Cooler Master MasterFrame 400 Modular Open Frame Silver
MPN MF400M-SHNN-S00 UPC 884102134944
- Type
- Open frame
- Largest motherboard
- ATX
- Graphics card up to
- 390 mm
- CPU cooler up to
- 190 mm
- Glass side panel
- Yes
- Fans included
- 1
Best price now
$199.99
at
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Where to buy
★ 5.0 out of 5 from 3 customer ratings at Newegg. Newegg shows this rating on other versions of the product too. How we count
Price history
Lowest in-stock price by retailer
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Specifications
What fits
- Largest motherboard
- ATX
- Graphics card up to
- 390 mm
- CPU cooler up to
- 190 mm
- Power supply up to
- 160 mm
Build
- Type
- Open frame
- Color
- Silver
- Glass side panel
- Yes
- Fans included
- 1
- Front USB-C
- Yes
Wrong price, stock or spec? Tell us
Full spec sheet from Newegg
- Model/Brand
- Cooler Master
- Model/Model
- MF400M-SHNN-S00
- Model/Series
- Master Frame Series
- Details/Color
- Silver
- Details/Dust Filters
- Front / Side
- Details/Case Material
- AL + SGCC + TG / Mesh
- Cooling System/Fan Options
- Front: 2 x120mm / 1 x 140mm, 1 x 180mm, 1 x 200mm(Conditional Support) Top: 3 x120mm / 2 x 140mm / 2 x 180mm, 2 x 200mm (Fan thickness = 25.5mm) Rear: 1x 120 mm Bottom: 3x 120mm, 2x 140mm, 2x 180mm, 2x 200mm, and all fans up to 30mm thick.
- Dimensions & Weight/Weight
- 8kg
- Front Panel Ports/Front Ports
- 2 x USB 3.2 Gen 1 Type A / 1 x USB 3.2 Gen 2 x 2 Type C 1x 3.5MIc/ Audio Combo Jack
- Dimensions & Weight/Dimensions
- 471 x 261 x 373.8 mm
- Cooling System/Radiator Options
- Rear - Up to 120mm / Top - Up to 240mm / Top - Up to 280mm / Top - Up to 360mm
- Cooling System/Pre-installed Fans
- Rear: 1x Sickle Flow 120 mm ARGB Black / 1x Sickle Flow 120 mm ARGB White
- Details/Motherboard Compatibility
- Micro ATX / Mini ITX
- Dimensions & Weight/Max GPU Length
- 390 mm
- Dimensions & Weight/Max PSU Length
- 160 mm
- Expansion/Internal 2.5" Drive Bays
- 1
- Expansion/Internal 3.5" Drive Bays
- 1
- Dimensions & Weight/Max CPU Cooler Height
- 190 mm
- Additional Information/First Listed on Newegg
- April 16, 2026
Full spec sheet from Best Buy
- UPC
- 884102134944
- Brand
- Cooler Master
- Color
- Silver
- Model Number
- MF400M-SHNN-S00
- Product Name
- Cooler Master MasterFrame 400 mATX Modular Case - Open Frame, ARGB Fan, 390mm GPU, Silver
- Case Material
- Aluminum
- Lighting Type
- RGB
- Product Depth
- 20 inches
- Product Width
- 14.72 inches
- Cooling System
- Air
- Enclosure Type
- Tower
- Headphone Jack
- false
- Product Height
- 10.28 inches
- Product Weight
- 282.24 ounces
- Window Panel(s)
- None
- Microphone Input
- false
- Warranty - Labor
- Limited Warranty period (labor): 1 year
- Warranty - Parts
- Limited Warranty period (parts): 1 year
- Maximum GPU Length
- 390.0 millimeters
- Motherboard Form Factor
- microATX
- Number of Fans Included
- 1
- Number of Fans Supported
- 0
- Maximum CPU Cooler Height
- 0.0 millimeters
- Customizable Case Lighting
- true
- Maximum Power Supply Length
- 0.0 millimeters
- Number of USB Ports (Total)
- 0