Cooler Master MasterFrame 400 Mesh Open Frame PC Case, Inspired by the FreeForm 2.0 platform, Black, MF400M-KHNN-S00
Quick Overview
- Constructed with aluminum frame and tempered glass side panels for durability and beauty. Full mesh panels for breathability
- Compatible with Micro-ATX and Mini-ITX motherboards, compact yet capable of holding graphics cards up to 390mm and 190mm CPU coolers. High performance parts can be configured even in space-saving environments
- Supports up to 9 case fans and 360mm radiators to build high-end liquid cooling systems Designed with an emphasis on cooling performance and can withstand prolonged heavy loads
- Equipped with 1 USB 20Gbps Type-C and 2 USB 5Gbps Type-A. SickleFlow 120mm ARGB fan comes standard with both cooling performance and the customization of ARGB lighting
- It also comes with a graphics card holder to support the installation of large GPU
AED 699.00 Original price was: AED 699.00.AED 525.00Current price is: AED 525.00.
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.
Silver

1x SickleFlow 120 mm ARGB White
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 2×2 Type-C
Black

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 2×2 Type-C
FreeForm 2.0 Exo-structure
The exposed aluminum frame supports versatile positioning and adapts seamlessly to both vertical and horizontal layouts.
Dual-Orientation Ready
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.
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 2×2 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.
Specifications
- Product Name MasterFrame 400 Mesh
- Color(s) Black / Silver
- Model Number Black: MF400M-KHNN-S00
- Model Number Silver: MF400M-SHNN-S00
- Materials AL+ SGCC + TG / Mesh
- Dimensions (L x W x H) 471 x 261 x 373.8 mm (Incl. Protrusions), 471 x 261 x 361 mm (Excl. Protrusions)
- Volume 44.37 L (w/o protrusions), 46 L (with panel, protrusions and feet)
- Motherboard Support Mini-ITX, Micro-ATX
- PCI Expansion Slots 4
- Drive Bays – 5.25″ ODD N/A
- Drive Bays – 3.5″ HDD 1 (Only supported without bottom fans. Shares 3.5″ and 2.5″ mounting positions.)
- Drive Bays – 2.5″ SSD 1 (Only supported without bottom fans. Shares 3.5″ and 2.5″ mounting positions.)
- I/O Panel – USB Ports 2 x USB 3.2 Gen 1 Type A / 1 x USB 3.2 Gen 2 x 2 Type C
- I/O Panel – Audio In / Out 1 x 3.5 Mic / Audio Combo Jack
- Pre-installed Fans – Rear 1x SickleFlow 120 mm ARGB Black / 1x SickleFlow 120 mm ARGB White
- Fan Support – Front 2 x 120mm / 1 x 140mm*, 1 x 180mm*, 1 x 200mm* (*Conditional Support)
- Fan Support – Top 3 x 120mm / 2 x 140mm / 2 x 180mm*, 2 x 200mm* (*Fan thickness ≤ 25.5mm)
- Fan Support – Rear 1x 120mm
- Fan Support – Bottom 3x 120mm, 2x 140mm, 2x 180mm, 2x 200mm, and all fans up to 30mm thick.
- Radiator Support – Front N/A
- Radiator Support – Top 240 / 280 / 360 mm
- Radiator Support – Rear 120 mm
- Radiator Support – Bottom N/A
- Clearances – CPU Cooler 190 mm
- Clearances – Power Supply 160 mm
- Clearances – Graphics Card 390 mm
- Cable Routing – Behind Motherboard Tray 43 mm
- Accessory Graphics Card Holder
- Dust Filters Front, Side
- Power Supply Support ATX
- Warranty 2 years
- Series MasterFrame Series
- Size Mid Tower
| Standard Delivery | One Day Delivery |
|---|---|
| Included Warranty | 1 Year Free Warranty |
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Product Additional information
| Standard Delivery | One Day Delivery |
|---|---|
| Included Warranty | 1 Year Free Warranty |
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