A stack of Dell OptiPlex small-form-factor desktops wired as a k3s cluster A stack of Dell OptiPlex small-form-factor desktops wired as a k3s cluster

Build a 3-node K3s cluster from $150 surplus Dell OptiPlex desktops

TL;DR My production homelab runs on Lenovo M920q tinies, and I still think those are the sweet spot. But if I were starting over today with a tight budget, I’d buy a stack of government-surplus Dell OptiPlex 7060 and 7070 desktops instead. They go for around $150 each refurbished — 6-core 8th/9th-gen Intel, an SSD, and Windows 11 already on them — and they make excellent Kubernetes nodes with exactly two cheap upgrades: a bit more RAM and a second network card. ...

June 14, 2026 · 8 min · zolty
A closed business laptop running headless as a homelab server node A closed business laptop running headless as a homelab server node

The cheapest homelab node has a built-in UPS: a used business laptop

TL;DR Everyone reaches for a mini PC or a Pi for a homelab node. The thing nobody tells you: a used business laptop is a server with a built-in UPS, screen, and keyboard bolted on for free. A Dell Latitude 7400 — 8th-gen Core i5, 16 GB RAM, NVMe SSD — runs about $150 used, draws ~10 W with the lid shut, and when the power flickers it doesn’t even notice, because it’s running off its own battery. I run a couple as edge nodes. Here’s the case for it and the five-minute headless setup. ...

April 25, 2026 · 4 min · zolty

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