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Insights · AI Infrastructure

AI Infrastructure

19 articles in this category

AI Infrastructure

Inference Server Hardware 2026: Buy For Agents, Not Training

UK IT leaders are still buying training-grade GPU clusters for a workload that has already moved on. The UK government's own compute annex puts total

· 8 min read
AI Infrastructure

When to Switch to Liquid Cooling: The 2026 UK Threshold

Air and liquid don't compete on efficiency — they compete on physics. Liquids move heat between 50 and 1,000 times more efficiently than air, and CIBS

· 6 min read
AI Infrastructure

Do You Really Need a 130kW AI Rack? (2026 Guide)

A single NVIDIA GB200 NVL72 rack draws 120-140 kilowatts and costs roughly $2-3 million in hardware alone — built to deliver 1.4 exaflops for trillion

· 8 min read
AI Infrastructure

Blackwell vs Rubin: The UK 2026 AI Server Buy Decision

NVIDIA's Rubin R100 entered full production at CES 2026 and is rated at 50 PFLOPS of FP4 inference per GPU against the Blackwell B200's 18 PFLOPS — a

· 7 min read
AI Infrastructure

AI Workload Repatriation 2026: A UK Buyer's Cost Case

Everyone claims to be 'repatriating AI from the cloud' in 2026, but the honest answer is: it depends on utilisation and data sensitivity, not ideology

· 6 min read
AI Infrastructure

AI Server Prices 2026: The HBM Crunch Hitting UK Buyers

Every AI server quote landing on a UK desk in mid-2026 seems to have grown since the last one. The reason sits inside the GPU itself: HBM memory now m

· 8 min read
AI Infrastructure · GPU Sizing

How much VRAM does a large language model need? (2026)

The first question when self-hosting a large language model is deceptively simple: will it fit? The answer is a sum of three parts - the model weights

· 8 min read
AI Infrastructure · Cost & ROI

Self-hosting LLMs vs cloud GPUs: the break-even (UK, 2026)

Renting GPUs by the hour is the obvious way to start with AI, and often the right one. But once a workload runs steadily, the meter never stops - and

· 8 min read
AI Infrastructure · Facilities

Hosting a Blackwell AI rack: power, cooling & colo vs on-prem

Buying the GPUs is the easy part. The harder question — the one that stalls more AI projects than budget does — is where you physically put the rack.

· 8 min read
AI Infrastructure · Procurement

Refurbished H100 & H200: is the 2026 secondary market worth it?

As Blackwell ships, the previous flagship GPUs are flowing onto the secondary market — and for a lot of real workloads, a refurbished H100 or H200 is

· 7 min read
End-User Computing · AI

Copilot+ PCs in 2026: buy for the workload, not the badge

Every business laptop now ships with an 'AI PC' or 'Copilot+' sticker and a neural processing unit (NPU). The pitch is that on-device AI is the reason

· 6 min read
Technical · AI Infrastructure · How-To

Building your first UK on-prem AI cluster: step-by-step

Cloud AI training is convenient but at sustained scale (multi-week training runs, hundreds of GPUs), on-prem becomes meaningfully cheaper. UK enterpri

· 11 min read
Technical · AI Infrastructure · Cooling

AI server cooling 2026: air vs liquid vs immersion

NVIDIA H100 SXM was the last GPU generation comfortably air-cooled at rack density. H200, B100, B200, and GB200 NVL72 push thermal density beyond what

· 9 min read
Server Infrastructure · AI Hardware

Dell PowerEdge XE9680, XE8640 and XE7745: choosing a Dell AI / GPU server in 2026 (UK)

Dell's PowerEdge XE line is its purpose-built AI and GPU range, and choosing within it is really a question about your workload, not your budget. An e

· 12 min read
Compliance · AI Governance · UK

The EU AI Act: UK impact analysis for IT teams

The EU AI Act entered force August 2024 with phased application through 2027. UK organisations deploying AI in EU markets, AI vendors serving EU custo

· 9 min read
Networking · AI Fabric · Buyer's Guide

Arista vs Cisco vs Juniper for 800G AI fabric (2026): UK data centre networking buyer's guide

AI training clusters and large-language-model inference workloads have pushed data centre networking into 800G as the new default. Arista 7060X6, Cisc

· 11 min read
AI Infrastructure · Trends

Ultra Ethernet vs UALink vs InfiniBand: the AI interconnect standards to watch

When you build an AI cluster, the network between the GPUs matters almost as much as the GPUs themselves - a fast accelerator starved of interconnect

· 13 min read
AI Infrastructure · Explainer

Liquid vs immersion cooling and RoCE: decoding AI data-centre terms (UK)

Two clusters of jargon dominate any AI data-centre conversation: how the heat gets out, and how the network stays lossless. Air, direct liquid and imm

· 10 min read
AI Infrastructure · GPU · Buyer's Guide

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 mainstrea

· 10 min read

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