The Phanteks Eclipse P500A wins in 6 out of 8 comparable specs. Its biggest advantage is Included Fans (100% better).
O11 Dynamic EVO wins in 2 specs (2.5" Bays: 100% better).
Recommendation
Choose Eclipse P500A if you want the best overall performance — especially included fans.
Choose O11 Dynamic EVO if 2.5" bays matters more to you.
| Spec | Lian LiO11 Dynamic EVO | PhanteksEclipse P500A |
|---|---|---|
| Design | ||
| Type | ATX Mid Tower | ATX Mid Tower |
| Side Panel | Tempered Glass | Tempered Glass |
| Weight | 12 | 10.3 |
| Compatibility | ||
| Max GPU Length | 423 mm | 435 mm+3% |
| Max Cooler Height | 167 mm | 190 mm+14% |
| Max PSU Length | 210 mm | 220 mm+5% |
| Max Radiator | 360 mm | 420 mm+17% |
| Motherboard Support | ATX, EATX, Micro ATX, Mini ITX | ATX, EATX, Micro ATX, Mini ITX |
| Cooling | ||
| Included Fans | 0 | 3+100% |
| Storage | ||
| 2.5" Bays | 6+100% | 3 |
| 3.5" Bays | 4+100% | 2 |
| I/O | ||
| Front I/O | 1x USB-C, 2x USB-A 3.0, Audio | 1x USB-C, 2x USB-A 3.0, Audio |
| Price | ||
| MSRP | $170 | $130−24% |
| Release Date | Feb 2022 | Jul 2020 |
