The NZXT H510 Flow wins in 3 out of 8 comparable specs. Its biggest advantage is 3.5" Bays (200% better).
H6 Flow wins in 2 specs (Max Radiator: 29% better).
Recommendation
Choose H510 Flow if you want the best overall performance — especially 3.5" bays.
Choose H6 Flow if max radiator matters more to you.
| Spec | NZXTH510 Flow | NZXTH6 Flow |
|---|---|---|
| Design | ||
| Type | ATX Mid Tower | ATX Mid Tower |
| Side Panel | Tempered Glass | Tempered Glass |
| Weight | 6.8 | 7.2 |
| Compatibility | ||
| Max GPU Length | 360 mm | 365 mm+1% |
| Max Cooler Height | 165 mm+1% | 163 mm |
| Max PSU Length | 200 mm+11% | 180 mm |
| Max Radiator |
| 280 mm |
| 360 mm+29% |
| Motherboard Support | ATX, Micro ATX, Mini ITX | ATX, Micro ATX, Mini ITX |
| Cooling | ||
| Included Fans | 2 | 2 |
| Storage | ||
| 2.5" Bays | 2 | 2 |
| 3.5" Bays | 3+200% | 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 | $85 | $85 |
| Release Date | Jun 2021 | Mar 2024 |
