The verdict

CPU
Minisforum UM560 XT has 3.1x the CPU throughput (16,389 vs 5,307 PassMark).
Plex
Ugreen NASync DXP2800 transcodes more 4K HDR streams (~5 vs ~3).
Idle power
Minisforum UM560 XT idles lower (9W vs 10W) - cheaper to run 24/7.
RAM ceiling
Minisforum UM560 XT takes more RAM (64GB vs 16GB).

Which wins for each job

Job Minisforum UM560 XT Ugreen NASync DXP2800
Plex / Jellyfin ~3 streams ~5 streams win
Frigate NVR add a detector ~4 cameras win
Proxmox / VMs 16,389 PassMark win 5,307 PassMark
Firewall / router 1 NICs 1 NICs
Local AI / LLM no slot no slot

Approximate - capacity estimates from curated specs, the same logic as the recommender. Verify against your exact setup. Prices move; check the retailer.

Full specs

Spec Minisforum UM560 XT Ugreen NASync DXP2800
Price (list) $289 $299
CPU AMD Ryzen 5 5600H Intel Processor N100
Cores / threads 6 4
PassMark 16,389 5,307
iGPU Radeon Vega 7 Intel UHD (24 EU)
NICs 1 1
NIC model Realtek 2.5GbE Intel I226-V
RAM max (GB) 64 16
M.2 free 0 2
PCIe slot none none
Idle (W) 9 10
TDP (W) 45 6