CPU: 13^Th Gen Intel Core i5 1335U/ i7 1355U;

          12^Th Gen Intel Core i5 1235U/ i7 1255U;

• Performance: Overall, this Fanless mini PC should provide strong performance for everyday computing tasks, media consumption, and some light to moderate productivity work.

• Transfer Speeds: The PCIe 4.0 NVMe SSD will offer very fast data transfer speeds, reducing loading times for applications and large files. The PCIe 3.0 slot also provides good performance, though not as fast as PCIe 4.0.

• Operating Temperature: Given that it's a fanless design, thermal management relies heavily on passive cooling. The low TDP of the U-series CPUs helps keep temperatures manageable. However, under sustained heavy load, temperatures might rise, potentially leading to thermal throttling to maintain safe operating conditions.

• TDP (Thermal Design Power): The 15W TDP of the U-series CPUs is suitable for fanless designs, balancing power consumption and heat generation.

In conclusion, this Fanless mini PC is designed to offer solid performance with efficient thermal management, thanks to its low TDP components and passive cooling strategy. It should handle everyday tasks and some more demanding applications well, though it may not be suitable for very high-performance needs or sustained heavy workloads without active cooling.

Feedback from Clients for reference.