Cooler Master
Cooler Master MasterBox 600 ATX Mid-Tower Case, Back-Connected Motherboard Asus|MSI|Gigabyte, 410mm GPU Max, *420mm AIO Max, Type C, Tempered Glass, Triple 140mm SickleFlow PWM, FineMesh Airflow
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
The MasterBox 600 is engineered to elevate performance standards across the PC building community, ensuring all users can access top-tier features and capabilities. With ample room for a 420mm radiator and a 410mm GPU, alongside back-connector motherboard support, it sets a new benchmark for modern ATX cases.
SpecPicks Verdict
SpecPicks classifies Cooler Master MasterBox 600 ATX Mid-Tower Case, Back-Connected Mother… as a category leader on buyer feedback in the pc cases category, based on 28 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 — 4.6★ average across customer reviews
- ✓ Tailor-Made 140mm SickleFlow: The 140mm SickleFlow PWM fans deliver exceptional airflow
- ✓ Backed by Cooler Master's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Limited review volume so far — fewer data points on long-term reliability
- ✗ 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
- Back-Connected Motherboard: ITX / Micro ATX / ATX (Supporting Back-connector Motherboard) / E-ATX (*up to 12"x10.9" / 30.5cmx27.7cm motherboards, may impact cable management) Back Connector Motherboard Support: Yes
- Components Clearance: Supports up to 410mm GPU, CPU coolers height of 170mm, and PSU 170mm in length.
- Tailor-Made 140mm SickleFlow: The 140mm SickleFlow PWM fans deliver exceptional airflow
- FineMesh Performance: Large mesh intakes ensure unrestricted airflow.
- Pre-installed Fans - Rear: 1x 120mm CF120 ARGB (650~1200 rpm); Fan Support: 1x 120mm; Radiator Support - Rear: 120mm
Full Specifications
| Brand | Cooler Master |
|---|---|
| Color | Black |
| Fan Size | 140 Millimeters |
| Material | Plastic, Stainless Steel, Tempered Glass |
| Case Type | Mid Tower |
| Model Name | MasterBox 600 |
| Light Color | ARGB |
| Model Number | MB600-KGNN-S00 |
| Cooling Method | Air, Water |
| Number of Fans | 3 |
| Mfr Part Number | MB600-KGNN-S00 |
| Antenna Location | Business, Gaming |
| Compatible Devices | 170mm CPU Cooler, 240mm Radiator, 360mm Radiator, 410mm Graphics Card, ATX Motherboard |
| Enclosure Material | Plastic, Stainless Steel, Tempered Glass |
Ready to buy?
Cooler Master MasterBox 600 ATX Mid-Tower Case, Back-Connected Motherboard Asus|MSI|Gigabyte, 410mm GPU Max, *420mm AIO Max, Type C, Tempered Glass, Triple 140mm SickleFlow PWM, FineMesh Airflow 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.
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