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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

  • Max graphics card length385 mm
  • Supported motherboard sizesMicro ATX
  • Power supply mountingTop
  • Housing materialAluminum / Tempered Glass/SPCC
  • Side panel type1 x Side Tempered Glass Panel
  • CPU cooler height limit162 mm

Color Black

  • 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.

How it compares

Measured against everything we stock in Tower & Desktop PC Cases, at today’s prices. Recalculated every night.

Price $150.99
Pricier than about 71% of the 1,468 comparable items (median $100.99).
Max graphics card length 385 mm
Lower than about 60% of the 894 comparable items (median 400 mm).

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Specifications

Product
Product colorBlack
Product typeMicro ATX / Mini-ITX
Power
Power supply includedNo
Size & build
Max graphics card length385 mm
Power supply mountingTop
Housing materialAluminum / Tempered Glass/SPCC
Side panel type1 x Side Tempered Glass Panel
Product weight4.2kg
Compatibility
Supported motherboard sizesMicro ATX
CPU cooler height limit162 mm
PSU length limit140 mm

Other versions of this model

2 more in the same range

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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