Mini PC bought from AliExpress - currently hosting Kubernetes arduus cluster.

From factory:

SpecDetail
NameBeelink EQ13
ProcessorIntel Alder Lake-N200
RAM16GB DDR4
Storage500GB NVMe SSD
LANDual 2.5G Ethernet ports
WirelessWiFi 6, Bluetooth 5.2
Price (at time of check)€301.96
Form FactorMini PC / Desktop
LinkAliExpress Listing

I upgraded each to 32GB of RAM: https://www.amazon.co.uk/Crucial-CT32G48C40S5-4800MHz-Laptop-Memory/dp/B09RVNMGFH

And 2TB storage: https://www.amazon.co.uk/gp/aw/d/B0BYW8FLKN/ref=ya_aw_od_pi?ie=UTF8&psc=1

Specs now:

SpecDetail
NameBeelink EQ13 Mini PC (×3)
ProcessorIntel Alder Lake‑N200
RAM32 GB DDR5‑4800 MHz (Crucial CT32G48C40S5)
Storage2 TB NVMe SSD (per node, upgraded)
LANDual 2.5 GbE Ethernet
WirelessWi‑Fi 6, Bluetooth 5.2
Cluster OSNixOS + K3s on Kubernetes
Storage DetailsCrucial P3 Plus PCIe Gen 4 NVMe 2 TB, up to ~5000 MB/s