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Dual PC Case Overheats? Not So Fast!
25 Oct
Summary
- Thermaltake's CAPO X houses two computers, testing cooling performance.
- Both systems remained stable, though the upper unit ran warmer.
- Heat from one system impacted the other, requiring airflow adjustments.

Thermaltake's CAPO X offers a novel solution for housing two complete computer systems within one enclosure. A recent review subjected this innovative full tower case to rigorous stress testing, evaluating the thermal performance of two distinct configurations. Both setups demonstrated remarkable stability under simultaneous demanding workloads.
While the dual-system approach did not lead to critical overheating, thermal analysis revealed nuanced interactions. The upper AMD Ryzen system consistently operated about 5°C warmer than when tested independently, a difference attributed to heat radiating from the lower Intel system. This finding underscores the importance of meticulous airflow configuration and fan management to ensure optimal performance for both compartments.
Assembly of the CAPO X requires more effort than a standard PC build due to the installation of two motherboards, power supplies, and storage devices. However, the case provides ample space for cable management. Builders must consider the combined thermal dynamics rather than treating each system in isolation. Acknowledging the potential for increased temperatures, particularly in the upper compartment, proactive adjustments to fan speeds and placement are recommended for sustained, high-performance operation.