A hands-on first look at the Raspberry Pi 5 from the perspective of a developer who uses Pis as headless servers, CI build agents, and Kubernetes nodes. The RPi 5 shows 2-3x performance gains in Geekbench and real-world tests like Linux kernel builds (10+ minutes on RPi 4 down to under 4 minutes). Key hardware improvements include a new RP1 I/O chip that decouples USB, network, and disk bandwidth, plus a native PCIe lane for NVMe storage. Practical advice covers power requirements (27W USB-C PSU needed), cooling options, and cluster-building considerations — including a recommendation to wait for a PCIe breakout board before building an RPi 5 Kubernetes cluster. Cost for an 8GB model with case and PSU is around 100 GBP.
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