MasterBox MB400L without ODD image number 0
MasterBox MB400L without ODD image number 1
MasterBox MB400L without ODD image number 2
MasterBox MB400L without ODD image number 3
MasterBox MB400L without ODD image number 4
MasterBox MB400L without ODD
MasterBox MB400L without ODD
MasterBox MB400L without ODD
MasterBox MB400L without ODD
MasterBox MB400L without ODD

Sensible by design

MasterBox MB400L without ODD

Brushed Front Panel

Hexagon Gleam

Mesh Intakes

With/Without ODD Support

Adaptable Drive Cage

Versatile Cooling Options

Room For Upgrades

Brushed Front Panel

Brushed Front Panel

A brushed finish spans the entire front panel for an elegant and minimalistic design.

Hexagon Gleam

Hexagon Gleam

If an optional, illuminated fan is installed, the Cooler Master hexagon logo will capture light from the fan and emit a glow on the front panel.

Mesh Intakes

Mesh Intakes

Large, mesh intakes span each side of the front panel to provide additional airflow to system.

With/Without Odd Support

With/Without Odd Support

Depending on preference, an ODD version of the chassis is available. If an ODD is not preferred, a cleaner appearance and more cooling options on the top and front panels are supported.

Adaptable Drive Cage

Adaptable Drive Cage

The drive cage is (re)movable, able to shift toward the front to accommodate for PSU space, backwards to provide additional radiator space, or even completely removed.

Versatile Cooling Options

Versatile Cooling Options

Support for up to six fans and front, top, and rear radiator support ensure that performance is not compromised.

Room For Upgrades

Room For Upgrades

Support for up to a 344mm graphics card, a 166mm CPU cooler, and up to a 325mm PSU in length provides room for upgrades to stay ahead of the game.

Specifications

  • Model Number MCB-B400L-KGNN-S00
  • Color(s) Black
  • Materials - Exterior Steel, Plastic
  • Materials - Left Side Panel Tempered Glass, Steel
  • Dimensions (L x W x H) 411 x 218 x 410mm (TG / Incl. Protrusions), 411 x 210 x 410mm (Steel / Incl. Protrusions), 396 x 210 x 400mm (Excl. Protrusions)
  • Volume 33.26L (Excl. Protrusions)
  • Motherboard Support Mini-ITX, Micro-ATX
  • Expansion Slots 4
  • 5.25" Drive Bays 0
  • 3.5" Drive Bays 2
  • 2.5" Drive Bays 2
  • I/O Panel - USB Ports Option 1: 2x USB 3.2 Gen 1 (USB 3.0) / Option2: 1x USB 3.2 Gen 1 (USB 3.0), 1x USB 2.0 / *options may vary per region
  • I/O Panel - Audio In / Out 1x 3.5mm Headset Jack (Audio+Mic)
  • Pre-installed Fans - Top N/A
  • Pre-installed Fans - Front N/A
  • Pre-installed Fans - Rear 1x 120mm Black Fan* / *options may vary per region
  • Fan Support - Top 2x 120/140mm
  • Fan Support - Front 3x 120mm, 2x 140mm (Mount behind the front plate)
  • Fan Support - Rear 1x 120mm
  • Radiator Support - Top 120 / 240mm
  • Radiator Support - Front 120 / 140 / 240 / 280mm
  • Radiator Support - Rear 120mm
  • Clearance - CPU Cooler Steel: 167mm, TG: 166mm
  • Clearance - PSU 325mm (w/o front radiator & HDD cage)
  • Clearance - GFX 344mm
  • Cable Routing 18-22mm
  • Power Supply Support Bottom Mount, ATX
  • Dust Filters Front, Top, Bottom
  • Warranty 2 years
  • Size Mini Tower
  • Series MasterBox Series