The Corsair 4000D RS Frame wins in 5 out of 8 comparable specs. Its biggest advantage is 3.5" Bays (100% better).
H6 Flow wins in 1 spec (MSRP: 23% better).
Recommendation
Choose 4000D RS Frame if you want the best overall performance — especially 3.5" bays.
Choose H6 Flow if msrp matters more to you.
| Spec | Corsair4000D RS Frame | NZXTH6 Flow |
|---|---|---|
| Design | ||
| Type | ATX Mid Tower | ATX Mid Tower |
| Side Panel | Tempered Glass | Tempered Glass |
| Weight | 8 | 7.2 |
| Compatibility | ||
| Max GPU Length | 370 mm+1% | 365 mm |
| Max Cooler Height | 170 mm+4% | 163 mm |
| Max PSU Length | 200 mm+11% | 180 mm |
| Max Radiator | 360 mm | 360 mm |
| Motherboard Support | ATX, Micro ATX, Mini ITX | ATX, Micro ATX, Mini ITX |
| Cooling | ||
| Included Fans | 3+50% | 2 |
| Storage | ||
| 2.5" Bays | 2 | 2 |
| 3.5" Bays | 2+100% | 1 |
| I/O | ||
| Front I/O | 1x USB-C, 1x USB-A 3.0, Audio | 1x USB-C, 1x USB-A 3.0, Audio |
| Price | ||
| MSRP | $110 | $85−23% |
| Release Date | Jan 2025 | Mar 2024 |
