McGarrah Technical Blog

Posts tagged with "dell-optiplex"

Power Supply upgrade for GPUs in the Homelab

Evaluating a 750W Dell OptiPlex PSU upgrade to support a discrete GPU in an aging Proxmox homelab node, with a breakdown of PCIe and connector power limits.

Proxmox VE 8.1 to 8.2 upgrade issues in the Homelabs

An extended power outage plus a remote kernel upgrade left half the cluster unbootable, video outputs dead, and Ceph unstable — a crash cart recovery story with four overlapping root causes.