The Lian Li O11 Dynamic EVO wins in 6 out of 8 comparable specs. Its biggest advantage is Max Cooler Height (204% better).
A4-H2O wins in 1 spec (MSRP: 24% better).
Recommendation
Choose O11 Dynamic EVO if you want the best overall performance — especially max cooler height.
Choose A4-H2O if msrp matters more to you.
| Spec | Lian LiA4-H2O | Lian LiO11 Dynamic EVO |
|---|---|---|
| Design | ||
| Type | Mini ITX | ATX Mid Tower |
| Side Panel | Tempered Glass | Tempered Glass |
| Weight | 3.5 | 12 |
| Compatibility | ||
| Max GPU Length | 322 mm | 423 mm+31% |
| Max Cooler Height | 55 mm | 167 mm+204% |
| Max PSU Length | 130 mm | 210 mm+62% |
| Max Radiator |
| 240 mm |
| 360 mm+50% |
| Motherboard Support | Mini ITX | ATX, EATX, Micro ATX, Mini ITX |
| Cooling | ||
| Included Fans | 0 | 0 |
| Storage | ||
| 2.5" Bays | 3 | 6+100% |
| 3.5" Bays | 0 | 4+100% |
| I/O | ||
| Front I/O | 1x USB-C, 1x USB-A 3.0 | 1x USB-C, 2x USB-A 3.0, Audio |
| Price | ||
| MSRP | $130−24% | $170 |
| Release Date | Jan 2022 | Feb 2022 |