Cooler Master MasterBox 540 ARGB ATX Mid-Tower ARGB Ether Front Panel, Removable Top Panel, Front DarkMirror Panel, Mesh Side Intakes, Tempered Glass, SickleFlow 120mm PWM ARGB (MB540-KGNN-S00)
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
A vivid, iridescent design spans the entire front panel of the MasterBox 540. Customizable ARGB strips radiate behind the transparent façade for a stunning display of light. The ARGB strips can be set to match the color scheme of the system inside with an included controller, and will also sync to the motherboard for a limitless potential for customization. A zero-compromise body allows the entire top panel to be removed, making it easier to route large radiators, install fans, and offer better overall access to the build. From aesthetics to component compatibility, the MasterBox 540 amazes i…
SpecPicks Verdict
SpecPicks classifies Cooler Master MasterBox 540 ARGB ATX Mid-Tower ARGB Ether Front Panel… as a solid pick with broad community endorsement in the pc cases category, based on 83 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Cooler Master's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for pc cases of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Solid 4.4★ customer rating
- ✓ Backed by Cooler Master's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- ARGB Ether Front Panel: Inspired by the design of automotive lighting, the front panel houses ARGB lighting strips paired with a front diffuser. This design element is fused to the DarkMirror finish of the façade, delivering a unique twist on conventional illumination.
- Standardized ARGB Connector & Controller Included: The ARGB Ether Front Panel can be controlled via software or the included ARGB controller, pre-loaded with unique lighting presets. The controller also comes pre-routed to the RESET/ARGB button in the front panel.
- Removable Top Panel: The top panel is entirely removable for improved access to the components during assembly. Ease of use also facilitates the mounting of cooling solutions such as fans and radiators.
- Screwless & Tool-Free Design TG Side Panel: The tempered glass side panel is secured with pins for easy removal, facilitating quick access to the internals without the use of tools. An optional screw can be installed to further secure the tempered glass side panel.
- Versatile Cooling Options: Support for up to seven 120mm fans and dual 360mm radiators on the top and front panel ensure high compatibility for liquid-cooled systems.
- Room For Upgrades: Support for up to a 410mm graphics card, a 165mm CPU cooler, and up to a 180mm PSU in length provides room for upgrades to stay ahead of the game.
Full Specifications
| Brand | Cooler Master |
|---|---|
| Color | ATX Mid-Tower ARGB |
| Fan Size | 120 Millimeters |
| Material | Tempered Glass |
| Case Type | Mid Tower |
| Model Name | MB540-KGNN-S00 |
| Unit Count | 1.0 Count |
| Light Color | Red,Green,Blue |
| Model Number | MB540-KGNN-S00 |
| Built-In Media | 1 Piece |
| Cooling Method | Air |
| Item Type Name | PC-Case |
| Number of Fans | 1 |
| Mfr Part Number | MB540-KGNN-S00 |
Ready to buy?
Cooler Master MasterBox 540 ARGB ATX Mid-Tower ARGB Ether Front Panel, Removable Top Panel, Front DarkMirror Panel, Mesh Side Intakes, Tempered Glass, SickleFlow 120mm PWM ARGB (MB540-KGNN-S00) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.