The most powerful mini PC from the list — based on raw CPU performance, memory bandwidth, and connectivity for server-grade workloads — is:

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GMKtec K8 Plus – Ryzen 7 8845HS

Why It’s the Most Powerful:

Feature	Detail
CPU	AMD Ryzen 7 8845HS (8 cores / 16 threads, up to 5.1GHz)
Architecture	Zen 4 + RDNA 3 (Phoenix), 4nm — latest generation
RAM	32GB DDR5 (faster bandwidth than DDR4)
Storage	1TB PCIe 4.0 NVMe SSD
Networking	Dual 2.5GbE LAN (ideal for virtualised environments)
Graphics	Radeon 780M integrated (not needed for Sage but excellent)
Thermals	Efficient cooling with vapor chamber design (varies by batch)

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Benchmarking Edge

•	Cinebench R23 multi-core: ~14,000+
•	Single-core: ~1,700+
•	Comparable to mobile i9 performance in a compact 65W envelope

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Best Use Cases

•	Running multiple VMs (e.g. Windows Server + backup service + dashboard)
•	Hosting Proxmox with ZFS and real-time monitoring
•	Virtual network bridging, e.g. Sage server + backup + file server
•	Deploying containers or dashboards alongside Sage

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✅ Summary

Category Top Performer

Raw performance GMKtec K8 Plus

Network power GMKtec K8 Plus

RAM bandwidth GMKtec K8 Plus (DDR5)

Future-proofing GMKtec K8 Plus

If you want maximum headroom, zero bottlenecks, and the ability to run Sage plus other systems comfortably, the GMKtec K8 Plus is your best choice.