News, advice, and insights on the world of data centers
When you shop for a fridge or look around a flat, the energy label is often the first thing you check. One letter, one color, and within two seconds you know whether the bills are going to hurt.
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Asking "how much does a datacenter rack cost?" is a bit like asking "how much does a car cost?". The honest answer is: it depends. From a second-hand compact to a brand-new German sedan, there's a factor of ten. It's the same with a rack.
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Land without power is no longer an asset: it's a liability. For data centers, available power has become the first selection criterion for a site, ahead of location or price per square meter.
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For a long time, hosting your infrastructure in France meant choosing between two options: Paris or Marseille. They concentrate connectivity, carriers, and power — but also distance from the rest of the country. UltraEdge reshuffles the deck by turning SFR's former data center estate into a proximity network meshed across the entire territory. Datalok is delighted to welcome this operator to its marketplace and to introduce its 7 X Edge data centers, the true engines of regional connectivity.
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Paris, May 6, 2026 – Faced with the historic electrical power shortage hitting European and global datacenters, Datalok opens a single entry point to secure MegaWatts. Datalok, the French operator of the first datacenter colocation marketplace, announces the launch of Book Your MegaWatt (BYMW), an unprecedented B2B platform that aggregates available electrical capacity from datacenter operators around the world. Accessible today at bymw.eu, BYMW allows companies to describe their power requirements and receive a tailored proposal within 48 hours.
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Looking for data center space is often a frustrating experience. Dozens of calls, quotes that take forever, scattered information, and ultimately very little visibility into what is actually available. At Datalok, we believe it can — and should — be simpler.
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Datalok welcomes Alpilink Services Cloud to its colocation datacenter marketplace. Located in Seyssinet-Pariset, in the heart of the Grenoble basin, this datacenter offers a sovereign, certified, and connected infrastructure another key reference for organisations seeking hosting capacity in the Auvergne-Rhône-Alpes region.
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Your data center may have the thickest walls on the market, the most precise cameras, and biometric access control worthy of a spy movie. If the system controlling the air conditioning runs on a default password, all of that hardware is worth very little.
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Imagine being able to order your data center just like you would order a shipping container. Ninety days later, a complete infrastructure arrives at your doorstep, ready to plug in. No construction work, no endless building permits, no unpleasant surprises regarding deadlines. Welcome to the world of containerized data centers. This solution, long reserved for web giants such as Google, is now available to businesses of all sizes. But what does this model really involve? And, more importantly, is it right for you?
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Imagine living in a building where all residents have to walk down the main street to visit their neighbors on the same floor. Absurd? Yet this is what many companies do with their data: they send it over the public internet to reach a partner hosted in the same room. A cross connect is simply the door between apartments, a direct, private, and ultra-fast connection between two pieces of equipment within a data center.
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The physical security of a data center is not just a line in an SLA that no one reads, nor is it a box to check off in your disaster recovery plan. It is your legal responsibility, your GDPR compliance, and potentially your reputation at stake. Yet few CIOs have actually visited the site where their critical data resides, or know exactly who has access to it.
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Comparing colocation offers is a bit like choosing an apartment remotely: on paper, everything seems perfect… until you discover the highway view and hidden fees. In the datacenter world, it's the same. Many companies stop at the numbers or commercial promises and miss the real criteria that make the difference in the long run. Here are the 5 most common mistakes we see on Datalok, and more importantly, how to avoid them to choose an offer that truly fits your needs.
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For a long time, the environmental performance of data centers was assessed using a single indicator: PUE. But at a time when pressure on natural resources is intensifying, focusing solely on PUE is a mistake.
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