# Cooler Master MasterBox 540 - ARGB ATX Gaming PC Case, Mid-Tower Chassis with Tempered Glass Side Panel, 1 x 120mm ARGB SickleFlow Fan, Multiple Airflow Configurations, ARGB Controller Included

- Category: Case
- Brand: Cooler Master
- Model: MasterBox 540
- Part number: MB540-KGNN-S00
- Price (US): $278.00
- Price last checked: 2026-08-05
- Rating: 4.5/5 from 43 Amazon reviews
- Warranty: 3 years
- Product page: https://buildmypc.net/component-details/case/cooler-master-masterbox-540-mb540-kgnn-s00/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | Cooler Master |
| Model | MasterBox 540 |
| Cabinet Type | ATX Mid Tower |
| Side Panel | Tempered Glass |
| Color | Black |
| Power Supply | N/A |
| Maximum 3.5 Drive Space | 2 |
| Maximum 2.5 Drive Space | N/A |
| GPU Length | N/A |
| Supported PSU Size | ATX |

## Key Features

- SPECTACULAR ARGB LIGHTING - Unique ARGB Ether front panel sports automotive-inspired lighting strips & integrated DarkMirror façade; Illumination can be easily assigned via software or the included ARGB controller (pre-routed to RESET/ARGB front panel)
- VERSATILE & WELL-CONNECTED - The top panel is entirely removable for easy access to the components during assembly or installation of dual-radiator liquid cooling systems; The front panel includes a USB 3.2 Gen2 USB Type-C port (10Gbps)
- TEMPERED GLASS SIDE PANEL - Premium systems can be installed, accessed and showcased through the tempered glass side panel, which can be removed easily without tools (an additional screw can be used to further secure the panel)
- VERSATILE COOLING OPTIONS - Features a pre-installed Sickleflow 120mm rear fan, while the front and top panels each support up to 3 x 120mm fans, 2 x 140mm fans, or a 360mm radiator; PSU shroud includes top ventilation for passive or inverted builds
- IMPRESSIVE CLEARANCES - The MasterBox 540 interior accommodates E-ATX (up to 12” x 10.7”), ATX, micro-ATX and mini-ITX motherboards; CPU coolers up to 165mm in height; Graphics cards (GFX/GPU) up to 410mm in length; ATX PSUs up to 180mm in length

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