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    Mechanic Master C34 Compact ATX Case with Carry Handle, Portable Desktop Computer Chassis, Supports 240mm Liquid Cooling & ATX PSU, GPU up to 335mm (Moonlight Silver)

    • Moonlight Silver
    • Classic Black
    • Vibrant Yellow
    • Compact & Highly Compatible ATX Design: Its small form factor saves space without sacrificing performance, supporting standard ATX motherboards, full-size ATX power supplies, and graphics cards up to 335mm in length.
    • Built-in Carry Handle for Enhanced Portability: The integrated handle makes it easy to transport your powerful desktop PC to LAN events, between workstations, or simply to rearrange your space with ease.
    • Flexible Cooling Support for Air and Liquid: Accommodate high-performance builds with support for a 240mm liquid cooling radiator. When using air cooling, it fits CPU coolers up to 162mm tall and allows for a larger ATX power supply.
    • Optimized Interior for Easier Building: The internal layout is designed to simplify the installation process. For the cleanest cable management and easiest build experience, using an SFX/L power supply is highly recommended.
    • Attention to Detail & Build Quality: The case features a metal front I/O panel which includes modern ports like a USB 3.0 and a USB Type-C interface, combining functionality with a premium feel.
    🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available
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    Overview
    Specs
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    Any questions? Our AI beta will help you find out quickly.

    C34 Basic Parameters
    Case size

    Three models of C34 comparison

    https://m.media-amazon.com/images/S/aplus-media-library-service-media/d572a4f3-10e6-4d5c-9ea0-313af1834ade.__CR0,0,600,450_PT0_SX300_V1___.jpg

    C34

    https://m.media-amazon.com/images/S/aplus-media-library-service-media/d50a25e4-7162-409c-ab17-b27096bab688.__CR0,0,600,450_PT0_SX300_V1___.jpg

    C34Plus

    https://m.media-amazon.com/images/S/aplus-media-library-service-media/85c1a48c-61d9-45aa-90fe-eaf63cd06c44.__CR0,0,600,450_PT0_SX300_V1___.jpg

    C34Pro

    Compact ATX case

    Maximum support for ATX motherboards (305*249mm)

    Small ATX case + 240 Aio

    Maximum support for ATX motherboards (305*279mm)

    ATX case + 360 Aio

    Maximum support for ATX motherboards (305*279mm)

    Radiator

    162mm height air cooling / 240,280 Aio (only Matx)

    Radiator

    162mm height air cooling / 240,280 Aio (only Matx)

    Radiator

    165mm height air cooling / 240,360,280 Aio (only Matx)

    GPU size

    Within a length of 335mm

    GPU size

    Within a length of 385mm

    GPU size

    At different positions of PSU, the length of GPU is 335/400mm respectively.

    Regarding PSU cables

    Minimal rear cable clearance — SFX/L PSU or custom cables recommended.

    Regarding PSU cables

    Tight rear clearance. Use SFX/L PSU, custom cables, or a shorter GPU.

    Regarding PSU cables

    Rear cable space for flat PSU cables. Use SFX/L if center-mounted

    Recommended configuration

    Low-heat CPUs; mid-range GPUs; more PCIe; portable.

    Recommended configuration

    Larger size; high-end GPUs.

    Recommended configuration

    High-TDP CPUs (360 AIO); smaller PSUs; large GPU compatible.

    ATX with Air cooling

    Recommend ATX 140/150/86mm PSU or smaller SFX/L.

    ATX with 240 Aio

    Only supports ATX 140/150/86mm PSU, RAM height =44.5mm, 240 AiO thickness =55mm. SFX/L recommended.

    M-ATX with 240 Aio

    In 5-slot mode: 240 AiO thickness 25+27+25mm, RAM =44.5mm, SFX/L only.

    M-ATX with 280 Aio

    In 5-slot mode, same as option 2.

