The be quiet! Silent Base 802 wins in 7 out of 8 comparable specs. Its biggest advantage is Max Cooler Height (236% better).
A4-H2O wins in 1 spec (MSRP: 24% better).
Recommendation
Choose Silent Base 802 if you want the best overall performance — especially max cooler height.
Choose A4-H2O if msrp matters more to you.
| Spec | be quiet!Silent Base 802 | Lian LiA4-H2O |
|---|---|---|
| Design | ||
| Type | ATX Mid Tower | Mini ITX |
| Side Panel | Tempered Glass | Tempered Glass |
| Weight | 12.3 | 3.5 |
| Compatibility | ||
| Max GPU Length | 432 mm+34% | 322 mm |
| Max Cooler Height | 185 mm+236% | 55 mm |
| Max PSU Length | 220 mm+69% | 130 mm |
| Max Radiator | 360 mm+50% | 240 mm |
| Motherboard Support | ATX, EATX, Micro ATX, Mini ITX | Mini ITX |
| Cooling | ||
| Included Fans | 3+100% | 0 |
| Storage | ||
| 2.5" Bays | 7+133% | 3 |
| 3.5" Bays | 3+100% | 0 |
| I/O | ||
| Front I/O | 1x USB-C, 2x USB-A 3.0, Audio | 1x USB-C, 1x USB-A 3.0 |
| Price | ||
| MSRP | $170 | $130−24% |
| Release Date | Nov 2020 | Jan 2022 |
