Cooler Master
MasterBox 520 Mesh PC Case – Mid-Tower ATX Chassis with 3 x Pre-Installed Fans, Multiple Airflow Configurations, Mesh Front Panel & TG Side Panel, ARGB Controller Included - Black
*Price sourced from Amazon.com. Last updated 2026-05-21. Price and availability subject to change.
Cooler Master MasterBox 520 Mesh is the ideal chassis for novice and experienced gamers alike. The front panel of the MasterBox 520 Mesh sports a full-mesh with 3 ARGB fans that can be set to match the colour scheme of the system via an included ARGB controller - includes a pre-installed 120mm rear fan. Despite its compact mid-tower form, the case supports up to seven 120mm fans and dual 360mm radiators in the front & top panels. The entire top panel, HDD cage & dust filter bracket can be removed, making it easier to route large radiators, install fans, or simply provide easier access to…
SpecPicks Verdict
SpecPicks classifies Cooler Master MasterBox 520 Mesh PC Case – Mid-Tower ATX Chassis… as a category leader on buyer feedback in the pc cases category, based on 56 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
- ✓ Highly rated — 4.7★ average across customer reviews
- ✓ 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
- MESH FRONT PANEL – The front panel features a combination of mesh and 3 x CF120 ARGB fans for unrestricted airflow; Illumination can be assigned via the included ARGB controller (pre-routed to a Reset/ARGB button);
- IMPRESSIVE CLEARANCES - The MasterBox 520 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 200mm in length
- MULTIPLE COOLING OPTIONS – Comes with 3 x CF120 ARGB frontal fans; The front & top panels each support up to 3 x 120mm fans/2 x 140mm fans, or a 360mm radiator, the rear panel supports 1 x 120mm fan/radiator
- 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)
- RICH CONNECTIVITY I/O PANEL - The I/O panel features 1 x USB 3.2 Gen 1 Type-A port, 1 x USB 3.2 Gen 2 Type-C port, 1 x audio jack and 1 x Reset/ARGB button allowing for streamlined data transmission and unlimited connectivity
Full Specifications
| Brand | Cooler Master |
|---|---|
| Color | Black |
| Fan Size | 120 Millimeters |
| Material | Tempered Glass |
| Case Type | Mid Tower |
| Model Name | MasterBox 520 Mesh |
| Unit Count | 1.0 Count |
| Light Color | Red,Green,Blue |
| Connectivity | USB |
| Model Number | MB520-KGNN-S00 |
| Compatibility | PC |
| Cooling Method | Air |
| Item Type Name | PC Chassis |
| Number of Fans | 3 |
Ready to buy?
Cooler Master MasterBox 520 Mesh PC Case – Mid-Tower ATX Chassis with 3 x Pre-Installed Fans, Multiple Airflow Configurations, Mesh Front Panel & TG Side Panel, ARGB Controller Included - Black 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 2026-05-21. Price and availability subject to change.
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