Corsair Frame 4000D RS Modular Mid-Tower PC Case Black

The Corsair Frame 4000D RS Modular is a mid-tower PC case built for builders who want flexibility without complexity. This modular case supports everything from compact Mini-ITX builds to full-size E-ATX systems, making it an adaptable choice whether you're upgrading an existing rig or starting fresh.

Modular Design Meets Practical Storage

• Supports Mini-ITX, Micro-ATX, ATX, and E-ATX motherboards in one chassis
• 7 horizontal or 3 vertical expansion slots for GPUs and additional hardware
• 2× 3.5" and 4× 2.5" drive bays for mixed storage configurations
• Modular layout reduces cable clutter and improves airflow management

Whether you're a first-time builder setting up a gaming PC, a system integrator balancing cost and capability, or an enthusiast who values clean internals, the Frame 4000D RS delivers the breathing room and component compatibility you need to build right.