MasterBox NR400
FORM & FUNCTION STREAMLINED
Fine Mesh Fully Ventilated Front Panel
Supports 4 SSD & 3 HDD
Tempered Glass Side Panel
Headset-friendly 4-pole Combo Jack
Magnetic Dust Filter on Top
Tool-less Storage Mounting System
SGD 89
Document
Streamlined, By Definition
Simplicity in aesthetics rarely reflect complexity in design. Cooler Master’s signature Fine Mesh spans the entire front panel for open airflow, makes up the structure of the case, and adds rigidity to its overall construction. Meticulously engineered for unhindered airflow, the MasterBox NR400 applies bold performance to a pure-and-simple design.
Minimalistic Design
The MasterBox NR400 is a pure and simple design that is focused on airflow performance. A single-layer, fine mesh makes up the entire front panel, achieving efficient airflow while also acting as a dust filter.
Seamless Tempered Glass
The tempered glass side panel sits completely flush against the chassis, mounted securely and discreetly by a system of tabs and thumbscrews.
Ample Storage Support
A total of 4 x 2.5" and 3 x 3.5" drives can be mounted using a tool-less system. Storage can be mounted on the PSU shroud, behind the motherboard tray, and within the versatile HDD cage.
Versatile HDD Cage
The HDD cage is (re)movable. The cage can be shifted forward to make room for a longer PSU, backwards for additional radiator space, or completely removed if HDD storage is not needed.
Headset Jack
The single 4 pole headset jack features both Audio and Microphone capabilities simultaneously so that separate jacks are not needed.
Fan Support
Front: 120mm x3 / 140mm x2
Top: 120mm x2 / 140mm x2
Rear: 120mm x1
*non ODD version
Radiator Support
Front: 120/140/240/280mm
Top: 120/240mm
Rear: 120mm
*non ODD version
The Proving Grounds
Cooling performance & overall design are partially objective and subjective. Sure, we had our in-house results and opinions (yes, we all love the beauty of this case) but we also wanted to test the NR through third-party proving grounds. We sent the NR Series cases to the biggest, most critical tech reviewers out there and here’s the feedback we received:
“…you can’t go wrong with the NR400 or the NR600. Both offer great airflow and proved that they can handle the heat.” – OverClockersClub
“We expected little from the MasterBox NR400 and it surprised us at every turn.” – KitGuru Worth Buying Award
“…the MasterBox NR600 is functional without being compromising, offering you plenty of air and liquid-cooling potential…” – TechPowerUp Highly Recommended Award
“There’s more room for hardware than meets the eye, despite this being a mini-tower. And the flexibility is just top notch… Good looks and good airflow? Yep!” – Pokde Gold Award
“I love the versatility Cooler Master has included in this design. The case is sharp and subtle in its design without any of the gaudy options to drive price up.” – HardwareAsylum
“Adding a fan and removing the panel are nearly synonymous, which indicates minimal obstruction to airflow with the panel design.”– Gamersnexus
“This chassis is quiet, looks great in just about any setting and, it’s a bargain…” – Tom’s Hardware Editor’s Choice Award
Specifications
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Downloads
