminum / Tempered Glass/SPCC
  • TypeMicro ATX / Mini-ITX
  • With Power SupplyNo

Options Black

  • Black
  • Silver

Struck-through versions exist but are not stocked here.

  • Fits graphics cards up to 385 mm for high-end GPU builds
  • Supports 240 mm AIO cooling with RAM under 44 mm height
  • Accepts standard ATX 140 mm PSU for flexible power options
  • Includes bracket for one 3.5 inch drive or 120 mm fan beside PSU
  • Aluminum shell with SPCC frame weighs 4.2 kg for light yet rigid chassis

Compact MATX aluminium chassis

The Mechanic Master C+Max is a Micro-ATX case built from an aluminium shell and SPCC frame with a tempered glass side panel. It targets builders who want a small footprint without giving up full-length graphics cards or liquid cooling. The chassis weighs 4.2kg and accepts motherboards up to 245 by 245mm.

Top-mounted ATX 14cm PSU support

A unique upgrade over the regular C28 model lets you install a standard ATX power supply up to 140 by 150 by 86mm, though SFX or SFX-L units are recommended for easier cable routing. The flexible bracket beside the PSU mounts either a 3.5-inch drive or a 120mm fan. A 240mm AIO fits in the roof provided RAM height stays under 44mm.

Replaces smaller MATX cases limited to SFX power

The C+Max removes the PSU bottleneck found in compact builds that only accept SFX units, while still fitting GPUs up to 385mm long and CPU coolers up to 162mm tall. The jump is worth it when you need ATX power headroom for high-end hardware such as Ryzen 9 9800X3D and RTX 5090 configurations. Buyers who need 360mm radiator support or multiple 3.5-inch drives should look elsewhere.

Highlights

  • Fits graphics cards up to 385 mm for high-end GPU builds
  • Supports 240 mm AIO cooling with RAM under 44 mm height
  • Accepts standard ATX 140 mm PSU for flexible power options
  • Includes bracket for one 3.5 inch drive or 120 mm fan beside PSU
  • Aluminum shell with SPCC frame weighs 4.2 kg for light yet rigid chassis

Specifications

Motherboard CompatibilityMicro ATX
Power Supply MountedTop
ColorBlack
Case MaterialAluminum / Tempered Glass/SPCC
TypeMicro ATX / Mini-ITX
With Power SupplyNo
Side Panel1 x Side Tempered Glass Panel
Max GPU Length385 mm
Max CPU Cooler Height162 mm
Max PSU Length140 mm
Weight4.2kg

Questions about this item

What GPU length does the 385mm limit actually allow for a 240mm AIO build?

The case fits graphics cards up to 385mm long; when a 240mm AIO is mounted the RAM height must stay at or below 44mm.

Which power-supply form factors fit the top-mounted bracket?

The bracket accepts SFX, SFX-L and standard ATX units up to 140mm long, 150mm wide and 86mm high.

How do you install the flexible storage/cooling bracket beside the PSU?

Remove the bracket, choose either a 3.5in drive or a 120mm fan, secure it with the supplied screws, then refit the bracket before mounting the power supply.

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