Cooler Master
Cosmos Alpha Full Tower ATX PC Case – Flagship Curved Aluminum Frame, Powerful 200mm Dual Intake Fans, Fits 400mm GPUs & 420mm Radiators, ARGB Chassis Underglow, Limited Edition
*Price sourced from Amazon.com. Last updated 2026-05-23. Price and availability subject to change.
he COSMOS ALPHA represents the evolution of a legendary flagship series—reborn under FreeForm 2.0 as the ultimate platform for PC enthusiasts and modders. Designed for builders who demand maximum flexibility, extreme cooling, and premium aesthetics, COSMOS ALPHA delivers uncompromised customization Product Sheet_COSMOS ALPHA_V1.5 Crafted with a curved aluminum frame and full tempered glass panels, it preserves the iconic COSMOS identity while integrated ARGB underglow lighting adds modern flair. With FreeForm 2.0, every internal component can rotate left or right, allowing you to design…
SpecPicks Verdict
SpecPicks classifies Cooler Master Cosmos Alpha Full Tower ATX PC Case – Flagship Curved… as a solid pick with broad community endorsement in the pc cases category, based on 7 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
- ✗ 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
- FLAGSHIP COSMOS DESIGN Premium curved aluminum frame with full tempered glass panels preserves the iconic COSMOS look while integrated ARGB underglow elevates your build into a true showcase
- EXTREME HARDWARE COMPATIBILITY Supports E-ATX and EEB motherboards, GPUs up to 400mm, and PSUs up to 240mm with 53mm rear cable clearance and removable dust filters
- FREEFORM 2.0 ROTATABLE LAYOUT All internal components rotate left or right, allowing custom orientations for airflow optimization, desk placement, and visual presentation
- MODULAR SLIDING MOTHERBOARD TRAY Easily switch between air and liquid cooling layouts. Adjust GPU distance to improve airflow or highlight your graphics card
- NEXT-GEN FRONT I/O Equipped with 4× USB-A 5Gbps ports and 2× USB-C 20Gbps ports for ultra-fast data transfer and modern devices
Full Specifications
| Brand | Cooler Master |
|---|---|
| Color | Silver/Black |
| Material | Aluminum |
| Case Type | Full Tower |
| Model Name | C700 |
| Connectivity | USB-C |
| Model Number | C700-KGNN-S00 |
| Compatibility | PC, Switch |
| Cooling Method | Air, Water |
| Mfr Part Number | C700-KGNN-S00 |
| Antenna Location | Business, Gaming |
| Enclosure Material | Aluminum |
| Warranty Description | 2 Year Manufacturer |
| Supported Motherboard | Mini ITX, Micro ATX, ATX, Extended ATX, EEB |
Ready to buy?
Cooler Master Cosmos Alpha Full Tower ATX PC Case – Flagship Curved Aluminum Frame, Powerful 200mm Dual Intake Fans, Fits 400mm GPUs & 420mm Radiators, ARGB Chassis Underglow, Limited Edition 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 2026-05-23. Price and availability subject to change.
Related PC Cases
