Cooler Master MasterBox MB400L mATX Mini Tower Case for mATX /ITX ,cpu Cooler
Each element of the MasterBox MB400L was created from an elegant palette. With a brushed finish, subtle hue, and Cooler Master's minimalist hexagon, this micro-ATX PC case adorns the gaming setup and workspace while accommodating modern hardware. The tall style embellishes the high upgradeability with front, top and rear ventilation and provides additional mounting options for upgrading cooling components in the future. When an optional RGB or ARGB fan is installed behind the front bezel, the Cooler Master Hexagon is also illuminated on the front bezel. A total of 6 fans can be mounted simultaneously to ensure that even the most demanding builds stay cool under heavy use.
Each element of the MasterBox MB400L was created from an elegant palette. With a brushed finish, subtle hue, and Cooler Master's minimalist hexagon, this micro-ATX PC case adorns the gaming setup and workspace while accommodating modern hardware. The tall style embellishes the high upgradeability with front, top and rear ventilation and provides additional mounting options for upgrading cooling components in the future. When an optional RGB or ARGB fan is installed behind the front bezel, the Cooler Master Hexagon is also illuminated on the front bezel. A total of 6 fans can be mounted simultaneously to ensure that even the most demanding builds stay cool under heavy use.
Each element of the MasterBox MB400L was created from an elegant palette. With a brushed finish, subtle hue, and Cooler Master's minimalist hexagon, this micro-ATX PC case adorns the gaming setup and workspace while accommodating modern hardware. The tall style embellishes the high upgradeability with front, top and rear ventilation and provides additional mounting options for upgrading cooling components in the future. When an optional RGB or ARGB fan is installed behind the front bezel, the Cooler Master Hexagon is also illuminated on the front bezel. A total of 6 fans can be mounted simultaneously to ensure that even the most demanding builds stay cool under heavy use.
Each element of the MasterBox MB400L was created from an elegant palette. With a brushed finish, subtle hue, and Cooler Master's minimalist hexagon, this micro-ATX PC case adorns the gaming setup and workspace while accommodating modern hardware. The tall style embellishes the high upgradeability with front, top and rear ventilation and provides additional mounting options for upgrading cooling components in the future. When an optional RGB or ARGB fan is installed behind the front bezel, the Cooler Master Hexagon is also illuminated on the front bezel. A total of 6 fans can be mounted simultaneously to ensure that even the most demanding builds stay cool under heavy use.
in 5 offers
The lowest price for Cooler Master MasterBox MB400L mATX Mini Tower Case for mATX /ITX ,cpu Cooler right now is $64.35 at PB Tech, compared across 5 retailers.
The all-time low was $51.93 on 17 Mar 2026 — today's price is 24% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 25 Aug 2026.
Last updated at 25/08/2026 14:26:21
Cooler Master MasterBox MB400L mATX Mini Tower Case mATX / ITX Support - CPU Cooler Supports up to 166mm - GPU Support up to 344mm - 4x PCI Slots - 28
Delivery between 30 Aug – 4 Sept $9
Cooler Master MasterBox MB400L mATX Mini Tower | KW Tech NZ
Delivery $39.17
Cooler Master MasterBox Steel Side Panel No ODD Micro-ATX Mini Tower Case
Delivery between Thu – Tue $45.66
Cooler Master MasterBox Steel Side Panel No ODD Micro-ATX Mini Tower Case
Delivery $18.99
CM MasterBox MB400L mATX 500W (MCB-B400L-KNNB50-S00)
Delivery between Thu – Mon $9.99
originally posted on pbtech.co.nz
Excellent case, easy to use, decent quality and great price
originally posted on pbtech.co.nz
Nice case is acutely black not dark silver like in the picture
Cooler Master MasterBox MB400L mATX Mini Tower Case mATX / ITX Support - CPU Cooler Supports up to 166mm - GPU Support up to 344mm - 4x PCI Slots - 28
Delivery between 30 Aug – 4 Sept $9
Cooler Master MasterBox MB400L mATX Mini Tower | KW Tech NZ
Delivery $39.17
Cooler Master MasterBox Steel Side Panel No ODD Micro-ATX Mini Tower Case
Delivery between Thu – Tue $45.66
Cooler Master MasterBox Steel Side Panel No ODD Micro-ATX Mini Tower Case
Delivery $18.99
CM MasterBox MB400L mATX 500W (MCB-B400L-KNNB50-S00)
Delivery between Thu – Mon $9.99
Excellent case, easy to use, decent quality and great price
Nice case is acutely black not dark silver like in the picture
