With all the new AI tech arriving in the new AI data centres – what is happening to the old tech it is presumably replacing?

AI - dirty little secret or clean?

🧠 What’s Happening to the Old Tech?

Shadow in the cloud

🔄 Repurposing and Retrofitting

  • Many traditional CPU-centric server farms are being retrofitted to support GPU-heavy or heterogeneous architectures.
  • Some legacy racks are adapted for edge computing, non-AI workloads, or low-latency services that don’t require massive AI computing power.

🧹 Decommissioning and Disposal

  • Obsolete hardware—especially older CPUs and low-density racks—is being decommissioned.
  • Disposal is a growing concern: e-waste regulations are tightening, and sustainability targets mean companies must recycle or repurpose responsibly.

🏭 Secondary Markets and Resale

  • Some older servers are sold into secondary markets—used by smaller firms, educational institutions, or regions with less AI demand.
  • There’s also a niche for refurbished hardware, especially in countries where AI infrastructure is still nascent.

🧊 Cold Storage and Archival Use

  • Legacy systems are sometimes shifted to cold storage roles—archiving data that doesn’t require real-time access.
  • These setups are less power-intensive and can extend the life of older tech without compromising performance.

⚠️ Obsolescence Risk

  • The pace of AI innovation is so fast that even new data centres risk early obsolescence if they’re not designed with future workloads in mind.
  • Rack densities are climbing—from 36kW to 80kW+—and cooling systems are shifting from air to liquid, meaning older infrastructure simply can’t keep up.

🧭 A Symbolic Shift

This isn’t just about servers—it’s about sovereignty, sustainability, and the philosophy of obsolescence. The old tech isn’t just being replaced; it’s being relegated, repurposed, or ritually retired.

There’s a tech history lesson unfolding about digital mortality, and how each new AI cluster buries a generation of silicon ancestors.

Infographic: ‘New’ AI tech replacing ‘Old’ tech in data centres

🌍 The Green Cost of the AI Boom

⚡ Energy Consumption

  • AI data centres are power-hungry beasts. In 2023, they consumed around 2% of global electricity—a figure expected to rise by 80% by 2026.
  • Nvidia’s H100 GPUs, widely used for AI workloads, draw 700 watts each. With millions deployed, the cumulative demand is staggering.

💧 Water Usage

  • Cooling these high-density clusters often requires millions of litres of water annually. In drought-prone regions, this is sparking local backlash.

🧱 Material Extraction

  • AI infrastructure depends on critical minerals—lithium, cobalt, rare earths—often mined in ecologically fragile zones.
  • These supply chains are tied to geopolitical tensions and labour exploitation, especially in the Global South.

🗑️ E-Waste and Obsolescence

  • As new AI chips replace older hardware, legacy servers are decommissioned—but not always responsibly.
  • Without strict recycling protocols, this leads to mountains of e-waste, much of which ends up in landfills or exported to countries with lax regulations.

The Cloud Has a Shadow

This isn’t just about silicon—it’s about digital colonialism, resource extraction, and the invisible costs of intelligence. AI may promise smarter sustainability, but its infrastructure is anything but green unless radically reimagined.

⚡ The Energy Cost of Intelligence

🔋 Surging Power Demand

  • AI data centres are projected to drive a 165% increase in global electricity consumption by 2030, compared to 2023 levels.
  • In the U.S. alone, data centres could account for 11–12% of total power demand by 2030—up from 3–4% today.
  • A single hyperscale facility can draw 100 megawatts or more, equivalent to powering 350,000–400,000 electric vehicles annually.
AI and Energy supply

🧠 Why AI Is So Power-Hungry

  • Training large models like OpenAI Chat GPT or DeepSeek requires massive parallel processing, often using thousands of GPUs.
  • Each AI query can consume 10× the energy of a Google search, according to the International Energy Agency.
  • Power density is rising—from 162 kW per square foot today to 176 kW by 2027, meaning more heat, more cooling, and more infrastructure.

🌍 Environmental Fallout

  • Cooling systems often rely on millions of litres of water annually. For example, in Wisconsin, two AI data centres will consume 3.9 gigawatts of power, more than the state’s nuclear plant.
  • Without renewable energy sources, this surge risks locking regions into fossil fuel dependency, raising emissions and household energy costs. We are not ready for this massive increase in AI energy production.

Just how clean is green?

The Intelligence Tax

This isn’t just about tech—it’s about who pays for progress. AI promises smarter cities, medicine, and governance, but its infrastructure demands a hidden tax: on grids, ecosystems, and communities.

