Cooler Master Master Frame 400 Mesh Premium open-frame Micro-ATX case, Pre-installed Rear Fan 1x SickleFlow 120 mm ARGB Black
Couldn't load pickup availability
- SKU MF400M-KHNN-S00
Do you have questions about this product?
Help your customers identify what payments are accepted by your store.
Compact Power, No Compromise.
MasterFrame 400 Mesh
Premium open-frame Micro-ATX case designed for compact performance builds, efficient airflow, and refined structural design inspired by the FreeForm 2.0 platform.
MasterFrame 400 Mesh
The MasterFrame 400 Mesh is a premium open-frame compact chassis crafted for Micro-ATX and Mini-ITX platforms. Embracing the FreeForm 2.0 design philosophy, it features a precision aluminum frame, dual-orientation support, and enhanced mesh airflow. With premium aesthetics and performance-grade clearance, it empowers creators and builders to push compact PC design further.
Pre-installed Rear Fan
1x SickleFlow 120 mm ARGB Black
Extensive fan support
up to 9 fans, including 200 mm options on front and bottom
Supports Mini-ITX and Micro-ATX motherboards
Radiator support
up to 360 mm at the top
Tempered glass side panel
USB 3.2 Gen 2x2 Type-C
The exposed aluminum frame supports versatile positioning and adapts seamlessly to both vertical and horizontal layouts.
Stand it tall, lay it flat, or flip it sideways. Detachable feet and a smart, adaptable design make it easy to fit any workspace or creative setup.
*Vertical orientation may require additional accessories or adapters depending on component layout, connector clearance, or cable routing.
Compact Motherboard Compatibility
Supports Mini-ITX and Micro-ATX motherboards, delivering optimal compatibility for compact, high-performance builds without compromising cooling or component clearance.
Ample GPU Clearance
Accommodates graphics cards up to 390mm in length, providing full compatibility for high-end GPUs and future upgrades.
Extensive Cooling Support
Supports up to nine fans, including 200 mm fans compatibility, plus top-mounted 360 mm radiators for superior airflow in a compact build.
*200 mm fan support varies by location and fan thickness.
)

TOOL-FREE PANEL REMOVAL
Easily remove side panels without tools for quick access and modifications during build or upgrades.
)

INCLUDED GPU SUPPORT BRACKET
The included GPU support bracket prevents GPU sag and ensures stability during intense gaming or high-performance workloads, maintaining a clean and secure build.
MODERN FRONT I/O
Stay connected and ready for anything—MasterFrame 400 Mesh features USB 3.2 Gen 2x2 Type-C, dual USB 3.2 Gen 1 Type-A, and a combo audio jack for ultra-fast data, charging, and seamless peripheral support.
ARGB VISUAL POWER
Despite its compact size, the MasterFrame 400 Mesh comes alive with a pre-installed 120 mm SickleFlow ARGB fan—quiet, powerful, and fully customizable.

We appreciate your business and are committed to providing you with exceptional service and timely delivery. Please review the shipping information below for your order.
Order Processing Time:
Orders are usually processed within 24-48 hours after the order has been placed.
Custom or special order items may take longer to process, typically 3-5 business days.
Shipping Methods:
Standard Shipping (3-7 business days)
Expedited Shipping (2-3 business days)
Express Shipping (1-2 business days)
Packaging:
Rest assured that all items will be securely and safely packaged to prevent any damage during transit. Fragile or high-value parts will be packaged with additional protective materials, such as bubble wrap or foam padding.
Shipping Rates:
Shipping rates vary based on the size, weight, and destination of the package. You can view the estimated shipping costs for your order during the checkout process before placing your order.
Order Tracking:
Once your order has been shipped, you will receive an email with the tracking number and carrier information. You can also track your order status by logging into your account.
International Shipping:
We ship worldwide! Please note that international shipping rates and delivery times may vary based on destination. Customers are responsible for any customs fees, import taxes, or additional charges that may apply.