
Corsair
CORSAIR 4000D RS ARGB Frame Modular Mid-Tower ATX PC Case, High Airflow,
Highlights
- FRAME Modular Case System – The revolutionary FRAME system gives new meaning to the word customization. Want to upgrade the motherboard tray to billet aluminum? Want to swap out your front I/O panel for more USB ports? Now you can. A case that can change and grow with your needs (or just your mood). The options are nearly limitless
- 3x CORSAIR RS ARGB PWM Fans – High-performance fans pre-installed in the front of case. Support daisy-chainable 4-pin PWM connections and Zero RPM mode for near-silent operation at low loads. Each Fan has eight LEDs and easily controllable with your motherboard’s +5V ARGB connector
- CORSAIR InfiniRail Fan Mounting System – This steel multi-point mounting system offers unmatched flexibility in front and roof fan configuration. Simply slide the rail to mount fans up to 200mm (140mm in the roof) wherever you like, ensuring targeted airflow
- Clean Lines or Turbo Cooled – The internal side panel near the motherboard tray can be used as a cable cover for clean cable management, or you can remove it and mount fans to the side for increased cooling potential
- 3D Y-Pattern Airflow Panel – Optimized for high airflow and minimal restriction, the steel front panel is perforated in three dimensions with a Y-pattern that provides a low-obstruction path for cool air
Why You'll Love It
- Modular FRAME system lets you swap the front panel or motherboard tray as needed
- Three pre-installed RS ARGB fans deliver daisy-chainable cooling with Zero RPM mode
- Sliding steel InfiniRail system accommodates front fans up to 200mm and roof fans to 140mm
- Internal panel converts between a clean cable cover and extra side fan mounts
- Perforated 3D Y-pattern steel front panel ensures low-obstruction intake airflow
Pros
- +Three pre-installed ARGB PWM fans
- +Sliding InfiniRail fan mounts up to 200mm
- +Flexible side panel for cables or fans
- +Daisy-chainable fan wiring with Zero RPM mode
- +Modular frame for swappable parts
Cons
- -Roof mounting limited to 140mm fans
- -Side fan setup requires removing the cable cover
- -Does not include rear exhaust fans
Detailed Review
The CORSAIR 4000D RS ARGB is a mid-tower ATX PC case built around high airflow and physical customization. It is designed for PC builders who want strong thermal management alongside the flexibility to reconfigure internal and external parts over time. Its modular FRAME system enables parts like the motherboard tray or front I/O panel to be modified or upgraded directly.
Cooling is a clear focus, starting with the steel front panel that features a 3D Y-pattern perforation for direct air intake. Inside, CORSAIR includes three pre-installed RS ARGB PWM fans in the front. These fans feature eight LEDs each, connect to standard +5V motherboard headers, support daisy chaining to simplify wiring, and include a Zero RPM mode for near-silent operation when system loads are light.
Fan positioning is heavily customizable thanks to the steel InfiniRail mounting system. This setup allows you to slide mounting points freely to target airflow, supporting front fans up to 200mm and roof fans up to 140mm. Additionally, the internal side area near the motherboard tray can serve as a neat cable cover or be removed entirely to add side-mounted cooling fans.
Because the case relies on its convertible design, choosing to mount side fans means giving up the internal cable cover, which may expose more wiring. The roof rails also cap fan support at 140mm, unlike the front rails that handle larger 200mm sizes. The listing also does not state whether a rear exhaust fan is included out of the box.
Verdict: The CORSAIR 4000D RS ARGB is an excellent choice for builders who want flexible fan placement and customizable modular parts. It offers an adaptable foundation for both standard clean builds and airflow-heavy configurations.
Who Should Buy It
A great fit if you:
- Want pre-installed ARGB PWM fans that support daisy-chaining and quiet Zero RPM modes.
- Need flexible fan mounting rails that slide to fit front fans up to 200mm.
- Value modular case designs that let you modify panels and internal trays.
- Want high airflow through a perforated steel front panel.
Consider something else if you:
- Require large 200mm fan support in the roof of the chassis.
- Want dedicated side fan mounts without sacrificing your internal cable cover.
FAQ
What fans are included with the case?
It includes three pre-installed CORSAIR RS ARGB PWM fans in the front, each featuring eight customizable LEDs and daisy-chainable 4-pin connections.
What sizes of fans fit on the InfiniRail system?
The sliding steel rail system allows you to mount fans up to 200mm in the front and up to 140mm in the roof.
How do you control the fan lighting?
The RGB lighting is controlled directly through your motherboard using standard +5V ARGB connectors.
Can I mount extra fans on the side?
Yes, the internal side panel near the motherboard tray can be removed to install additional side fans instead of serving as a cable cover.
Product Details
| Brand | Corsair |
| ASIN | B0DFHNV7TK |






