Design
| Case Type i | Mini tower (10 others) |
| Side Panel i | Tempered glass (tinted) (32 others) |
| Front Panel i | Mesh (41 others) |
| Top Panel i | Mesh (63 others) |
| Number Of Internal 2.5" Bays i | 4 |
| Number Of Internal 3.5" Bays i | 3 |
| Case Colors i | Black (15 others) |
Compatibility
| Motherboard Compatibility i | MicroATX (mATX), ITX (7 others) |
| Expansion Slots i | 4 (8 others) |
| Gpu clearance i | 346 mm |
| Cpu clearance i | 166 mm (1 other) |
| Psu clearance i | 325 mm |
| Psu mounting location i | Bottom (56 others) |
Cooling
| Fan Mounts (total) i | 5 (2 others) |
| 120mm Fans (max) i | 5 |
| 140mm Fans (max) i | 3 (7 others) |
| Pre installed fans i | 2 x 120 mm (3 others) |
| Max Radiator Size (front) i | 280 mm (4 others) |
| Max Radiator Size (top) i | 240 mm (12 others) |
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Frequently Asked Questions
What is the psu clearance of the Cooler Master MasterBox NR400?
At 325 mm, the Cooler Master MasterBox NR400 ranks #3 out of 66 — see ranking pc case products — one of the Highest psu clearance in this category, 52% above the category average.
What is the expansion slots of the Cooler Master MasterBox NR400?
At 4, the Cooler Master MasterBox NR400 is 41% below the category average for expansion slots, ranking #59 out of 71 — see ranking pc case products.
What is the fan mounts (total) of the Cooler Master MasterBox NR400?
At 5, the Cooler Master MasterBox NR400 is 38% below the category average for fan mounts (total), ranking #62 out of 71 — see ranking pc case products.
What is the 140mm fans (max) of the Cooler Master MasterBox NR400?
At 3, the Cooler Master MasterBox NR400 is 37% below the category average for 140mm fans (max), ranking #46 out of 69 — see ranking pc case products.
What is the 120mm fans (max) of the Cooler Master MasterBox NR400?
At 5, the Cooler Master MasterBox NR400 is 37% below the category average for 120mm fans (max), ranking #62 out of 71 — see ranking pc case products.
How many internal 2.5" bays does the Cooler Master MasterBox NR400 have?
At 4, the Cooler Master MasterBox NR400 is 32% above the category average for number of internal 2.5" bays, ranking #11 out of 71 — see ranking pc case products.
What is the max radiator size (top) of the Cooler Master MasterBox NR400?
At 240 mm, the Cooler Master MasterBox NR400 is 28% below the category average for max radiator size (top), ranking #53 out of 66 — see ranking pc case products.
How many internal 3.5" bays does the Cooler Master MasterBox NR400 have?
At 3, the Cooler Master MasterBox NR400 is 25% above the category average for number of internal 3.5" bays, ranking #11 out of 65 — see ranking pc case products.
What is the max radiator size (front) of the Cooler Master MasterBox NR400?
At 280 mm, the Cooler Master MasterBox NR400 is 19% below the category average for max radiator size (front), ranking #31 out of 44 — see ranking pc case products.
What is the gpu clearance of the Cooler Master MasterBox NR400?
At 346 mm, the Cooler Master MasterBox NR400 is 12% below the category average for gpu clearance, ranking #57 out of 69 — see ranking pc case products.
How does it compare?
How does the Cooler Master MasterBox NR400's number of internal 2.5" bays compare to similar pc casess?
At 4, the Cooler Master MasterBox NR400 leads the Lian Li Vector V100 (1) by 75%.
How does the Cooler Master MasterBox NR400's number of internal 3.5" bays compare to similar pc casess?
At 3, the Cooler Master MasterBox NR400 leads the Lian Li Vector V100 (1) by 67%.
How does the Cooler Master MasterBox NR400's psu clearance compare to similar pc casess?
At 325 mm, the Cooler Master MasterBox NR400 leads the Montech X3 (160 mm) by 51%.
How does the Cooler Master MasterBox NR400's fan mounts (total) compare to similar pc casess?
At 5, the Cooler Master MasterBox NR400 trails the Thermaltake View 380 TG ARGB (10) by 50%.
How does the Cooler Master MasterBox NR400's 120mm fans (max) compare to similar pc casess?
At 5, the Cooler Master MasterBox NR400 trails the Thermaltake View 380 TG ARGB (10) by 50%.
How does the Cooler Master MasterBox NR400's expansion slots compare to similar pc casess?
At 4, the Cooler Master MasterBox NR400 trails the Lian Li Vector V100 (7) by 43%.
How does the Cooler Master MasterBox NR400's 140mm fans (max) compare to similar pc casess?
At 3, the Cooler Master MasterBox NR400 trails the Cooler Master Elite 502 Lite (5) by 40%.
How does the Cooler Master MasterBox NR400's max radiator size (top) compare to similar pc casess?
At 240 mm, the Cooler Master MasterBox NR400 trails the Lian Li Vector V100 (360 mm) by 33%.
How does the Cooler Master MasterBox NR400's max radiator size (front) compare to similar pc casess?
At 280 mm, the Cooler Master MasterBox NR400 trails the Cooler Master Elite 502 Lite (420 mm) by 33%.
How does the Cooler Master MasterBox NR400's gpu clearance compare to similar pc casess?
At 346 mm, the Cooler Master MasterBox NR400 trails the Lian Li Vector V100 (420 mm) by 18%.
How does the Cooler Master MasterBox NR400's cpu clearance compare to similar pc casess?
At 166 mm, the Cooler Master MasterBox NR400 trails the Lian Li Vector V100 (178 mm) by 7%.