    Color
    Dimensions 342 x 182 x 342 mm (L x W x H)
    Motherboard Support ITX, mATX, ATX
    Materials Outer Shell: 2mm Aluminum Alloy,Internal Frame: 1.2mm SPCC Steel
    I/O Panel Metal Power Button (with LED),Audio ,1x TYPE-C (10Gbps),1x USB 3.0
    Weight Net: 4.45KG / Gross: 5.55KG
    PCI-E Slots 7 slots (default), switchable to 5 slots.
    GPU Max length 335mm (reduce by fan thickness when using front fan).
    2.5" Drive Bay 1x on chassis rear (incompatible with 240 AiO setup).
    3.5" Drive Bay 1x on bottom-right of chassis.
    Standard Accessories Removable handle, tempered glass side panel, dust filters, screw box.
    C34 Compact ATX Case
    Case size

    Three models of C34 comparison

    https://m.media-amazon.com/images/S/aplus-media-library-service-media/d572a4f3-10e6-4d5c-9ea0-313af1834ade.__CR0,0,600,450_PT0_SX300_V1___.jpg

    C34

    https://m.media-amazon.com/images/S/aplus-media-library-service-media/d50a25e4-7162-409c-ab17-b27096bab688.__CR0,0,600,450_PT0_SX300_V1___.jpg

    C34Plus

    https://m.media-amazon.com/images/S/aplus-media-library-service-media/85c1a48c-61d9-45aa-90fe-eaf63cd06c44.__CR0,0,600,450_PT0_SX300_V1___.jpg

    C34Pro

    ATX with Air cooling

    Recommend ATX 140/150/86mm PSU or smaller SFX/L.

    ATX with 240 Aio

    Only supports ATX 140/150/86mm PSU, RAM height =44.5mm, 240 AiO thickness =55mm. SFX/L recommended.

    M-ATX with 240 Aio

    In 5-slot mode: 240 AiO thickness 25+27+25mm, RAM =44.5mm, SFX/L only.

    M-ATX with 280 Aio

    In 5-slot mode, same as option 2.

    Color
    Dimensions 342 x 182 x 342 mm (L x W x H)
    Motherboard Support ITX, mATX, ATX
    Materials Outer Shell: 2mm Aluminum Alloy,Internal Frame: 1.2mm SPCC Steel
    I/O Panel Metal Power Button (with LED),Audio ,1x TYPE-C (10Gbps),1x USB 3.0
    Weight Net: 4.45KG / Gross: 5.55KG
    PCI-E Slots 7 slots (default), switchable to 5 slots.
    GPU Max length 335mm (reduce by fan thickness when using front fan).
    2.5" Drive Bay 1x on chassis rear (incompatible with 240 AiO setup).
    3.5" Drive Bay 1x on bottom-right of chassis.
    Standard Accessories Removable handle, tempered glass side panel, dust filters, screw box.

    The Mechanic Master C34 is the latest compact ATX case designed for builders who need powerful performance in a portable form factor. Featuring a built-in carry handle, it's perfect for LAN parties, creators on the move, or anyone with limited desk space. Despite its small footprint, the C34 doesn't compromise on compatibility: it supports standard ATX motherboards, high-performance 240mm liquid cooling radiators, full-size ATX power supplies (up to 160mm depth when using air cooling), and graphics cards up to 335mm long. Its intelligent layout minimizes installation difficulty, and for optimal cable management, we recommend using an SFX/L power supply. Build your dream desktop computer with the versatile and travel-friendly Mechanic Master C34.

    Product information

    BrandMECHANIC MASTER
    Case TypeSlim-Desktop
    Recommended Uses For ProductBusiness, Gaming
    ColorMoonlight Silver
    MaterialAluminum, Stainless Steel, Tempered Glass
    Cooling MethodAir, Water
    Model NameC34
    Item Weight4.4 Kilograms
    Product Dimensions13.46"D x 7.28"W x 13.46"H
    Special FeatureDust Filter
    SeriesC34
    Item Dimensions LxWxH13.46 x 7.28 x 13.46 inches
    ManufacturerMechanic Master
    Date First AvailableNovember 6, 2025

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