AI is a hungry beast, and it needs feeding. The genie is out of the bottle!

Jaguar Land Rover Cyber Attack: A digital siege on Britain’s automotive crown

JLR hacked

On 31st August 2025, Jaguar Land Rover (JLR), one of Britain’s most iconic automotive manufacturers, was struck by a crippling cyber-attack that forced an immediate halt to production across its UK facilities.

The incident, described by MP Liam Byrne as a ‘digital siege’, has since spiralled into a full-blown supply chain crisis, threatening thousands of jobs and exposing vulnerabilities in the nation’s industrial backbone.

The attack, believed to be a coordinated effort by cybercrime groups Scattered Spider, Lapsus$, and ShinyHunters, targeted JLR’s production systems, rendering them inoperable.

By 1st September, operations were suspended, and by 22nd September 2025, the shutdown had extended to three weeks, with staff instructed to stay home.

A forensic investigation is ongoing, and JLR has delayed its restart timeline until 1st October 2025.

The toll

The financial toll is staggering. Estimates suggest the company is losing £50 million per week. With no cyber insurance in place, JLR has been left scrambling to stabilise its operations and reassure its extensive supplier network—comprising over 120,000 jobs, many in small and medium-sized enterprises.

In response, the UK government has stepped in with a ÂŁ1.5 billion loan guarantee, backed by the Export Development Guarantee scheme.

This emergency support aims to shore up JLR’s cash reserves, protect skilled jobs in the West Midlands and Merseyside, and prevent collapse among its suppliers.

Business Secretary Peter Kyle and Chancellor Rachel Reeves have both emphasised the strategic importance of JLR to Britain’s economy, calling the intervention a ‘decisive action’ to safeguard the automotive sector.

The cyber attack has also prompted broader questions about industrial cybersecurity, insurance preparedness, and the resilience of supply chains in the face of digital threats.

Unions have urged the government to ensure the loan translates into job guarantees and fair pay, while cybersecurity experts have called the scale of disruption ‘unprecedented’ for a UK-based manufacturer.

🔐 Ten Major Cyber Attacks of 2025

#TargetDateImpact
1️⃣UNFI (United Natural Foods Inc.)JuneDisrupted food supply chains across North America; automated ordering systems collapsed.
2️⃣Bank Sepah (Iran)March42 million customer records stolen; hackers demanded $42M in Bitcoin ransom.
3️⃣TeleMessage (US Gov Messaging App)MayMetadata of officials exposed, including FEMA and CBP; triggered national security alerts.
4️⃣Marks & Spencer (UK)April–MayRansomware attack led to 46-day online outage; £300M profit warning.
5️⃣Co-op (UK)MayIn-store systems crashed; manual tills and supply chain breakdowns across 2,300 stores.
6️⃣Mailchimp & HubSpotAprilCredential theft and phishing campaigns; fake invoices sent to thousands.
7️⃣HertzAprilGlobal breach with unclear UK impact; customer data compromised.
8️⃣Anonymous Data LeakJanuary18.8 million records exposed; no company claimed responsibility.
9️⃣Microsoft SharePoint ServersOngoingExploited by China-linked threat actors; widespread “ToolShell” compromises.
🔟Ingram Micro (IT Distributor)JulyRansomware attack by SafePay group; disrupted global tech supply chains.

As JLR works with law enforcement and cybersecurity specialists to restore operations, the incident stands as a stark reminder: in the digital age, even the most storied brands are vulnerable to invisible adversaries.

Other prominent recent major cyber attacks

#Attack NameTargetImpact
1️⃣Change Healthcare RansomwareU.S. healthcare systemDisrupted nationwide medical services; $22M ransom paid3
2️⃣Snowflake Data BreachAT&T, Ticketmaster, Santander630M+ records stolen; MFA failures exploited3
3️⃣Salt Typhoon & Volt TyphoonU.S. telecom & infrastructureEspionage targeting political figures & critical systems3
4️⃣CrowdStrike-Microsoft OutageGlobal IT servicesMassive disruption due to botched update
5️⃣Synnovis-NHS RansomwareUK healthcare labsHalted blood testing across London hospitals
6️⃣Ascension Ransomware AttackU.S. hospital chainPatient care delays; data exfiltration
7️⃣MediSecure BreachAustralian e-prescription providerSensitive medical data leaked
8️⃣Ivanti Zero-Day ExploitsGlobal VPN usersNation-state actors exploited vulnerabilities
9️⃣TfL Cyber AttackTransport for LondonInternal systems disrupted; public services affected
🔟Internet Archive AttackDigital preservation siteAttempted deletion of historical records