NVIDIA H200 vs H100 vs B100 vs B200: UK AI GPU buyer's guide 2026
NVIDIA H100, H200, B100, B200, and GB200 NVL72 are the GPUs UK enterprise AI buyers shortlist in 2026. H100 + H200 (Hopper architecture) are mainstream + available; B100 / B200 (Blackwell) are the lat…
CCTV and VMS surveillance storage: sizing servers for continuous-write video retention (UK 2026)
Surveillance storage breaks the rules other storage lives by. A video management system never stops writing: every camera streams continuously, all day, every day, and the server has to absorb that re…
What is ZFS RAIDZ? A beginner's guide (2026)
RAIDZ is ZFS's software parity — like RAID 5/6 but with checksums, self-healing and no write hole. Here's what makes it different, then size a pool in the ZFS calculator.…
Microsoft 365 tenant-to-tenant migration: UK M&A field guide
M&A activity, divestitures, brand consolidations and tenant rationalisation all drive Microsoft 365 tenant-to-tenant migrations. They look simple on a slide. They're not. This is the field guide for U…
HPE ProLiant Gen11 to Gen12: what actually changed and whether to upgrade (UK 2026)
A new server generation always promises more, but the question that matters to a buyer is narrower: what actually changed, and is it worth moving for your workload? The jump from HPE ProLiant Gen11 to…
HPE Apollo 4200 storage server: a UK engineering view of a dense SDS host
The HPE Apollo 4200 is one of those servers that does exactly one job extremely well: hold an enormous number of disks in a single, conventional-depth chassis and present them to a software-defined st…
UK GDPR for IT teams: DPIA, DSAR, data residency
UK GDPR (the post-Brexit version of EU GDPR) has been law since January 2021. The ICO's enforcement appetite increased significantly in 2024-25 — multiple seven-figure fines and increased focus on tec…
VMware after Broadcom: UK migration paths to AHV, Hyper-V and Proxmox
Broadcom's acquisition of VMware (November 2023) drove a sharp wave of UK enterprise re-evaluations. New subscription pricing, perpetual licence withdrawal, mandatory VMware Cloud Foundation bundling …
Raritan vs Vertiv KVM-over-IP UK 2026: data centre console buyer's guide
Raritan and Vertiv (Avocent) are the two dominant KVM-over-IP brands in UK enterprise data centres. Both ship 1080p + 4K platforms, both have FIPS 140-2 secure variants, both have mature centralised m…
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 Etherne…
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