Liquid vs immersion cooling and RoCE explained: an AI data-centre glossary
AI infrastructure has imported a vocabulary that did not exist in mainstream server rooms a few years ago. Vendors now talk about direct liquid cooling, immersion, PUE, RoCE, RDMA and lossless Ethernet as if everyone alr…
Nested RAID explained: RAID 10, 50 and 60
Nested RAID stripes data across several smaller arrays to combine their strengths — RAID 10, 50 and 60 are the common ones. Size each in the RAID calculator.…
HPE ProLiant DL580 buyer's guide: mission-critical four-socket scale-up (UK 2026)
Some workloads cannot be allowed to fail, and cannot be spread across a cluster either. For those, the answer is one very large, very resilient server. The ProLiant DL580 is the top of HPE's four-socket line: a 4U missio…
SOC 2 Type II readiness for UK SaaS vendors
SOC 2 Type II is an American certification (AICPA, designed for US-headquartered service organisations) — but UK SaaS vendors selling to US customers, particularly enterprise, increasingly need it. This is the practical …
Enabling Secure Boot and TPM on enterprise servers: a practical setup (UK 2026)
Secure Boot and a TPM are the cheapest hardening you will ever do - the silicon is already in the server, the licence is free, and the protection covers the one attack surface most defences ignore: the boot path before t…
What is a hot spare in RAID? (2026 guide)
A hot spare is a standby drive that automatically takes over when a member fails, so the rebuild starts immediately instead of waiting for a human. Size arrays with spares in the RAID calculator.…
Veeam vs Rubrik vs Commvault in 2025 — which backup platform should UK IT teams pick?
Veeam, Rubrik and Commvault are the three platforms UK IT leaders most often shortlist when modernising backup. They overlap heavily on paper. In practice they make sharply different trade-offs — and most of the regret w…
How to pick a UK colocation data centre: the procurement framework
UK colocation is a mature market — Equinix, Digital Realty, Telehouse, Pulsant, ARK, IONOS, Custodian and 20+ regional operators. The right choice depends on connectivity needs, power density, geographic resilience, and …
AMD EPYC Turin (9005 series) for UK buyers: wait or refresh from Genoa?
AMD's EPYC 9005 series, codenamed Turin, lands on the same SP5 socket as the Genoa 9004 parts before it - and that one fact reframes the whole buying decision. When a new generation drops into your existing platform, the…
Multi-node twin servers explained: shared-infrastructure density done right (UK 2026)
When you need many servers in as few rack units as possible, discrete boxes start to waste space, power and money on duplicated infrastructure. Multi-node twin servers answer that by packing several independent server no…
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